---
product_id: 1951852
title: "2P3 AM Radio Receiver Kit - DIY for Enthusiasts, Built it into a Radio case !"
brand: "tecsun"
price: "₨28586"
currency: LKR
in_stock: true
reviews_count: 8
category: "Tecsun"
url: https://www.desertcart.lk/products/1951852-2p3-am-radio-receiver-kit-diy-for-enthusiasts-built-it
store_origin: LK
region: Sri Lanka
---

# Step-by-step detailed guide included Superior AM sensitivity >99% radios DIY kit for hands-on mastery 2P3 AM Radio Receiver Kit - DIY for Enthusiasts, Built it into a Radio case !

**Brand:** tecsun
**Price:** ₨28586
**Availability:** ✅ In Stock

## Summary

> 📻 Build it. Own it. Hear the difference.

## Quick Answers

- **What is this?** 2P3 AM Radio Receiver Kit - DIY for Enthusiasts, Built it into a Radio case ! by tecsun
- **How much does it cost?** ₨28586 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/1951852-2p3-am-radio-receiver-kit-diy-for-enthusiasts-built-it)

## Best For

- tecsun enthusiasts

## Why This Product

- Trusted tecsun brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect for Makers & Educators:** Ideal for hobbyists, educators, and clubs seeking a hands-on STEM project that sparks curiosity and skill.
- • **Build Your Own Vintage AM Radio:** Experience the thrill of assembling a high-performance AM receiver with authentic 1960s transistor tech.
- • **Portable Retro Design with Case:** Finished radio fits perfectly in a stylish case—carry your pride project anywhere and show it off.
- • **Comprehensive Learning Experience:** Detailed, full-color schematic poster and instructions make mastering radio electronics accessible and fun.
- • **Unmatched AM Reception Sensitivity:** Outperforms 99% of market radios, capturing distant stations with crystal-clear clarity.

## Overview

The Tecsun 2P3 AM Radio Receiver Kit is a premium DIY electronics project that lets enthusiasts build a highly sensitive AM radio from scratch. Featuring authentic transistor circuitry, a detailed step-by-step guide, and a custom radio case, it delivers superior reception and educational value. Perfect for hobbyists, educators, and anyone eager to combine nostalgia with hands-on learning.

## Description

In mid 1960s, due to a steadily available stock of domestic made transistors, there was a huge DIY wave of transistor radio in the world. The big issue for a DIY transistor radio is how to make it good, the Tecsun 2P3 radio kit was made to fulfill this demand.The 2P3 comes with transistors and IC hybrid kit, it lets both hobbyist and DIYers to build their own AM radio receiver with a detailed diagram and instructions.From this DIY, you learn many things that a book can not tell you, It tells you how the Resistors and IC works together to make a radio work, Fun to Do It.It is no like any other kits, this kit comes with a radio case that designed for the radio, so after it is assembled , you can use it as radio and put into your pocket.

Review: Fantastic Kit! - I technically should knock of one star because, as other reviewers have mentioned, the kit IS missing two 10K-ohm resistors; and also because the documentation shows an empty IF transformer shield can soldered to the circuit board (covering the detector diode and a couple of other small parts) and that shield can is missing. I'm sure the radio will work fine without the shield can, but you MUST replace the two missing resistors or it won't work. BUT . . . the rest of the kit in it's implementation, documentation, and design is so outstanding that I'm still giving it 5 stars. It's just that good, and we haven't seen anything this good in America since Heath-Kit lamentably went out of business. Other reviewer stated that he had to cut holes in the plastic case in order to get a good fit, that is just plain false. Folks, this is a kit, you have to expect to do some work here! It's not going to just snap together like some Lego blocks. Doing the work, taking your time and doing it right with some finesse, and winding up with a nice thing you can have some pride of accomplishment in, that's all part of the kit building experience. I found that if you position the volume control and headphone jack on the PCB and hold it there with a little piece of blue painter's masking tape (do one of them first, then the other) in their positions and DON'T solder yet, then place the PCB in the case and test for fit with the holes in the case . . . if the fit is not good, reposition the part and secure again with the tape. Once the fit is perfect, carefully remove the PCB without disturbing the position of the part being held by the tape, and then with the tape holding the part in it's perfect location, you solder it down to the PCB. That's what I mean by taking your time and doing the job with some finesse. Again to the reviewer who complained he had to file the little volume control daughter board after breaking it off the main PCB, it's to be expected, it's a kit, not a pile of Lego blocks. Another totally invalid complaint IMHO. The 4-color poster is fantastic, there are NO errors on it. The reviewer who complained about the electrolytic capacitor markings was just nit-picking, Thee negative side of the capacitors is marked plainly on both the pictorial chart AND on the PCB itself. I have been working as a professional in Avionics for over 38 years, and most ALL capacitors of that type I've seen have the NEGATIVE side marked. In the kit, the parts themselves, the pictorial, and the PCB all are plainly marked as to which side is the negative side, so no problem there at all IMHO. I have an extensive "junk box" full of electronic parts at home, so I had no problem replacing the two missing resistors. Still, no excuse for that, they need to fix that issue so that people don't have to go to Radio Shack and get something that is supposed to be included in the kit. I also had plenty of "junk" miniature IF transformers, so I gutted one of them and installed the can on the PCB over the detector components as shown by the outline on the PCB and in the documentation. Missing parts issue solved. I turned on the radio and it worked right away. Then I aligned it via the simple method in the documentation and it was working just fine, with the stations 560 and 1450 showing up on the station dial in their proper relative positions. Maybe the reviewer who complained about the stations not being in the right place was in too big of a hurry to read the documentation about the part that says it NEEDS to be aligned. Again, it's a kit radio, NOT a snap-together pile of Lego blocks. I then did what I consider to be a "proper" alignment using a voltmeter to monitor the AVC voltage at the points marked "TP1 and TP2" in the documentation, and using an RF signal generator set to 455khz to align the IF, and then set to 540KHz and 1650Khz to alternately align the inductor and trimmer capacitors to get the stations to appear almost perfectly with the tuning dial markings. I then had a remarkably sensitive and selective little receiver; that tells me they used good parts for the tuned circuits in the radio considering there are just a couple of transistors in there doing all the "work". It even received my talk radio station inside a metal aircraft hangar, better than any radio anyone else has in the shop (but still it wasn't as loud as it can get outside the building). I then noticed it I place my hand, or a small metal plate near the back of the radio inside the metal hangar, it picked up as good as it could outside. So an idea came to mind - I took the back of the radio off again, and I covered the whole inside surface of it with "1000 mile per hour tape" AKA aircraft battle damage tape, it's metal (aluminum) tape and you can get a roll of it at any of the big box home improvement stores, usually in the section that has the duct work for heating and air conditioning (or sometimes it's in the paint department with the masking tape). I carefully cut around all of the ventilation holes in the radio's back (even though it doesn't get hot and doesn't need ventilation) mostly because the sound from the speaker can get out through those slots and makes the radio's sound fuller. VOILA, not the radio pick up just as good in metal or rebar reinforced concrete structures as it does outside in open air. Then I went on a camping trip way out in the desert 155 miles as the crow flies from my home town's low-power talk radio station. The little radio picked up that station with plenty of volume and no static - unlike all 4 of the car radios of the folks who were at camp with me, none of the car radios (two stock ones and two after-market ones) could even pick it up. So I'm very impressed with the engineering, sensitivity and selectivity of this little radio. Overall, despite the missing parts, it was a pleasure to build and a pleasure to listen to. Oh, and the batteries last a long time I'm sure, because I've been listening to it almost everyday for 5-7 hours each day at work, plus on Saturdays in the house (talk radio junky here) for almost 2 months now, and there is no sign of the radio's volume being any lower than the first time I used it. A well deserved 5-Stars, and that's not even taking into account it's educational value to kids who are just learning radio electronics. But I sure wish Tecsun would hurry and get the missing parts issue solved for those kids big and small that don't have a huge collection of electronic parts laying about the house as I do.
Review: Ham guy says: Amazing kit, Amazingly detailed Poster-Instructions, great value. - The Tecsun 2P3 Radio Kit is Amazing. I have been scanning desertcart for months, looking for a follow-up to the Elenco AR Radio Kit for my 6YO daughter. Here I have finally found it. Let me start off by saying, I am officially a "radio guy". As a life-long semi-pro musician and an Amateur Radio Extra Class license holder, I have been building tube amps, antennas and radio circuits for well over 35 years. My tube radio collection numbers over 100 pieces. My workbench is full of the nicer Heathkit last-generation test gear, HP and Agilent equipment, and I have prototyped all sorts of SMD RF electronics in the OEM Automotive industry for over 24 years. I have an eye for quality and I'm known for fussiness on detail. OK, credentials established. This kit exceeded all expectations, starting with the documentation. The neatly and securely packed kit comes with a large-format poster. Heavy-gauge paper with a brilliant 4-color 2-sided print job, registered as well as any I have ever seen. The detail includes a large traditional schematic, but enhanced with actual pictures of each component so everything is really easy to identify. The draftsmanship is open and very good, making it easy to read. You can follow it well while reading the included theory of operation. Voltages at key points are given and the whole diagram is split into the traditional AM groupings - input/oscillator/mixer/IF amps/detector/audio output. Really nice and really clear. The rest of the (LARGE) 2-sided poster has all the goodies: exploded views, component placements, bill of material, parts ID, how to solder well, etc., etc. All in fine detail and high-resolution color. This document was clearly someone's labor of love. Best of all, the translations are excellent and only a tiny bit stilted here and there (charming), but written with a clear reverence of the task and a nice sense of history. The parts quality, (it's not built yet), appears fine. The PCB is 2-sided FR-4, (the good stuff) and seems very stable. The housing is a nice throwback to the 1960's, a simple clear design that fits well in the hand. Everything about it says professional and not "toy". I'm really loving this, can you tell? You betcha. I would have given up my Schwinn banana-seat bike for a month to get one of these as a kid! The design is discrete - meaning it has individual transistors and components, all through-hole and no surface-mount items. There is one IC - but it is just the output amplifier, a simple little SIP CD7368, that looks easy to install and will assure clean output, with minimal fuss. The alignment instructions are pretty clear, and don't require fancy test gear, although the novice may have to read through them a couple of times before the idea gets completely clear - this is radio after all and some sense of theory is needed before you can align the 3 stages to receive as well as a factory unit would. All in all I am amazed at the care and trouble someone has taken to put this all together - the documentation poster is truly amazing and makes the project very approachable for young and old radio fans. Did I mention they also include a gift/storage box just the right size for the finished radio, denoting it's "Homebrew" status? Way cool. Schools, ham radio clubs, Scouts, churches - take note: under some friendly direction this is THE kit to get for a group project, and it's not expensive, so everyone can get one. In my opinion this is the deal of the decade and I hope they made a lot of them... because once word gets out on the street, they are going to go fast. I bought 2, because my other daughter, at 3YO, will be wanting one too...even if she has to practice a bit more will the soldering iron before I'll let her tackle it. And there is a good point to make. This kit comes with everything you will need EXCEPT solder. You have to make a choice. If you use lead-free solder (which I recommend, even though it is a touch trickier to handle) make sure you are using a hot enough iron, around 800F. Invest in a decent imported adjustable pencil iron for this kit. The old standard of ~700F works for leaded solder, (cheaper) but there is the cleanup and obvious health concerns to think about. I've been using lead free solder with the kids, and so far so good. 5 Stars, Tecsun, many thanks to you!!! Someone is finally doing it right again! - Dan N8ZJV UPDATE 2015: My daughter did build this kit (with help of course, she's only 6!) and aside from the missing 10k resistors others have mentioned (which, BTW were shipped to me without me asking) it went really well. The coils were pre-tuned almost spot-on, to my surprise, as alignment using an HP digital RF signal generator soon made clear. (I think you can get decent performance without a fancy generator - but if you have one...it's good to know you have it peaked) We were not disappointed. It worked fine after one small issue - the amplifier SIP went in backwards despite being aware of the possibility. My solution was to use a hot-air gun to carefully reflow the back side of the PCB at the SIP leads, while applying gentle pulling pressure from the component side. Despite already having had power applied, the amp chip was not DOA once installed correctly. Nice. My daughter is SO proud of it - and we made pix and video so she can prove that she really did it! She is already asking about the next project! Kudos again to Tecsun for a wonderful kit - much more kit than the price would imply! Slick!

## Features

- Build a high performance AM radio Receiver
- DIY for enthusiasts, higher sensitivity than 99% AM radios on the market
- Step-by-step Guide included
- Great for learning and education
- Completed it with a radio case, make it your favorite radio and take it anywhere you want, Tell and Show !

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LXK26QW |
| Additional Features | DIY Radio, AM Radio Receiver, Step-by-step Guide, Radio Case |
| Best Sellers Rank | #69,891 in Electronics ( See Top 100 in Electronics ) #40 in Car Satellite Radio Equipment |
| Brand | TECSUN |
| Built-In Media | Owner's Manual, Radio Case |
| Color | Multicolor |
| Compatible Devices | Laptop, MP3 Player, Smartphone |
| Connectivity Technology | Auxiliary |
| Customer Reviews | 3.9 out of 5 stars 249 Reviews |
| Display Type | LCD |
| Frequency | 108 MHz |
| Hardware Interface | 3.5mm Audio |
| Item Dimensions L x W x H | 11"L x 8"W x 3"H |
| Item Weight | 16 ounces |
| Manufacturer | Tecsun |
| Model Number | 2P3 |
| Power Source | Battery Powered |
| Product Dimensions | 11"L x 8"W x 3"H |
| Radio Bands Supported | AM |
| Speaker Maximum Output Power | 120 Watts |
| Special Feature | DIY Radio, AM Radio Receiver, Step-by-step Guide, Radio Case |
| Style Name | Fun Radio Kit |
| Tuner Technology | AM |
| Tuner Type | AM |
| UPC | 885164901086 793631064489 851567004747 |

## Product Details

- **Brand:** TECSUN
- **Color:** Multicolor
- **Connectivity Technology:** Auxiliary
- **Included Components:** Owner's Manual, Radio Case
- **Power Source:** Battery Powered
- **Product Dimensions:** 11"L x 8"W x 3"H
- **Radio Bands Supported:** AM
- **Special Feature:** DIY Radio, AM Radio Receiver, Step-by-step Guide, Radio Case
- **Style:** Fun Radio Kit
- **Tuner Technology:** AM

## Images

![2P3 AM Radio Receiver Kit - DIY for Enthusiasts, Built it into a Radio case ! - Image 1](https://m.media-amazon.com/images/I/818l9PGmSRL.jpg)

## Questions & Answers

**Q: Has anyone attempted to put a headphone jack on this kit radio?**
A: A headphone jack is included as part of the kit.  It is located on the upper left side of the radio.

**Q: Does it come with soldering tools?**
A: No. It is a kit, and like pretty much every electronic kit, it comes with the parts necessary to build the radio. Instructions are provided as a large fold-out that does _not_ contain step-by-step check-box directions like traditional Heathkits; you work from a circuit diagram and board-layout and ideally perform some measurements with a milliammeter before soldering a short across the test points. I would not call this a beginner kit - do not attempt this as your first kit - but it was very easy for me to build in about 90 minutes on a Sunday morning. Performance is excellent; it's like the best pocket radios I remember from early 1970s. The hardest part might be aligning the receiver, but even that's not too difficult using local radio stations. I use my 2P3 on a fairly regular basis.

**Q: I almost purchased this. however, i noticed the posts about parts missing. is that still an issue? or, has it been corrected?**
A: I have purchased two of the 2P3 kits and both were 100% complete - no missing parts.

**Q: Full size of micro components?**
A: Yes, all the components are appropriate full sized items. Follow the directions carefully and you will have a very nice AM radio. Best of luck.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fantastic Kit!
*by E***N on December 27, 2014*

I technically should knock of one star because, as other reviewers have mentioned, the kit IS missing two 10K-ohm resistors; and also because the documentation shows an empty IF transformer shield can soldered to the circuit board (covering the detector diode and a couple of other small parts) and that shield can is missing. I'm sure the radio will work fine without the shield can, but you MUST replace the two missing resistors or it won't work. BUT . . . the rest of the kit in it's implementation, documentation, and design is so outstanding that I'm still giving it 5 stars. It's just that good, and we haven't seen anything this good in America since Heath-Kit lamentably went out of business. Other reviewer stated that he had to cut holes in the plastic case in order to get a good fit, that is just plain false. Folks, this is a kit, you have to expect to do some work here! It's not going to just snap together like some Lego blocks. Doing the work, taking your time and doing it right with some finesse, and winding up with a nice thing you can have some pride of accomplishment in, that's all part of the kit building experience. I found that if you position the volume control and headphone jack on the PCB and hold it there with a little piece of blue painter's masking tape (do one of them first, then the other) in their positions and DON'T solder yet, then place the PCB in the case and test for fit with the holes in the case . . . if the fit is not good, reposition the part and secure again with the tape. Once the fit is perfect, carefully remove the PCB without disturbing the position of the part being held by the tape, and then with the tape holding the part in it's perfect location, you solder it down to the PCB. That's what I mean by taking your time and doing the job with some finesse. Again to the reviewer who complained he had to file the little volume control daughter board after breaking it off the main PCB, it's to be expected, it's a kit, not a pile of Lego blocks. Another totally invalid complaint IMHO. The 4-color poster is fantastic, there are NO errors on it. The reviewer who complained about the electrolytic capacitor markings was just nit-picking, Thee negative side of the capacitors is marked plainly on both the pictorial chart AND on the PCB itself. I have been working as a professional in Avionics for over 38 years, and most ALL capacitors of that type I've seen have the NEGATIVE side marked. In the kit, the parts themselves, the pictorial, and the PCB all are plainly marked as to which side is the negative side, so no problem there at all IMHO. I have an extensive "junk box" full of electronic parts at home, so I had no problem replacing the two missing resistors. Still, no excuse for that, they need to fix that issue so that people don't have to go to Radio Shack and get something that is supposed to be included in the kit. I also had plenty of "junk" miniature IF transformers, so I gutted one of them and installed the can on the PCB over the detector components as shown by the outline on the PCB and in the documentation. Missing parts issue solved. I turned on the radio and it worked right away. Then I aligned it via the simple method in the documentation and it was working just fine, with the stations 560 and 1450 showing up on the station dial in their proper relative positions. Maybe the reviewer who complained about the stations not being in the right place was in too big of a hurry to read the documentation about the part that says it NEEDS to be aligned. Again, it's a kit radio, NOT a snap-together pile of Lego blocks. I then did what I consider to be a "proper" alignment using a voltmeter to monitor the AVC voltage at the points marked "TP1 and TP2" in the documentation, and using an RF signal generator set to 455khz to align the IF, and then set to 540KHz and 1650Khz to alternately align the inductor and trimmer capacitors to get the stations to appear almost perfectly with the tuning dial markings. I then had a remarkably sensitive and selective little receiver; that tells me they used good parts for the tuned circuits in the radio considering there are just a couple of transistors in there doing all the "work". It even received my talk radio station inside a metal aircraft hangar, better than any radio anyone else has in the shop (but still it wasn't as loud as it can get outside the building). I then noticed it I place my hand, or a small metal plate near the back of the radio inside the metal hangar, it picked up as good as it could outside. So an idea came to mind - I took the back of the radio off again, and I covered the whole inside surface of it with "1000 mile per hour tape" AKA aircraft battle damage tape, it's metal (aluminum) tape and you can get a roll of it at any of the big box home improvement stores, usually in the section that has the duct work for heating and air conditioning (or sometimes it's in the paint department with the masking tape). I carefully cut around all of the ventilation holes in the radio's back (even though it doesn't get hot and doesn't need ventilation) mostly because the sound from the speaker can get out through those slots and makes the radio's sound fuller. VOILA, not the radio pick up just as good in metal or rebar reinforced concrete structures as it does outside in open air. Then I went on a camping trip way out in the desert 155 miles as the crow flies from my home town's low-power talk radio station. The little radio picked up that station with plenty of volume and no static - unlike all 4 of the car radios of the folks who were at camp with me, none of the car radios (two stock ones and two after-market ones) could even pick it up. So I'm very impressed with the engineering, sensitivity and selectivity of this little radio. Overall, despite the missing parts, it was a pleasure to build and a pleasure to listen to. Oh, and the batteries last a long time I'm sure, because I've been listening to it almost everyday for 5-7 hours each day at work, plus on Saturdays in the house (talk radio junky here) for almost 2 months now, and there is no sign of the radio's volume being any lower than the first time I used it. A well deserved 5-Stars, and that's not even taking into account it's educational value to kids who are just learning radio electronics. But I sure wish Tecsun would hurry and get the missing parts issue solved for those kids big and small that don't have a huge collection of electronic parts laying about the house as I do.

### ⭐⭐⭐⭐⭐ Ham guy says: Amazing kit, Amazingly detailed Poster-Instructions, great value.
*by B***L on September 5, 2014*

The Tecsun 2P3 Radio Kit is Amazing. I have been scanning Amazon for months, looking for a follow-up to the Elenco AR Radio Kit for my 6YO daughter. Here I have finally found it. Let me start off by saying, I am officially a "radio guy". As a life-long semi-pro musician and an Amateur Radio Extra Class license holder, I have been building tube amps, antennas and radio circuits for well over 35 years. My tube radio collection numbers over 100 pieces. My workbench is full of the nicer Heathkit last-generation test gear, HP and Agilent equipment, and I have prototyped all sorts of SMD RF electronics in the OEM Automotive industry for over 24 years. I have an eye for quality and I'm known for fussiness on detail. OK, credentials established. This kit exceeded all expectations, starting with the documentation. The neatly and securely packed kit comes with a large-format poster. Heavy-gauge paper with a brilliant 4-color 2-sided print job, registered as well as any I have ever seen. The detail includes a large traditional schematic, but enhanced with actual pictures of each component so everything is really easy to identify. The draftsmanship is open and very good, making it easy to read. You can follow it well while reading the included theory of operation. Voltages at key points are given and the whole diagram is split into the traditional AM groupings - input/oscillator/mixer/IF amps/detector/audio output. Really nice and really clear. The rest of the (LARGE) 2-sided poster has all the goodies: exploded views, component placements, bill of material, parts ID, how to solder well, etc., etc. All in fine detail and high-resolution color. This document was clearly someone's labor of love. Best of all, the translations are excellent and only a tiny bit stilted here and there (charming), but written with a clear reverence of the task and a nice sense of history. The parts quality, (it's not built yet), appears fine. The PCB is 2-sided FR-4, (the good stuff) and seems very stable. The housing is a nice throwback to the 1960's, a simple clear design that fits well in the hand. Everything about it says professional and not "toy". I'm really loving this, can you tell? You betcha. I would have given up my Schwinn banana-seat bike for a month to get one of these as a kid! The design is discrete - meaning it has individual transistors and components, all through-hole and no surface-mount items. There is one IC - but it is just the output amplifier, a simple little SIP CD7368, that looks easy to install and will assure clean output, with minimal fuss. The alignment instructions are pretty clear, and don't require fancy test gear, although the novice may have to read through them a couple of times before the idea gets completely clear - this is radio after all and some sense of theory is needed before you can align the 3 stages to receive as well as a factory unit would. All in all I am amazed at the care and trouble someone has taken to put this all together - the documentation poster is truly amazing and makes the project very approachable for young and old radio fans. Did I mention they also include a gift/storage box just the right size for the finished radio, denoting it's "Homebrew" status? Way cool. Schools, ham radio clubs, Scouts, churches - take note: under some friendly direction this is THE kit to get for a group project, and it's not expensive, so everyone can get one. In my opinion this is the deal of the decade and I hope they made a lot of them... because once word gets out on the street, they are going to go fast. I bought 2, because my other daughter, at 3YO, will be wanting one too...even if she has to practice a bit more will the soldering iron before I'll let her tackle it. And there is a good point to make. This kit comes with everything you will need EXCEPT solder. You have to make a choice. If you use lead-free solder (which I recommend, even though it is a touch trickier to handle) make sure you are using a hot enough iron, around 800F. Invest in a decent imported adjustable pencil iron for this kit. The old standard of ~700F works for leaded solder, (cheaper) but there is the cleanup and obvious health concerns to think about. I've been using lead free solder with the kids, and so far so good. 5 Stars, Tecsun, many thanks to you!!! Someone is finally doing it right again! - Dan N8ZJV UPDATE 2015: My daughter did build this kit (with help of course, she's only 6!) and aside from the missing 10k resistors others have mentioned (which, BTW were shipped to me without me asking) it went really well. The coils were pre-tuned almost spot-on, to my surprise, as alignment using an HP digital RF signal generator soon made clear. (I think you can get decent performance without a fancy generator - but if you have one...it's good to know you have it peaked) We were not disappointed. It worked fine after one small issue - the amplifier SIP went in backwards despite being aware of the possibility. My solution was to use a hot-air gun to carefully reflow the back side of the PCB at the SIP leads, while applying gentle pulling pressure from the component side. Despite already having had power applied, the amp chip was not DOA once installed correctly. Nice. My daughter is SO proud of it - and we made pix and video so she can prove that she really did it! She is already asking about the next project! Kudos again to Tecsun for a wonderful kit - much more kit than the price would imply! Slick!

### ⭐ TECSUN 2P3 KIT FULL OF ASSEMBLY AND MECHANICAL PROBLEMS
*by E***. on October 7, 2014*

SEE ATTACHED PICTURES. GRIPES, PROBLEMS, ETC. COMPLETED BUILDING TODAY. I HAVE BUILT HUNDREDS OF KITS (IN FACT I JUST FINISHED 2 OTHER ELENCO KITS THIS LAST MONTH, NO PROBLEMS) AND THIS TECSUN 2P3 KIT IS PRETTY AWFUL AS FAR AS INSTRUCTIONS, FIT FINISH, TEST AND ALIGNMENT. ITS AWFUL. THE FIT AND FINISH IS THE WORST, QUALITY. PWB ASSEMBLY GRIPES: 1. THIS KIT WAS NEVER “PROOF OF ASSEMBLY FOR HOME ASSEMBLERS” BY A LAYMAN DO IT YOURSELF KIT BUILDER. YOU APPEAR TO NEVER HAVE DONE ANY TRIAL ASSEMBLY WITH A HOME DIY KIT BUILDER GUYS TO GET BUGS OUT. I THINK I’M FIRST BECAUSE YOU HAVE SERIOUS MISTAKES, OMISSIONS, MISSING PARTS ETC., ESPECIALLY SEE #3, #11! REQUIRED FILING TO FIT! THAT’S JUST POOR QUALITY ! 2. ARE THE BLUE TRACES SHOWN ON THE ASSEMBLY DRAWING JUMPER WIRES? IF SO YOU SAY NOTHING ABOUT THEM. WHAT DO I DO? FOR NOW I’LL ASSUME THEY ARE NOT JUMPER WIRES AND NOT ADD THEM. I DOUBLE CHECKED WITH MAGNIFYING GLASS AND THEY ARE TRACES. 3. MISSING PARTS FROM THE KIT. R13, R14 10K RESISTORS. YOU OBVIOUSLY HAVE NO QUALITY CONTROL ON BAGGING / KITTING THE PROPER PARTS, ALL THE CORRECT PARTS. YOU SHIPPED PARTS MISSING, SHORT! 4. POOR QUALITY RESISTOR, COLOR CHIPPING OFF, COLOR WASHED OUT, HARD TO READ. HAD TO VERIFY MANY WITH OHM METER. 5. MISSING MANY ASSEMBLY DETAILS. IE HOW MOUNT BATTERY HOLDER, HOW MOUNT ANTENNA. ANTENNA WIRE CONNECTIONS UNCLEAR. OTHER KITS I’VE DONE SHOW LOOP STICK WIRES IN GREAT DETAILS, YOU DO NOT. ALSO “PLASTIC RIBBON” MISSING FROM ANTENNA MOUNT. SHOWN IN DRAWING,BUT ITS NOT IN THE KIT. MORE MISSING PARTS. 6. NO CHECK OFF FOR EACH COMPONENT AS INSTALLED. 7. POLARITY MARKING OF CAPACITOR HORRIBLY CONFUSING, INDUSTRY STANDARD IS TO LABEL A + SIGN ON PWA SILKSCREEN, YOUR HASH MARKS, WHAT THE HELL DO THEY MEAN? C13, WHAT IS POLARITY? THE PWB HAS HASH MARKS, NO PLUS SIGN. I ASSUME BY CAREFULLY CHECKING YOU MEAN HASH MARKS ON PWA IS +?????. CONFUSING! 8. NO LOGIC TO ASSEMBLY. SAYS, BUILD STAGES AND TEST, BUT HOW? START WITH WHICH? YOU SAY TEST COMPONENTS BUT GIVE NO WAY TO TEST THEM. DO YOU NEED TO BE COMPONENT TEST ENGINEER TO TEST THESE? YOU ARE SUPPOSED TO GIVE GOOD PARTS, I SHOULDN’T HAVE TO TEST THEM AGAIN. 9. MISSING GLUE. CHASSIS BOX WHITE PLATE FALLS OFF. NO GLUE IN KIT. 10. VOLUME CONTROL BOARD REQUIRED FILING WITH FILE TO GET THE PWA TO SNAP IN PLACE. IF YOU HAD EVER PROOFED ASSEMBLED THIS KIT, YOU WOULD HAVE CAUGHT THAT AND YOU DID NOT. POOR QUALITY! 11. IS THERE A SHIELD OVER C6, C7,R11? YOU SHOW A SHIELD CAN IN THE ASSEMBLY DRAWING, BUT NONE IN THE KIT. WHICH IS CORRECT, NO SHIELD, OR SHIELD CAN? THIS IS ONE OF THE MOST HORRIBLE KITS I EVER PUT TOGETHER. ITS JUST AWFUL! I COMPARE YOU TO TEN TEC, EXCELLENT KITS, XTAL SET SOCIETY, EXCELLENT KITS, BORDEN RADIO KITS EXCELLENT; THOSE KIT COMPANIES ARE EXCELLENT, YOU ARE NOT. FINAL ASSEMBLY GRIPES: 12. THE EARPHONE HOLE IS TOO SMALL AND NEEDS TO BE FILED BIGGER. MAJOR MISTAKE IN THE MECHANICAL DESIGN. SEE PICTURE. YOU NEVER PROOFED THIS KIT OR YOU WOULD HAVE CAUGHT THIS MAJOR MISTAKE! 13. THE FINISHED PRINTED WIRING BOARD PWA DOESN’T FIT PROPERLY IN THE CASE. 14. THE THREE MOUNTING SCREWS ATTACHING THE PWA TO CASE ARE VERY DIFFICULT TO LINE UP. THERE IS A BIG BULGE IN THE PWA AND THE BOTTOM PLASTIC CASE DOESN’T FIT PROPERLY, SEE PICTURES. WHAT’S CAUSING THIS I DON’T KNOW AS IT A BLIND FIT AND I CAN’T SEE. SO THE CASE BULGES. SEE PICTURE. 15. KIT MISSING GLUE. 16. BOTH CONTROLS, VOLUME, AND TUNING CHAFE, RUB AND ARE VERY DIFFICULT TO TURN BECAUSE OF THE MECHANICAL FIT PROBLEMS. THE RADIO IS BARELY USEABLE THIS WAY. MECHANICAL IS AWFUL! TEST/ ALIGNMENT GRIPES: 17. NO TEST EQUIPMENT LIST. 18. NO CLEAR CONCISE ALIGNMENT PROCEDURES WITH TEST EQUIPMENT, OR EVEN WITHOUT TEST EQUIPMENT. 19. NO ALIGNMENT SPECIFICATIONS, SETUP CONDITIONS, OR PROCEDURES. 20. CUT JUMPER AT GAPS A, B, C: VERY CONFUSING. WITH THEM OPEN THE KIT DOES NOT WORK. JUMPER GAP CURRENTS: I’VE NEVER SEEN SUCH A THING! YOU NEVER EVER ASK CONNECTIONS TO BE DONE WITH SOLDER BLOBS ONLY, EVER!!!!!! SOLDER HAS NO STRENGTH!. 21. I CHECKED CURRENTS AT A, B, C ANYWAY, ALL THREE AT A, B, C IN SPECIFICATION. WHY YOU HAVE THE TESTER KIT BUILDER DO THIS IS BEYOND ME. IT ADDS NOTHING TO TELL YOU THE KIT IS WORKING. THEN YOU ARE UNCLEAR AS TO WHEN TO APPLY SOLDER BLOB JUMPER BRIDGE. WHICH? 22. TEST SELECT AND CHANGE RESISTORS R1, R5, R6? I’VE NEVER EVER SEEN THIS DONE IN ANY KITS. YOUR DESIGN SHOULD HAVE NO TEST SELECTS. BESIDES, CHANGING THESE LIKELY DOES NOT AFFECT READING MUCH. THIS IS JUST AWFUL AND WILL RESULT IN MORE DAMAGE TO THE PWB TRACES. 23. VOLTAGE TEST POINTS USELESS. ALSO REFERENCE TO GROUND? 24. NO 455 KHZ IF ALIGNMENT. I ENDED UP PEAKING FOR MAXIMUM MEASURING MVPP WITH MY OSCILLOSCOPE ACROSS THE SPEAKER TERMINALS AND A LOW LEVER RF GENERATOR OR SET TO 455 KHZ MODULATED 1 KHZ. PEAKED T2, T3. BOTTOM LINE: 25. THE RADIO DOES WORK, BUT YOUR ASSEMBLY INSTRUCTIONS, TESTING , MECHANICAL DESIGN AND QUALITY, MISSING PARTS, NO ADEQUATE TESTING PROCEDURE NEEDS TO BE FIXED.

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*Last updated: 2026-03-21*