---
product_id: 39962104
title: "Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish"
brand: "electro-harmonix"
price: "₨46314"
currency: LKR
in_stock: true
reviews_count: 13
category: "Electro Harmonix"
url: https://www.desertcart.lk/products/39962104-electro-harmonix-vacuum-tube-12ax7-matched-trio-instrument-amplifier-tubes
store_origin: LK
region: Sri Lanka
---

# Ultra low noise spiral filament Polished finish premium build High gain matched trio Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish

**Brand:** electro-harmonix
**Price:** ₨46314
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound, silence the noise — be the tone everyone envies!

## Quick Answers

- **What is this?** Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish by electro-harmonix
- **How much does it cost?** ₨46314 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/39962104-electro-harmonix-vacuum-tube-12ax7-matched-trio-instrument-amplifier-tubes)

## Best For

- electro-harmonix enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Polished Finish:** Elevate your amp’s look with premium glass craftsmanship
- • **Vintage-Inspired Tone:** Delivers rich, musical warmth rivaling coveted NOS tubes
- • **Precision Matched Trio:** Consistent gain & conductance for flawless tone every time
- • **Stage-Ready Durability:** Built tough to power your gigs night after night
- • **Noise-Cancelling Spiral Filament:** Unique design slashes hum for crystal-clear sound

## Overview

The Electro-Harmonix 12AX7 Matched Trio features precision-matched tubes with a unique spiral filament design that drastically reduces hum and noise. Crafted with a polished glass finish, these tubes deliver high gain and rich, vintage-inspired tones ideal for professional musicians seeking reliable, stage-ready amplifier performance.

## Description

The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments.

Review: Perfect for my Peavy Delta Blues - Installed and went out that night and did a four hour gig. They were perfect. Did a 3 hour gig the next night. Tubes sound great.
Review: Great tone - Makes a fender bassman rip. A great value for a slightly different tone than the rest.

## Features

- Matched Trio
- Matched for both gain and conductance
- Spiraled filament allowing for reduced noise
- Great value for a great sounding tube

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01IWC98JQ |
| Best Sellers Rank | #30,616 in Musical Instruments ( See Top 100 in Musical Instruments ) #95 in Guitar Amplifier Tubes #9,682 in Music Recording Equipment |
| Body Material | Glass |
| Connector Type | 9-pin miniature |
| Customer Reviews | 4.3 4.3 out of 5 stars (69) |
| Date First Available | July 22, 2016 |
| Instrument Key | A |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.8 ounces |
| Item model number | 12AX7 |
| Material Type | Glass |
| Product Dimensions | 3 x 1 x 3 inches |
| Signal Format | Analog |

## Product Details

- **Brand:** Electro-Harmonix
- **Instrument Key:** A
- **Item Weight:** 1.8 Ounces
- **Material:** Glass
- **Style:** Modern

## Images

![Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish - Image 1](https://m.media-amazon.com/images/I/617-x9s6qbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my Peavy Delta Blues
*by M***O on May 30, 2024*

Installed and went out that night and did a four hour gig. They were perfect. Did a 3 hour gig the next night. Tubes sound great.

### ⭐⭐⭐⭐⭐ Great tone
*by A***R on August 2, 2024*

Makes a fender bassman rip. A great value for a slightly different tone than the rest.

### ⭐⭐⭐⭐⭐ Delivered what was expected.
*by I***R on January 18, 2024*

Good tubes, well packaged, fast delivery and fair price. Couldn't be a better transaction.

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**Shop now:** [https://www.desertcart.lk/products/39962104-electro-harmonix-vacuum-tube-12ax7-matched-trio-instrument-amplifier-tubes](https://www.desertcart.lk/products/39962104-electro-harmonix-vacuum-tube-12ax7-matched-trio-instrument-amplifier-tubes)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-17*