---
product_id: 377820401
title: "Electro-Harmonix 12AX7 Matched Trio, High Gain, Low Noise, Spiral Filament, Polished, Classic, Acrylonitrile Butadiene Styrene, Tubes, Brass And Woodwind Instruments, A"
brand: "electro-harmonix"
price: "€ 121.90"
currency: EUR
in_stock: true
reviews_count: 5
category: "Electro Harmonix"
url: https://www.desertcart.nl/products/377820401-electro-harmonix-12ax7-matched-trio-high-gain-low-noise-spiral
store_origin: NL
region: Netherlands
---

# Perfect match for classic amps Ultra low noise spiral filament High gain for powerful sound Electro-Harmonix 12AX7 Matched Trio, High Gain, Low Noise, Spiral Filament, Polished, Classic, Acrylonitrile Butadiene Styrene, Tubes, Brass And Woodwind Instruments, A

**Brand:** electro-harmonix
**Price:** € 121.90
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your amp’s soul with noise-free, high-gain power!

## Quick Answers

- **What is this?** Electro-Harmonix 12AX7 Matched Trio, High Gain, Low Noise, Spiral Filament, Polished, Classic, Acrylonitrile Butadiene Styrene, Tubes, Brass And Woodwind Instruments, A by electro-harmonix
- **How much does it cost?** € 121.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/377820401-electro-harmonix-12ax7-matched-trio-high-gain-low-noise-spiral)

## 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

- • **Value Meets Vintage:** Affordable tube with NOS-level tonal quality
- • **Spiral Filament Tech:** Reduces hum for crystal-clear sound clarity
- • **Gig-Ready Reliability:** Proven performance for marathon live sessions
- • **Precision Matched Trio:** Consistent gain & conductance for flawless tone
- • **Polished Classic Design:** Sleek brass finish that complements vintage gear

## Overview

The Electro-Harmonix 12AX7 Matched Trio delivers high gain and ultra low noise through its innovative spiral filament design, ensuring hum-free, detailed musical tones. Polished with brass and crafted for classic amps, these tubes offer reliable, gig-ready performance with NOS-quality sound at a great value.

## 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: Good quality - Arrived ahead of scheduled delivery. Tubes are operating as expected. No problems so far.
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.

## 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 |
| Brand | Electro-Harmonix |
| Brand Name | Electro-Harmonix |
| Color | Polished |
| Colour | Polished |
| Connector Type | 9-pin miniature |
| Customer Reviews | 4.3 out of 5 stars 66 Reviews |
| Finish Type | Polished |
| Included Components | Pre-installed tubes |
| Instrument Key | A |
| Instrument key | A |
| Item Dimensions | 7.6 x 2.5 x 7.6 centimeters |
| Item Weight | 1.8 Ounces |
| Item weight | 1.8 Ounces |
| Manufacturer | Electro-Harmonix |
| Material | Brass |
| Material Type | Brass |
| Model Name | 12AX7 |
| Model Number | 12AX7 |
| Style | Classic |
| UPC | 735757050526 |

## Product Details

- **Colour:** Polished
- **Brand:** Electro-Harmonix
- **Instrument key:** A
- **Material:** Brass
- **Style:** Classic

## Images

![Electro-Harmonix 12AX7 Matched Trio, High Gain, Low Noise, Spiral Filament, Polished, Classic, Acrylonitrile Butadiene Styrene, Tubes, Brass And Woodwind Instruments, A - Image 1](https://m.media-amazon.com/images/I/617-x9s6qbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by B***. on 22 April 2024*

Arrived ahead of scheduled delivery. Tubes are operating as expected. No problems so far.

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

### ⭐⭐⭐⭐⭐ Buen sonido
*by I***O on 30 June 2025*

Funcionaron muy bien en un bugera 333, no tengo como probarlos ni medir la ganancia, pero mejoró mucho el sonido al reemplazar los 3 en la etapa del preamplificador

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**Shop now:** [https://www.desertcart.nl/products/377820401-electro-harmonix-12ax7-matched-trio-high-gain-low-noise-spiral](https://www.desertcart.nl/products/377820401-electro-harmonix-12ax7-matched-trio-high-gain-low-noise-spiral)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-28*