---
product_id: 39962104
title: "Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish"
brand: "electro-harmonix"
price: "398.58 DT"
currency: TND
in_stock: true
category: "Electro Harmonix"
url: https://www.desertcart.tn/products/39962104-electro-harmonix-vacuum-tube-12ax7-matched-trio-instrument-amplifier-tubes
store_origin: TN
region: Tunisia
---

# Matched trio for balanced sound Ultra low noise spiral filament High gain for powerful tone Electro-Harmonix Vacuum Tube, 12AX7 Matched Trio, Instrument-Amplifier Tubes, Polished Finish

**Brand:** electro-harmonix
**Price:** 398.58 DT
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your amp game with noise-free, pro-grade tone!

## 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?** 398.58 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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

- • **Polished Finish:** Sleek, modern look that complements any amp setup
- • **Compact & Lightweight:** Easy to install with a durable 9-pin miniature connector
- • **Precision Matched Trio:** Consistent gain and conductance for flawless tone blending
- • **Spiral Filament Design:** Reduces hum and noise for crystal-clear sound clarity
- • **Pro-Level Sound Quality:** Delivers detailed, musical tone rivaling vintage NOS tubes

## Overview

The Electro-Harmonix 12AX7 Matched Trio features a unique spiral filament design that minimizes hum and noise, delivering high gain and a balanced, detailed sound. Polished for a modern aesthetic, these 9-pin miniature tubes are precision matched for consistent performance, making them a top choice for guitarists and recording pros seeking vintage-quality tone with modern reliability.

## 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.

## 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 | #10,572 in Musical Instruments ( See Top 100 in Musical Instruments ) #11 in Guitar Amplifier Tubes #3,498 in Music Recording Equipment |
| Brand Name | Electro-Harmonix |
| Color | Polished |
| Connector Type | 9-pin miniature |
| Customer Reviews | 4.5 4.5 out of 5 stars (76) |
| Finish Type | Polished |
| Instrument Key | A |
| Item Dimensions | 3 x 1 x 3 inches |
| Item Weight | 1.8 ounces |
| Manufacturer | Electro-Harmonix |
| Manufacturer Part Number | 12AX7 |
| Material Type | Brass |
| Model Name | 12AX7 |
| Model Number | 12AX7 |
| Number of Items | 3 |
| Number of Packs | 1 |
| Set Name | Trio |
| Sound Profile | Balanced |
| Style | Modern |
| UPC | 735757050526 |
| Unit Count | 3 Count |

## Product Details

- **Brand:** Electro-Harmonix
- **Color:** Polished
- **Instrument Key:** A
- **Material:** Brass
- **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)

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

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-18*