---
product_id: 357561707
title: "Mullard CV4004 / 12AX7, Matched Pair"
brand: "mullard"
price: "£57.56"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/357561707-mullard-cv4004-12ax7-matched-pair
store_origin: GB
region: United Kingdom
---

# High gain Short plate Low noise Mullard CV4004 / 12AX7, Matched Pair

**Brand:** mullard
**Price:** £57.56
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Tone with the Mullard Magic!

## Quick Answers

- **What is this?** Mullard CV4004 / 12AX7, Matched Pair by mullard
- **How much does it cost?** £57.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/357561707-mullard-cv4004-12ax7-matched-pair)

## Best For

- mullard enthusiasts

## Why This Product

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

## Key Features

- • **Perfect for Pros:** Ideal for Marshall style amps, elevating your guitar game.
- • **Unleash Your Sound:** Experience unmatched clarity with matched gain and conductance.
- • **High Output, Low Fuss:** 400 Watts of output wattage ensures you’re always heard.
- • **Lightweight Powerhouse:** Weighing in at just 36.3g, it packs a punch without the bulk.
- • **Microphonics? Not Here!:** Short plate design minimizes unwanted noise for pure performance.

## Overview

The Mullard CV4004 / 12AX7 matched pair is designed for guitarists seeking high gain and low noise performance. With a short plate construction that reduces microphonics, this tube is perfect for combo amps and Marshall style setups. Weighing only 36.3g, it combines lightweight design with powerful output, making it an essential upgrade for any serious musician.

## Description

CV4004 / 12AX7, Matched Pair

## Features

- Matched Pair
- Matched for both gain and conductance
- Short plate, allowing for reduced microphonics (great for combo amps)
- High gain and low noise tube
- Great for use in Marshall style amps

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 36.3 g |
| Package Dimensions | 9.14 x 5.59 x 4.83 cm; 36.29 g |
| Item model number | CV4004 / 12AX7 |
| Compatible Devices | Guitar |
| Output Wattage | 400 Watts |

## Product Details

- **Brand:** Mullard
- **Compatible devices:** Guitar
- **Output wattage:** 400 Watts
- **Item weight:** 0.08 Pounds
- **Model name:** CV4004

## Images

![Mullard CV4004 / 12AX7, Matched Pair - Image 1](https://m.media-amazon.com/images/I/61t1PsVECBL.jpg)

## Frequently Bought Together

- Mullard CV4004 / 12AX7, Matched Pair
- Mullard 12AT7, Matched Pair

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**Shop now:** [https://www.desertcart.co.uk/products/357561707-mullard-cv4004-12ax7-matched-pair](https://www.desertcart.co.uk/products/357561707-mullard-cv4004-12ax7-matched-pair)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-21*