Mullard CV4004 / 12AX7 New Production Preamp Vacuum |

Mullard CV4004 / 12AX7 New Production Preamp Vacuum Tube

Price is for a single tube with standard testing.

Bulk Pricing Guide

Free Shipping Over $99*

  • Mu cv4004 nobox
  • Mu cv4004

The new production Mullard CV4004 / 12AX7 is a high gain, low noise 12AX7 variant with a short plate structure for reduced microphonics excellent for use in high gain Marshall pre-amplifier circuits or any combo amp where noise and microphonics can be a problem.

    Please Log In or Sign Up to leave a review of this product.

    I have tried this Mullard as well as the NOS CV4004. These tubes are more laid back than the Electro Harmonix. I prefer the sound of the Tung Sol because they are more vivid and have less detail retrieval in the treble region. But many people do favor these tubes.

    reviewed by: Michael Emery

    Tube neophyte, so reader beware. I recently entered the world of tubes with a Yaqin MS-12B preamp for my Rega P2 stock TT. After spending 20 hours listening to the stock Chinese tubes, I put the Mullards Ax7 and Au7’s in. The sound improvement was very noticeable. The mullards offerred a much more detailed sound. Crimson & Clover sounded flat until I put in the mullards to fully appreciate the song on my modest system.

    reviewed by: 11g

    This is my favorite new production tube! I’m running this in my Silverface Champ and it’s the closest to the JAN tube that was in it when I bought it.

    reviewed by: Nick

    I used these in a JTM45 in V1 and V2, very nice sounding pre amp tubes, lots of growl.

    reviewed by: Rocky Singleton
Get Sale Notifications