Mullard CV4004 / ECC83 / 12AX7 Preamp Tube – Tests Strong – Made in Great Britain
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Mullard CV4004 / ECC83 / 12AX7 Preamp Tube – Tests Strong – Made in Great Britain
Here’s a chance to own a highly desirable vintage Mullard CV4004, the British military-spec version of the legendary ECC83 / 12AX7 preamp tube.
This tube tests strong and is ready for service in your favorite guitar amp, hi-fi setup, or studio gear. Mullard CV4004s are prized for their warm, harmonically rich tone, smooth highs, detailed mids, and low-noise performance—a big reason they remain a favorite among players, engineers, and audiophiles alike. The CV4004 designation refers to a ruggedized, military-grade 12AX7 built for reliability and reduced microphonics.
Features:
• Genuine vintage Mullard CV4004 / ECC83 / 12AX7
• Made in Great Britain
• Tests strong with plenty of life remaining
• Known for warm British tone and excellent musical character
• Ideal for guitar amps, hi-fi systems, and vintage audio gear
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Be sure to check out our other listings for more vintage tubes and gear from a large collection!
| Listed | a month ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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