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CV4003 / 12AU7 / 6189

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Brimar

Name: CV4003 / 12AU7 / 6189
Brand: Brimar
SKU: CV4003-12AU7-6189
Price: 45.00 GBP
Availability: InStock

CV4003 / 12AU7 / 6189

£45.00 £37.50

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CV4003-12AU7-6189

Brand

Brimar

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Premium Tested - Single Valve + £45.00 £37.50

Premium Tested - Matched Pair + £90.00 £75.00

Premium Tested - Matched Quad + £180.00 £150.00

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Brimar, CV4003 / 12AU7 / 6189

The Brimar CV4003 / 12AU7 / 6189 is a high-quality, vintage vacuum tube widely prized in audiophile, hi-fi, and guitar amp communities. Here's a quick breakdown of what makes this tube notable:

Warm, smooth tone: Especially valued in hi-fi for its musicality and lack of harshness.
Low microphonics: Ideal for sensitive preamp applications.
Military-grade construction: Built to last longer than standard 12AU7s.
Made in England: Original Brimar tubes are among the best NOS (New Old Stock) options.

Designation equivalents:
- CV4003: British military spec number
- 12AU7: Standard American designation
- 6189: Industrial version (longer life and low noise)
Brand: Brimar (British Manufacture)
Type: Dual triode
Use cases: Preamp stage in guitar amps, high-end hi-fi gear, and professional audio equipment