BRIMAR CV4003 /12AU7WA — Matched Pair (2 Pcs)
Type: High-Reliability Dual Triode
Made in England
Top Ring Getter
Military Grade
Original GVT Boxes
Amplitrex AT1000 Tested
Available now is a premium matched pair of 2 pieces of Brimar CV4003 High-Reliability 12AU7WA valves. These are genuine British-made tubes, featuring the classic Gray Plate construction and Top Ring Getter.
These units are New Old Stock (NOS), preserved in their Original GVT Boxes. This pair has been rigorously tested and matched on our Amplitrex AT1000 to provide exceptional balanced performance for critical audio stages.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 802192 | T1 | 10.5 | 10.4 | 99.0% | 2200 | 2100 | 95.5% |
| T2 | 10.5 | 10.4 | 99.0% | 2200 | 2100 | 95.5% | |
| 802108 | T1 | 10.5 | 10.0 | 95.2% | 2200 | 2100 | 95.5% |
| T2 | 10.5 | 10.0 | 95.2% | 2200 | 2100 | 95.5% |
About NOS Audio Tubes
Based in Mumbai, India, we are professional suppliers of high-quality vacuum tubes with a specialized history dating back to the 1970s. Managing an inventory of over 300,000 valves, we utilize industrial-grade Amplitrex AT1000 equipment to provide accurate and transparent test data for the global audiophile community.
Note: Custom duties and Taxes are the Responsibility of the Buyer in their Country
Note: We have more than 1000 Pcs
Support: [email protected]
NOS Audio Tubes — Mumbai, India
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