BRIMAR CV133 / 6C4 / EC90
MILITARY GRADE | BLACK PLATE | RING GETTER | MATCHED PAIR
NOS (New Old Stock)
Production: 1960’s
Black Plate
Made in England
Production: 1960’s
Black Plate
Made in England
Now available is a strictly matched pair of vintage Brimar CV133 (6C4 / EC90 equivalent) triodes, manufactured in England during the early 1960s. These are military-grade units featuring Black Plates and an Ring Getter, offering the legendary British sonic signature and superior durability.
Each unit has been carefully screened on our Amplitrex AT1000 digital laboratory system.
| Serial No. | Section | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| 2755016 | Triode | 10.5 | 10.0 | 95.2% | 2200 | 2300 | 104.5% |
| 2755052 | Triode | 10.5 | 10.2 | 97.1% | 2200 | 2280 | 103.6% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 100 Pieces in Stock
Quality Verified Since 1970
Precision Verified — NOS Audio Tubes
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