Brimar ECC81 NOS
NOS Single Tube
Original Brimar Box
Double Mica
Top Ring Getter
Original Brimar Box
Double Mica
Top Ring Getter
Offering a high-quality Brimar ECC81 (12AT7 equivalent) dual triode. This specific valve is a Made in Germany variant, produced under the BVA agreement. It features a robust Double Mica spacer, Short Grey Plates, and a Top Ring Getter. The tube is in New Old Stock (NOS) condition, housed in its original red and yellow Brimar box, and has been fully characterized on the Amplitrex AT1000.
- Type: ECC81 / 12AT7 Brand: Brimar
- Condition: NOS in Original Box Construction: Top Ring Getter / Grey Plate
- Origin: Made in Germany Testing: Amplitrex AT1000
High Performance Screening: Tested against reference parameters (Ip=10.0, Gm=5500) for the ECC81 series.
Amplitrex Characterized: Measurements include plate current (Ip), transconductance (Gm)
Amplitrex Characterized: Measurements include plate current (Ip), transconductance (Gm)
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 2075008 | T1 | 10.0 | 11.4 | 114% | 5500 | 5630 | 102% |
| T2 | 10.0 | 10.2 | 102% | 5500 | 5100 | 93% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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