RSD ECC81 / 12AT7 – Grey Plate Made in Germany
NOS Single
New In Original Box
Grey Plate
Ring Getter
New In Original Box
Grey Plate
Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc RSD ECC81 (12AT7) dual triode, Serial No. 2147001. This authentic German-manufactured valve is designed with Grey Plates, Double Mica spacers for enhanced stability, and a Ring Getter. The unit is preserved in its original RSD “First Quality” retail box and has been laboratory tested on the Amplitrex AT1000.
- Type: ECC81 / 12AT7 Brand: RSD
- Condition: New in Original Box Construction: Grey Plate / Ring Getter / Double Mica
- Origin: Made in Germany Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters.
Performance: This tube displays strong, balanced triode sections with transconductance reaching up to 5470 uMhos (approx. 100% of spec).
Performance: This tube displays strong, balanced triode sections with transconductance reaching up to 5470 uMhos (approx. 100% of spec).
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 2147001 | T1 | 10.0 | 9.6 | 96% | 5500 | 5380 | 98% |
| T2 | 10.0 | 10.1 | 101% | 5500 | 5470 | 99% |
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