Valvo ECC81 NOS Matched Pair (Made in Germany)
NOS
Matched Pair (2 Pcs)
Short Rib Plate
Ring Getter
Matched Pair (2 Pcs)
Short Rib Plate
Ring Getter
Available for purchase is a premium matched pair of 2 pcs Valvo ECC81 vacuum tubes. These authentic Made in Germany valves feature the desirable Short Rib Plate construction and Ring Getters. Renowned for their German manufacturing excellence, these New Old Stock (NOS) units offer superb reliability and sonic transparency.
- Type: ECC81 / 12AT7 Brand: Valvo
- Condition: New in White Boxes Construction: Short Rib Plate
- Origin: Made in Germany Testing: Amplitrex AT1000
Laboratory Screening: These tubes have been fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory target.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1984023 | T1 | 10.0 | 9.4 | 94.00% | 5500 | 5360 | 97.45% |
| T2 | 10.0 | 8.4 | 84.00% | 5500 | 5070 | 92.18% | |
| 1984002 | T1 | 10.0 | 12.0 | 120.00% | 5500 | 5570 | 101.27% |
| T2 | 10.0 | 10.4 | 104.00% | 5500 | 5700 | 103.64% |
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