Valvo ECC81 Single Tube (1 Pc)
NOS
Single Piece
Short Rib Plate
Top Ring Getter
Single Piece
Short Rib Plate
Top Ring Getter
Available for purchase is one premium Valvo ECC81 vacuum tube. This authentic Made in Germany valve features Short Rib Plate construction and a Top Ring Getter. This New Old Stock (NOS) unit is highly regarded for its German manufacturing quality and excellent sonic characteristics.
- Type: ECC81 / 12AT7 Brand: Valvo
- Condition: New in White Box Construction: Short Rib Plate
- Origin: Made in Germany Testing: Amplitrex AT1000
Laboratory Tested: This tube has been fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory targets of $I_p=10.0$ and $G_m=5500$.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1693001 | T1 | 10.0 | 15.0 | 150.00% | 5500 | 6450 | 117.27% |
| T2 | 10.0 | 12.4 | 124.00% | 5500 | 6360 | 115.64% |
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