RSD ECC81 NOS Matched Pair
NOS Matched Pair
Original Box
Short Grey Plate
Ring Getter
Original Box
Short Grey Plate
Ring Getter
Available for purchase is a meticulously matched pair of 2 pcs RSD ECC81 vacuum tubes. These “First Quality” electron tubes are constructed with Short Grey Plates and Top Ring Getters. Both units are New Old Stock (NOS) and are housed in their original red and black “Röhren Von Weltruf” factory boxes.
- Type: ECC81 / 12AT7 Brand: RSD
- Condition: New in Original Boxes Construction: Short Grey Plate/ Double Mica
- Origin: Germany (RSD Selection) Testing: Amplitrex AT1000
High Reliability Selection: Branded by RSD, these tubes represent a premium selection for high-fidelity audio applications.
Precision Laboratory Testing: Fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory targets
Precision Laboratory Testing: Fully screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory targets
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 2114001 | T1 | 10.0 | 12.6 | 126.00% | 5500 | 6100 | 110.91% |
| T2 | 10.0 | 9.6 | 96.00% | 5500 | 5270 | 95.82% | |
| 2114003 | T1 | 10.0 | 12.0 | 120.00% | 5500 | 5900 | 107.27% |
| T2 | 10.0 | 9.8 | 98.00% | 5500 | 5180 | 94.18% |
✉️ For technical inquiries, please Email us
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