RFT ECC81/12AT7 NOS Germany Matched Pair
Matched Pair
Double Mica
Short Grey Plate
Ring Getter
Double Mica
Short Grey Plate
Ring Getter
Available for purchase is a premium matched pair of RFT ECC81 vacuum tubes. These authentic German-made valves feature the classic Single Rib Plate construction and Top Ring Getter. Known for their durability and excellent sonic characteristics, these New Old Stock (NOS) units come in clean white laboratory boxes.
- Type: ECC81 / 12AT7 Brand: RFT
- Condition: New in White Boxes Construction: Single Rib Plate
- Origin: Made in Germany Testing: Amplitrex AT1000
German Craftsmanship: Features authentic RFT markings and “Made in Germany” print on the glass.
Precision Testing: Fully laboratory matched and screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey specs.
Precision Testing: Fully laboratory matched and screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey specs.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 4523001 | T1 | 10.0 | 15.0 | 150.00% | 5500 | 6900 | 125.45% |
| T2 | 10.0 | 13.6 | 136.00% | 5500 | 6500 | 118.18% | |
| 4523006 | T1 | 10.0 | 15.8 | 158.00% | 5500 | 6730 | 122.36% |
| T2 | 10.0 | 12.0 | 120.00% | 5500 | 6070 | 110.36% |
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