RCA 807
NOS Matched Pair
Original RCA Boxes
Double Square Getter
Brown Base
Original RCA Boxes
Double Square Getter
Brown Base
For sale is a high-performance matched pair of 2 pcs RCA 807 beam power tetrodes. These premium Made in U.S.A. valves feature the highly sought-after Double “Square” Getter construction, Brown Bases, and Clear Glass envelopes. Both units are in New Old Stock (NOS) condition, housed in their iconic original RCA Radiotron red and black boxes, and verified on an Amplitrex AT1000 tester.
- Type: 807 Beam Power Tetrode Brand: RCA
- Condition: NOS in Original Boxes Construction: Double Square Getter / Brown Base
- Origin: Made in U.S.A. Testing: Amplitrex AT1000
Precision Performance Screening: Tested against reference parameters (Ip=72.0, Gm=6000) for the 807 power valve.
Amplitrex Characterized: Both tubes demonstrate excellent plate current (Ip) and transconductance (Gm) output.
Amplitrex Characterized: Both tubes demonstrate excellent plate current (Ip) and transconductance (Gm) output.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|
| 542299 | 72.0 | 75.7 | 105% | 6000 | 5740 | 96% |
| 542317 | 72.0 | 70.9 | 98% | 6000 | 5700 | 95% |
Additional Specs: Tube 542299 Mu: 127.4, RP: 22.2K | Tube 542317 Mu: 126.5, RP: 22.2K.
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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