RCA JAN-5R4GY – FULL SET OF 4 PCS
GRADE: PLATINUM SERIES | VINTAGE HEAVY-DUTY FULL-WAVE RECTIFIER TUBES
5R4GY Full-Wave Rectifier
Black Plates
Bottom Double Square Getter
New in White Box
Amplitrex AT1000 Tested
Up for sale is a quad set (4 pieces) of authentic vintage RCA JAN-5R4GY full-wave rectifier vacuum tubes, packed in white boxes. Made in the USA for rugged military specifications, these tubes feature large black plates, sturdy construction, and a bottom double square getter structure. Renowned for their reliability, high voltage capability, and excellent power supply filtering performance in high-end audio amplifiers.All tubes have been tested on an advanced Amplitrex AT1000 system. Forward voltage (FWD) drop and reverse breakdown voltage (REV) measurements alongside percentage performance ratings relative to nominal factory specs are detailed in the table below.
| Serial No. | Diode Section | Forward Voltage Drop (FWD) | Reverse Breakdown Voltage (REV) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % FWD | Ref Spec | Result | % REV | ||
| SR.NO. 4757003 | Section A | 60V | 36V | 60% | 400V | 407V | 102% |
| Section B | 60V | 35V | 58% | 400V | 408V | 102% | |
| SR.NO. 4762001 | Section A | 60V | 31V | 52% | 400V | 410V | 103% |
| Section B | 60V | 32V | 53% | 400V | 412V | 103% | |
| SR.NO. 4757002 | Section A | 60V | 34V | 57% | 400V | 412V | 103% |
| Section B | 60V | 34V | 57% | 400V | 413V | 103% | |
| SR.NO. 4757001 | Section A | 60V | 44V | 73% | 400V | 409V | 102% |
| Section B | 60V | 56V | 93% | 400V | 411V | 103% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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