| LABORATORY VERIFIED |
Offered here is a precision-matched pair of vintage RCA 6L6GC power vacuum tubes, featuring the classic Black Long Plate internal structure and Bottom Square Getter. RCA 6L6GC tubes are the gold standard for rich American tone, providing deep lows and sparkling highs for premium audio and guitar applications.
Both tubes have been thoroughly analyzed on the Amplitrex AT1000 digital tester. Following our Percentage Method, the results below show how each tube performs relative to the 100% factory design-center specifications for this tube type (Ip = 72.0mA / Gm = 6000 µMhos).| Serial No. | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|
| 3224002 | 72.0 | 78.8 | 109.4% | 6000 | 6300 | 105% |
| 3224003 | 72.0 | 55.8 | 77.5% | 6000 | 5090 | 84.4% |