RCA
RCA 6SN7GTB Vacuum Tube
$75.00 USDPay Over Time
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Features
Lush midrange with an open, spacious soundstage
Delicate, extended highs paired with well-defined bass
Black plate RCA variants known for exceptional quietness and detail
Liquid, immersive presentation with exceptional clarity
Balanced, organic sound signature suited to input, driver, and phase inverter stages
Solid vintage RCA construction for reliable, long-lasting performance
What's in the Box?
Warranty
The RCA 6SN7GTB is a revered dual triode tube, celebrated by audiophiles for its unique ability to deliver a smooth, natural, and incredibly musical sound. Unlike some of its contemporaries, RCA 6SN7GTBs are often characterized by a "lush" midrange, a remarkably open soundstage, and delicate, extended highs, all underpinned by a well-defined bass. Many consider the RCA variants, especially those with black plates, to be among the quietest and most detailed 6SN7s available, offering a truly immersive listening experience with exceptional clarity and a liquid presentation. Their solid construction, a hallmark of vintage RCA tubes, ensures reliable performance and a long lifespan.
For the discerning audio enthusiast seeking to unlock the full potential of their tube amplifier or preamplifier, the RCA 6SN7GTB is an essential upgrade. Its balanced and organic sound signature makes it a versatile choice for a wide array of audio applications, from input and driver stages to phase inverters. If you crave a sound that is both articulate and effortlessly musical, with rich harmonics and a spacious soundstage that draws you into the recording, the RCA 6SN7GTB will not disappoint. Investing in this classic tube means embracing a legacy of sonic excellence and enjoying a truly captivating audio journey.
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Tube Type | Dual Triode |
| Base Type | Octal, 8-Pin |
| Envelope | ST-Shaped Glass |
| Height | 4.5" (114mm) |
| Diameter | 1.57" (40mm) |
| Technical Specifications | |
| Amplification Factor (mu) | 20 |
| Plate Resistance | 7,700 Ohms |
| Transconductance | 2,600 µmhos |
| Max Plate Voltage | 450V |
| Max Plate Dissipation (per section) | 5W |
| Max Plate Current | 20mA |
| Power Specifications | |
| Filament Voltage | 6.3V AC/DC |
| Filament Current | 0.6A (series) / 0.3A (parallel) |
| Heater Power Consumption | ~3.8W |
| Additional Information | |
| Manufacturer | RCA |
| Typical Applications | Preamplifier input/driver stages, phase inverters |
| Compatible / Equivalent Types | 6SN7GT, 6SN7, ECC32/CV181 (with circuit consideration) |
| Sonic Characteristics | Lush midrange, open soundstage, extended delicate highs, well-defined bass |