

🎶 Elevate your tone with the tube that jazz and blues legends trust!
The JJ Electronics T-12AT7-JJ is a premium 9-pin ECC81 vacuum preamp tube designed for electric guitar amplifiers. With an amplification factor of 60, it delivers smooth, low-gain tones preferred by blues and jazz musicians. Built in the USA, this low-noise, low-microphonic tube excels in phase inverter and reverb circuits, offering reliable, high-fidelity sound in a compact 9g glass-metal package.
| Product Dimensions | 6.35 x 2.54 x 2.54 cm; 9 g |
| Item model number | T-12AT7-JJ |
| Colour | clear |
| Compatible Devices | Guitar |
| Connector | 6.35mm Jack |
| Material | Glass, metal, potentially ceramic |
| Audio Wattage | 20 Watts |
| Size | 0 |
| Power Source | Corded Electric |
| Item Weight | 9 g |
| Manufacturer | JJ Electronics |
| Country of Origin | USA |
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