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The Tung-Sol 7189 pentode tube has been developed for applications in amplifier output stages of high-fidelity amplifiers. Due to its characteristics, it is interchangeable with EL84 and 6BQ5 tubes. However, it differs from the latter by offering a higher maximum plate voltage and power as well as a higher nominal screen voltage. Its robust design for extended life and improved performance make this 7189 tube an excellent solution to replace or improve a tube amplifier.
Production of the original 7189 tubes ended in the early 1980s and they became expensive and difficult to find. Tung-Sol has therefore launched the production of new 7189 tubes with the same technical specifications and performance as the original models.
The Tung-Sol 7189 is sold here by 2 units paired together, allowing to optimize the performances.
Technical characteristics
General | |
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Product type | Power tube |
Type of tube | Pentode |
Heater voltage | 6.3V |
Heater current | 760mA |
Direct Interelectrode capacitances | |
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Input capacitance | 10.8pF |
Output capacitance | 6.5pF |
Plate to Grid #1 | 0.5pF |
Grid #1 to Heater | 0.25pF |