| Brand | Russian |
|---|---|
| Compatible Brand | Universal |
| Type | Tube |
Check the listing for details. GU-43B RUSSIAN SURPLUS TETRODE AMPLIFIER TUBE #7. Condition: Open box. Listed at 174.95 USD. This tube is similar to the 4CX-1000A tube. It is good up to 100MHz. Output on the HF bands should be around 1.3KW. This tube and others are all Russian surplus power Tetrodes. You will rarely have a problem after that.
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