I also have NEW volume control available for this and many other units. Four matched tubes, testing 100%, strong (8,500 to 9,000 uMhos) on a calibrated Hickok 539c tube tester.Tight base, no gas or shorts, excellent condition. All tubes are tested and guaranteed. The item "4 x Matched FISHER 7591A Tubes Strong and Matched" is in sale since Wednesday, March 27, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps".
The seller is "hifiaudio_com" and is located in Brooklyn, New York. This item can be shipped worldwide.