I know there are other tests that can be run and I think they were trying to simplify things for me. I originally wanted Andy at Vintage Tube Services to test them, but he never got back to me. I'm not going to take this any further. The tubes tested good and they sound good and that's enough for me. Tubes are like analog - you can spend your life agonizing over whether every parameter is perfect or you can get it in the ballpark and just enjoy. IMO, if you're going to sit around wondering whether the 45 possible measurements are all perfect, you should go with solid state because even if they're perfect today, they may not be tomorrow.
Tube test numbers - what exactly do they mean
I recently sent 2 pairs of 845 tubes to Tube Depot for testing, just to see if they were still good. They sounded ok, but one pair was 10 years old and one about 4-5. They both came back marked 70/200. What does that mean exactly? Another pair of 845s I had were marked 130 on the box. I'm sure you guys must know.
Thanks.
Thanks.
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