No additional testing or research was done.The tubes are as follows:1 x 12ax7 with brand worn off1 x 12ax7 CBS2 x 6au6(?) brand worn off but were made in Gr.
At 50 volts the tubes started glowing, but when I hit about 70 volts it blew the main fuse. The cosmetics are pretty good although it's quite dirty. 1960's 15WPC integrated amp being sold AS IS for parts or repair. Honestly, the restoration work and tubes alone are worth more than what you bought it for, so feel confident that you got a great deal.Item: 233116630248 Heathkit SA-2 Tube Integrated amp - AS IS for parts or repair. It is a great intro amp to vintage tube amplifiers. The signal caps have all been replaced with new caps of the same value. New higher capacity caps have been used under the chassis to beef up the power supply (it is good to go with higher values for power supply filter caps, as it greatly helps performance and does not change the audio circuit like changing the signal path cap values will do). They have been cut out of the circuit, yet left in place to keep the original look of the amplifier. "Yes, the can cap power supply capacitors have all been replaced. I have experience shipping tube amps, and it will be packaged properly and with care." It should make an excellent addition to any audiophile's vintage tube amp collection. It needs nothing that I am aware of, and plays excellently. This amplifier has no hum and great channel separation/balance. Heathkit Mullard 5AR4 (great lettering) Heathkit Mullard 6AU6 x2 (excellent lettering) Heathkit Mullard 12AX7 x2 (excellent lettering) (phono stage) All signal tubes are vintage and tested New matching quad of Sovotek EL84 tubes Replaced and upgraded the power supply capacitors This particular amplifier has been restored and has had the following done: The SA-2 is an early stereo tube amplifier made by Heathkit that utilizes EL84/6BQ5 output tubes and Heathkit's famous ultra linear transformers. Up for sale is my Heathkit SA-2 stereo tube amplifier. Here's the text from the eBay ad, listing the restoration work: Oh, it was shipped with the tubes in it and a few had come part way loose during shipping, but appear to be okay. Would be surprised if he didn't clean the tube sockets, but you never know. Likely a poor tube connection or tube going out? Or cold solder joint? I'm thinking tube. Today, one of the channels has dropped out or become much 's working fine right now. Within the last few days, it has developed occasional static. At first, running on 110V, it sounded like crap, and I was bummed.Īfter turning my regulator up to 120V, it sounded much better! Whew!Įverything was great for a week or so.
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