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Old 6th July 2014, 08:42 PM   #1471
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Transistors 2N I gave to Scheme.Try and see

Thanks Marc

PS-when you look at it ???
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Old 6th July 2014, 08:49 PM   #1472
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Quote:
Originally Posted by platon.rado View Post
Transistors 2N I gave to Scheme.Try and see

Thanks Marc

PS-when you look at it ???
Yes i take a look allready and allready modify my eagle file. Give my your mail by MP or send me a mail i neither have yours.

Marc
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Old 6th July 2014, 09:00 PM   #1473
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ok..send mail now.
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Old 6th July 2014, 09:07 PM   #1474
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Quote:
Originally Posted by platon.rado View Post
ok..send mail now.
Me too...

Marc
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Old 5th August 2014, 07:44 PM   #1475
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Something's telling me we'll see some progress here soon.
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Old 8th August 2014, 04:48 AM   #1476
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Can I use MJL4281A and MJL4302A in the TSSA amp? I have many of them doing nothing so I want to put them to good use.

Is 4 ohm operation ok for the TSSA?


Thanks
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Old 9th August 2014, 06:02 AM   #1477
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Yes, these outputs are OK. 4 Ohm load is easy to drive with TSSA so you're good to go.
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Old 10th September 2015, 12:22 PM   #1478
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Originally Posted by Ripcord View Post
I finished my little TSSA BJT amp. There are so few parts I probably could of done it P to P but I've been trying to get better at laying out and making pcb'. It sounds pretty good. I'm using 2SC5200/2SA1943 output trans. My power supply is pretty standard, unregulated, 20,000uF per rail, 200va transformer.
Will this amp also handle a little over +-40vdc rail? I'd like to try it-out P2P and house it on this Tube like chassis that I built out of recycled materials. I could replace the BC550C/560C with the higher power BC556B/546B. Any other values that needs adjusting?

Many Thanks!
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Old 10th September 2015, 06:09 PM   #1479
Ripcord is offline Ripcord  United States
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I'm hoping someone more knowledgeable will jump in here. I'm just not sure. I think the purpose of that circuit schematic was to show how simple the TSSA can be but would probably need some support parts to beef it up with higher rails and bigger wattage. Good luck.
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Old 10th September 2015, 06:28 PM   #1480
sonnya is offline sonnya  Denmark
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The basic circuit relies on high class A current. So to perform just decent it should operate at atleast 2A idle ... So rising the voltage to 40v means a lot of heat. Also the arrangement with collector into base of the output device with no basis to emitter Resistor to turn the power transistors fast off would mean slow turn of as soon as it leaves class A.

My tssa v2 to V8 is a lot more complex to keep it all running as you already had figured out. But Then it is possible to run it In class AB without sacrisfying Performance


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