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If anyone has a schematic for a 2a3 amp that they have built and it sounds great please let me know, I've been looking to build a nice one of these and have searched the web but didn't find much. Thank you.
DIY 2A3 Preamp
HiI want to DIY 2A3/6A3 preampI want to know my schematic is work or notAttached the schematics of power amp and preamp Please give some suggestions to meThank you !
Tsakiridis Achilles 2A3 Schematic wanted.
I'm looking for a schematic for a Tsakiridis Achilles 2A3, I received this pair of amps for repair but nothing is original anymore. Original it has: 2A3, 6SL7, 6L6, but is now equipped with 2A3 and 2 6SL7's in parallel (????).6L6 is gone but I suspect it was used for B+ stabilization.Some det...
6SL7-2A3 Loftin white
HelloI'm new to forum, my knowledge in electronics is minimal, I am electrician,I would like to ask if anyone from forum has created the amplifier 6SL7-2A3 Loftin White tell me his impressions about the sound and if you can replace the hum pot 50?/2,5Watt with 100?/2,5Watt?Thank you
2a3 loftin white / grid choke question
Would there be any benefit in replacing the 390k grid resistor on the 2a3 schematic on this site wth a 680H grid choke? Would that be applicable in this case? I have two on hand that I had bought for another project but just never used them, so would kind of like to use them in something.
question about 2a3 loftin white amp schematic
Taking a look at the 2a3 loftin white schematic located in the hi-fi schematics on this site, the plate voltage is 395v. Taking a look at the data sheet for the 2a3, for a single tube the max is 300v and typical 250v. Why are they running the plate voltage so high here and isn't it in danger of...
JE Labs 2A3 : which is your favorite version ?
Hi All, Over the years, JE Labs (via Angela Instrument) has published several versions of his simple 2A3, 2A3/45 schematic. I didn't take my decision at this moment, that's why i'd like to know wich of all those versions is/are your favorite. Thanks in advance for your useful inp...
2a3 PP Grid Bias
Hello All, I'm about done wiring a Brook 12a clone and cant seem to get the required 2a3 bias (-67 VDC per the schematic). With the 2a3 plates at ~330 VDC, I am only seeing about -8 VDC on pin 3. The original schematic has a bias filter cap reversed, and that has been addressed in my bu...
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