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Hello! Could you please recommend speakers for a 300B tube amplifier? I don’t need disco-level volume. My room is large and irregularly shaped, with the living area connected to a hallway. Sometimes I like to turn the volume up, but I also enjoy listening quietly in the background. What speakers do you use?I’d like a clean, clear sound while still enjoying that characteristic tube warmth.
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So, I've built some guitar tube amps in the past and recently a friend donated a Fisher 500-S Stereo receiver. No cabinet. The guts look pristine. Anyway, I've decided to use the iron to build another stereo guitar tube amp based on: A JTM-45 and, a Train Wreck Express. The last one I built and use is based on a Sunn Sceptre power amp design. Which initially Sunn sourced the power amps from Dynaco; as the story goes. The Sceptre was a mono amp so I simply built two channels using a power transformer from an 100 watt amp and Train Wreck output transformers. I use it with an amp modeler and effects unit. Sounds great. The reason I joined the forum is due to my lack of knowledge on how best to integrate the two amps, as well, the tweaks needed to integrate a selected power amp section and…
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Good afternoon, everyone.
I’m currently looking for a good output transformer for an amplifier project and would appreciate some expert advice.
Specifically, I’d like to know:
What key specifications or features should I pay attention to when choosing an output transformer in the budget/mid-range sector?
Which manufacturers offer the best value for money in this price range?
Are there any Chinese brands worth considering that perform well without breaking the bank?
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Did the ultimate 2a3 deluxe amp with the ISO FC-30 transformer ever get built? Did anybody build this amp? The transformer shoot-out showed such good performance from the FC-30 that it makes me curious how such an amp would sound. I’m thinking about building one but I’d love to hear what someone else has to say of the sound produced by this ultimate build. I’m referring to a version with the silver wires, Horizon or EML tubes, RCA drivers, and maybe the alternate rectifier tube. If anyone knows anything concerning the performance of the FC-30 output transformers I’d like to hear what you have to say.
Stephe, I know you’re busy with the listening room and other projects but if you have any other suggestions for substitutions or tweaks from the standard Skunkie Designs 2a3 to the top shelf deluxe 2a3 I would love to get your thoughts. No rush,…
I've built my personal 2A3 with both FC30 and FC12 and at the power level of this amp, I honestly couldn't tell much if any difference, so even my personal amp I went back to FC12S transformers and saving the FC30 for a 300B build. Spend that money to get solid plate EML tubes, I tried the mesh plate 300B 2.5 EML and wasn't impressed. On the rectifier, the 5V4 is what I use as well, not sure where you got the 5U4 was an upgrade?
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hi, everybody! please, I have a question: which fuse should I use on the SE KT88 kegger/blueglow amplifier in europe, on 230 volts grid? thank you in advance for any indication
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Dear Stephe and Group,
I am so glad to have found this group!
Stephe's x7 review convinced me about getting one as my first try to returning to the tube world after 45 years (since I built a tube amp). However I have two questions that you may be able to answer given your huge and invaluable experience. I apologize for asking something that is obviously so subjective but I was hopping the measurable (objective) lessons you have learned may be able to generate a couple of answers :
1. If you had to pick a pre-amp for the X7, what would be some recommendations? Or, a link that discusses this. The dishonest full of garbage jungle that web has become is very unpleasant for me.
2. Have you heard any other amp that has made you happier than the X7?
With appreciation and respect,
Glad to hear about the SP14! I will certainly include it in my short list! BTW your builds look beautiful and sound great per your description of absolute silence ;) !!! Regarding the Enyo 15t DAC, can you say anything about the quality of the audio from the HDMI coming from you streaming sources? I have never used a DAC to feed my pathetic integrated (Denon) amp /receiver because there is no point in feeding a good signal in a bad final stage, but i plan to replace my entire audio chain and my questions and your answers are helping me make some low -risk/reasonable decisions.
Thank You for your responses and photos!!!
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Hi S
This is how a Quad S5 should look inside.
So glad you are feeling better.
Have a great Expona
Regards
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A12
Finally got round to 2nd group of updates on A12.
Went with Rubycon Caps ( inc PC Boards ones ) and the Mundorf Oil Ali for couplers and Vishal Resistors ( all 3W )
Settled on 580k for shadenfrude link.
In all honesty I am shocked how a handful of Resistors and Capacitors can make such a DRAMATIC DIFFERENCE, it now sounds truly amazing.
Currently listening to John Martyn - Solid Air WOW.
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To add to above, I got the A10 on special at £340, spent £80 on parts - so now have a fabulous sounding tube amp ( my first in 60 years ) for £420, quite ridiculous really.
Listening to it now, really does sound good.
Way back in the 80s had really top end gear - Krell, Spectral, AR, Vandersteen, Kiseki, et al.
John
I need them for the shelf.