atmasphere
Responses from atmasphere
| Triode or Ultra-linear? Why? Ultra linear is supposed to have similar linearity to triode, but in my experience, there is no substitute for actual triodes. | |
| Hum problem Thanks- sounds like the relay is a secondary problem. The hum is nothing to do with the relay though. Its a process of the amplifier's operation. If you've already played with the tubes, then the filter caps are still on the table. | |
| Preamp @dskinner5 if you are looking for a balanced tube preamp, I would not limit yourself to ARC. I'm very sure you can do better and for less $ | |
| Hum problem As I alluded to these two items earlier(caps & grounds), and you have been more specific as to which caps, wouldn’t those devices which have physical movement associated with their functionality be more suspect for abnormal operation of th... | |
| Hum problem The problem is not the feedback switch. The hum changes because with increased feedback, some of the hum is wiped out.The hum is independent of tubes, so right now its sounding like you have filter capacitors in the power supply that are failing. ... | |
| Are future improvements in Amp/PreAmps slowing to a crawl? ...applies some positive phase second order distortion through the NFB loop balance to warm the sound up and open up the stage. Translation: without adding second order - the raw circuit is "cool " sounding and has a narrow or restricted sound st... | |
| Low output gain amplifier for ZU 101db Efficient speakers Hiss at the tweeter is normal for any system of that efficiency. Glad you got it sorted! | |
| Switching to solid state amp? Ralph the amps are about 15 years old. These are George Wright Sugnature amps. Very nice when they work.George (may he rest in peace) was pretty competent and there should be no reason to think that the amps can't be refurbished properly. If you... | |
| Planar ribbon speaker and Tubes Not working Please help! Tubes + ESL's...Not good! ESL's can dip to 1/2 an ohm! They need pure solid state muscle to drive them correctly...Your PL's don't have it.Just a FWIW- in this case a magnetic planar is being used. @audiogurujax I would see if you can borrow a se... | |
| Switching from solid state to tubes The front channels are the dominant channels- its not silly at all to use tubes for that. Have you tried a tube amp on your Sonus Fabers? I suspect you will want to use the 4 ohm taps.The problem you have is that a good tube amp that sounds musica... | |
| Are future improvements in Amp/PreAmps slowing to a crawl? Thanks, I appreciate your letting me know what I'm doing wrong. I don't want anyone to think that there is actual snake oil under the hood.Thinking it and Being it are two different things. No-one wants people to think there is snake oil in their... | |
| Loud popping sounds after warm-up I doubt that its a filter capacitor or output device. Popping is not a symptom of either in failure mode! A bad solderjoint is far more likely. | |
| Planar ribbon speaker and Tubes Not working Please help! Are you certain the impedance is that high? Your comments suggest that the tweeter impedance is lower than you think.Check the speaker and see if there is a choke in series with the woofer panel. If not, its impedance is in parallel with that of t... | |
| Are future improvements in Amp/PreAmps slowing to a crawl? @roger_paul How do you know your circuit works??I ask simply because in the past you've not indicated that you have any means of quantifying this timing thing you talk about. Just so you know, that's a bit of Red Flag. | |
| Switching to solid state amp? Ralph I had my current amps worked on recently and one of them came back dead. So not reliable. I will need to replace.'Dead' is usually something simple! If the amp was just serviced and was dead upon arrival, it could also be something simple f... |