atmasphere
Responses from atmasphere
| Balanced v unbalanced input to Ayre preamps 600 ohms is still used, on account of the fact that there is still a lot of vintage professional gear in service, in fact many studios like to advertise that they have such (tube) equipment. So usually modern gear is designed to support that opera... | |
| Preamp issue? ^^ What reubent said. Swapping the interconnect cables left for right is your first step, otherwise you don't know if its the preamp or the amps. | |
| New Technics SL 1200 GAE May I inquire if you actually drilled into the top 10mil aluminum plate in order to mount that arm?One hole is drilled into the original plinth. The other two are on the armboard we fabricated. | |
| New Technics SL 1200 GAE That's Super!!! I would be interested in the details! Especially the music. Kept wondering if you really accomplished it. I would think that this will impact All TTs.Can you give me hint at cost beside TT and Triplanar ???@nkonor take a look at ... | |
| Balanced v unbalanced input to Ayre preamps ^^ Right! | |
| Slight hum in my amp. Is this normal? I explained again that it was loudest when you first power it up then the hum diminishes after a few seconds but is still audible. He wants to keep power applied to it and observe.Another thing I just remembered and haven't mentioned, since the... | |
| Balanced v unbalanced input to Ayre preamps Can someone explain why handling a 600 ohm load is a critical factor for making cables used in balanced lines sonically a non-issue? It's not related to CMRR then, right?These days 600 ohms is no longer the standard (although since transformers ... | |
| Class D is just Dandy! Don't even need a working amplifier to try this, just hook up two tubes and have them switch back and forth as you suggest. Please post the pics of the results. By pics, I mean of the smoke. :) Class D was first proposed in the 1940s. The proble... | |
| Amps Atma-Sphere M-60 Mono blocks OTL design Driving easier speaker loads (high impedance) should be beneficial for all types of amplifiers and not limited to just tube power amplifiers. Charles+1 It continues to amaze me how many people don't get this basic fact! | |
| Class D is just Dandy! You can use a Tube stage to slow down the signal or other circuit designs in solid stage to do that as well. Agreed- **and** FWIW, there does not have to be anything slow about tubes. Keep in mind that in order for color TV to have existed, tubes ... | |
| Amps Atma-Sphere M-60 Mono blocks OTL design Good!How do you have them wired? | |
| Slight hum in my amp. Is this normal? ^^ Yes- and that is what we are dealing with when the power transformer in most audio equipment is involved. Its best to block the DC prior to a transformer- otherwise you have to use a very sophisticated power conditioner! | |
| Slight hum in my amp. Is this normal? @almarg , that's true, and if you look at my initial post I mentioned that DC on the line can also be interpreted as a 2nd harmonic. Its pretty clear that filtering using a transformer is an inefficient method; a DC blocker is a lot cheaper!FWIW, ... | |
| Amps Atma-Sphere M-60 Mono blocks OTL design If you put the ZERO after the crossovers then the crossovers won't be operating the way they were supposed to. So before.Now if I got this right, your speakers are home made? Could you build 16-ohm speakers? Then no need for the ZEROs at all. | |
| Slight hum in my amp. Is this normal? @jea48 , I thought I did. One more try:DC on the line occurs when 1/2 of the AC line (for example, positive going portion of the AC waveform) is loaded while the other half is not.Space heaters or hair dryers on half power do just exactly that. So... |