krelldreams
Responses from krelldreams
| Does anyone care to ask an amplifier designer a technical question? My door is open. @ramtubes. I measured the impedance of my passive across the input to the output as you requested. It measures 1.21kohm, which is as written on the bottom of the case. I opened the case and found an Alps volume pot, two resistors, and wiring. I pl... | |
| Connecting a receiver with a tuner to a Rotel integrated amp Nak pre out to Rotel aux in. Select tuner on Nak, select aux on Rotel, play tuner through Rotel using Rotel speaker outputs | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @atmasphere. Great comment (on hearing)! I believe our hearing mechanism is somewhat of a “moving target”, so to speak. I’ve wondered why sometimes music through my system sounds great to me, and other times, not as good. Even when playing the sam... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @ramtubes. You mentioned, that in the RM 9, two KT120 or KT150 output tubes could be substituted for four EL34s in each channel. Is there an advantage to using fewer higher output tubes as opposed to using double the number of lower output power t... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. I’d like to add this: I appreciate the fact that there are two professionals contributing here, despite the fact that there is tension that’s been created by disagreement. I’m trying to read through the commentary to the points being made, the exa... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. Haha... Nimble Tube-Roller Society! That exchange must have been just before I started buying stereophile (1986). I agree that having the freedom to choose different power tubes for the same amplifier is liberating from an owners standpoint (well,... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. What prompted my question regarding tube types was the discussion in this thread about 6sn7/12au7/6sl7/5751/12ax7 tube type use for preamps and amp inputs. But there is also the question of power output tube choices - el34/6550/kt88/kt120/kt150, e... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. What causes a designer to choose a certain tube type for an audio circuit? Is the circuit designed around a specific tube, or is the best tube type found for the circuit that’s been/being designed? I know there are different electrical properties ... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @ramtubes. I’d like to personally thank you for taking the time to sift through all these messages and provide your input on many of them. There’s a lot of valuable information here. I’d like to thank @atmasphere as well! Differing viewpoints give... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. I wanted to weigh in on the power cord debate. I purchased a few of them several years ago. I did it because so many people were raving about how great they are, including one friend of mine in particular. When I replaced my stock cables, I did so... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @ramtubes. I will measure the Axiom with a meter. Actually, after considering your comments regarding my experience with the passive, I reinstalled it in my system. This time I reduced the gain of my phono preamp, and I’m giving it another go ‘rou... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @clio09. I believe bdp24 was suggesting I consider having Roger build me a passive (for switching and level control), not a phono preamp. In addition to an input for phono, I’d like to have at least two other inputs, and preferably two outputs as ... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @bdp24. I’m thinking that may be exactly the avenue I’d like to explore further. I’m looking at phono preamp options as we speak. I have a very simple passive device, which I did try, but didn’t care for. I am very willing to try other passives t... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @bdp24. All understood. Thanks. I guess the trick is to figure out what’s causing it, why it’s happening, and how to fix it. That’s what I’m hoping to learn more about. I believe that my speakers, my amplifier, and my vinyl playback system are bet... | |
| Does anyone care to ask an amplifier designer a technical question? My door is open. @bdp24 .. I had an older CJ preamp, a PV-8, which sounded as you describe. I replaced that with this one, a Rogue Perseus Magnum. It improved on the sound I was getting from the PV-8 in some areas, but I also felt like there was something missing ... |