almarg
Responses from almarg
| MM Phono Input impedance change 47k to 100k ohms Hi Erik,I don't think it's possible to say without having a schematic and/or being familiar with the details of the design. There could very well be a 47K resistor between the input for each channel and ground, that could be changed to 100K. But e... | |
| Moving coil with a bit less leading edge Great post by Larry, IMO, which per my earlier comments makes perfect sense from a technical standpoint. Particularly given that the EAR phono stage only provides two loading choices for LOMC's, and no choice as to how that loading is allocated be... | |
| How many with analog rigs only? 06-27-12: MechansI am curious about older mediums. Are there any really worthwhile 78 monos still around. What do they sound like on a good rig?If classical symphonic music is of interest, here is one example that is more than worthwhile. Toscanin... | |
| Moving coil with a bit less leading edge I second Peterayer's comments. And I'm surprised that the thread reached nearly 40 posts before the word "loading" was mentioned.The first things that come to my mind upon reading the description of the symptoms are overshoot and ringing. I see th... | |
| 17' unbalanced cable v balanced with ISOMAX Thanks for the clarification, DB. What had particularly confused me was the reference to "Jensen ISOMAX transformers at the amps to transition from XLR to RCA," but I see now that you meant physically near the amps, not electrically connected to t... | |
| XLR to RCA cable Hi Marek,I agree with Albert that using the adapter cable would be unlikely to provide any benefit.Also, the XLR connector on the cable you linked to is the wrong gender. "XLRM" means that it is a male connector, which can also be determined from ... | |
| 17' unbalanced cable v balanced with ISOMAX DB, although I recall our recent related discussion, I'm not sure I understand your question. It seems apparent that you are asking about changing the connections between the outputs of the KUBE and the inputs to the Proceed to unbalanced LC-1 RCA... | |
| Wireless router "contamination" of sound? A follow-up to my previous post: I would not rule out the possibility that RFI (radio frequency interference) or digital noise from the router, unrelated to (and at much lower frequencies than) the wifi signal it broadcasts, could couple into the ... | |
| Will An Attenuator Help Reduce This Hiss? Thanks for the response, Kirk. I see what you are saying. It is not so much the Johnson noise produced by the resistors themselves that is particularly significant (about 1.8 microvolts for your 9700 ohm example, or 1.5 microvolts for the Rothwell... | |
| Will An Attenuator Help Reduce This Hiss? Hi Kirk,Thanks for the characteristically knowledgeable and thoughtful analysis.However, while I recognize that the high source impedance presented by the resistive attenuators may significantly degrade amplifier noise performance in terms of numb... | |
| Wireless router "contamination" of sound? My understanding is that a strong wifi signal, as received by an antenna that is designed to receive wifi frequencies, will be received with a power level in the rough vicinity of -50 dbm. That corresponds to 0.00000001 watts, at frequencies that ... | |
| Boulder 1008 advice on cartridge loading Yes, 100 ohms is too heavy a load (too low a resistance value) for your cartridge to provide good sonics, based on Benz' recommendations and on the cartridge's specified internal impedance of 38 ohms.There will be a small loss of volume as a resul... | |
| Will An Attenuator Help Reduce This Hiss? NGJockey raises a good point about impedance compatibility. According to my not particularly accurate analog multimeter, though, my 10 db Rothwells consist of a resistor of about 22K in series between input and output, and a resistor of about 10K ... | |
| More power for better sound at low volumes? 06-21-12: UnsoundAl, Perhaps erroneously, I would have assumed that "all else being equal" extra power would have provided the muscle to reject external noise from seeping in? Hi Unsound,No, I don't see it that way. Higher amplifier power will loo... | |
| Will An Attenuator Help Reduce This Hiss? Hi Scott,It might help, but I'm not certain. And as Ralph points out some people have reported adverse sonic effects from in-line attenuators, although others have used them successfully. FWIW a while back I had used a pair of 10 db Rothwells at t... |