lewm

Responses from lewm

Any Herron VTPH-2 Phono Stage Owners out there?
Bpoletti and Rsrex, I stand corrected. I went to the Herron website, and I do see that the VTPH2 sports separate MM and MC inputs, plus the load at the MC input can be easily varied by using plug-in resistor modules. FWIW, I recently was rather su... 
Phono stage w/automatic Load-Impedanance.
Allen Wright wrote in his Preamp Cookbook that he could hear the difference when his RTP phono stage was "rolled off" at 750,000 Hz, vs when he fixed the problem allowing it to go much higher in frequency. Of course, that kind of subjective statem... 
List of Audio Tube Measured Noise Performance
I don't get this. Noise from tubes is in my experience a variable related to sampling, and of course high gain tubes will tend to have more noise those that afford less gain, when used in a gain stage. Then too, the circuit design is critical and ... 
Direct Drive turntables
Cjaronica, This is not to dispute your logic in ending up with a TTW turntable, but a turntable per se is not going to exaggerate "record surface noise". That phenomenon is typically due to the phono stage, the cartridge/tonearm combination, cartr... 
Any Herron VTPH-2 Phono Stage Owners out there?
Just a technical note that will be obvious to most: I take it from reading these posts that the VTPH2 is set up for medium output MC cartridges (e.g., >0.4mV output). As such, the phono load resistance is probably set for some low value (compar... 
Which phono preamps among these three?
Re the standard bone stock non-Signature version of the Rhea: I am a fairly advanced DIY guy. From where I sit, the Rhea uses pedestrian REL polypropylene and metallized polypropylene capacitors at critical points in the circuit. Indeed, my inheri... 
Any Herron VTPH-2 Phono Stage Owners out there?
Chuck, Do you prefer the VTPH2 to your solid state phono stage, the one we've both heard?BPoletti, I do not in any way begrudge you your love of the Herron phono stage. Was just pointing out to the OP that you are obviously the most knowledgeable ... 
Which phono preamps among these three?
I hate it when an OP asks for opinions about a particular component or asks for comparisons between two or among three components, and THEN the responders suggest other completely different options. But, yes, I'm guilty. I agree with Shakey. You m... 
MC Phono preamp gains
Did not know about JA's measurement. Thanks. I have not poked around in the line stage section of the Janus, as mine works fine. On the other hand, I did something to the L channel of the phono stage that I cannot seem to fix, which is why I was t... 
Any Herron VTPH-2 Phono Stage Owners out there?
Where is BPoletti now that you need him? He is "Mr. Herron" around here. 
MC Phono preamp gains
Almarg, Re your comments on the Rhea. I own a Janus, recently inherited from the estate of a friend. I was poking around in it, and it seems that the output from its phono section is a 6992 used as a plate-follower, rather than as a cathode follow... 
Koetsu Jade v SPU classic v FR 7 fz cartidges
I had come to believe that the "B" in AV101B, stands for Black, as opposed to Silver color. 
Why do MM cartridges amplify more surface noise??
Doug, I use small cans of Mandarin Orange slices in water, Del Monte brand only. The secret is to place a tiptoe between the bottom of the can and the shelf. Two of my turntables that are mounted in slate plinths are supported in this fashion. I'm... 
Who needs a MM cartridge type when we have MC?
Dear Nandric, Is it possible for you to weigh your heaviest Orsonic and let me/us know the result? I would be curious to know how it compares to my two AV101s. Let us know whether you weight with vs without the detachable yoke to which the cartrid... 
Why so few balanced phono inputs?
I agree that balanced connection is not per se necessary for superb sound reproduction. But where do you get the "110 ohm vs 75 ohm" idea? The impedance in a typical audio system will be only be that which is reflected by the interconnect, dependi...