hifigeek1

Responses from hifigeek1

ARC SP16 vs SP8
The SP-8 was just below the SP-10 in the product line. It is an expensive proposition to keep the SP-10's phono stage in low noise tubes. The SP-8 had a tube regulator and was more tube sounding than the SP-16. The SP-16 is more accurate and is a ... 
AudioResearch VTM-200
No worries. I understood you...... 
Audio Research D240 Service Manual
Well you should know there are no service manual's for ARC products. Circuit diagrams are only supplied to authorized warranty repair stations. 
MX 110 Troubleshooting
It's caustic so remove it before it eats into the chassis. 
AudioResearch VTM-200
I think you mean tubes. ARC uses the 6550WE's made by Sovtek. The 6N1P are Russian as well. The 6AS7's are Sovtek, but many good American Military versions are also available. 
ARC VM 220 WITH VANDERSTEEN WOOD QUATRO
How many hours are on your output tubes???? 
Anyone talked to Dean from PSE?
I spoke with Dean a few months ago..He is alive and well. 
??slight hum from the speakers ?
It's possible your interconnect cables are running too close to the power transformer on your tube preamp. 
Lazarus Audio any Schematics Anyone?
Are you having an issue with the preamp? 
Audio Research Ref 250s for Magnepan 20.1s?
I would certainly contact the manufacturer and ask them. I'm sure customer service can help you with this. 
Capacitor Size
The reason caps had been able to shrink in size is do in part to over etching the aluminum foil to increase its surface area. When you do that, less foil is needed and the body of the cap can shrink. Up until recently, when compared to their large... 
help with audio resesrch d76
In certain situations a servo ic is used to eliminate coupling caps from one section of a given circuit, utilizing the ic in a feedback loop, usually at the input. Although coupling caps are a necessity in tube products, they do have their own set... 
Capacitor Size
Are you asking about power supply aluminum electrolytic caps or film capacitors??? 
Help to complete a system
I would go with the Naim. Excellent sounding. 
Which is Your Favorite Marantz Amplifier?
I totally forgot about the 2's. They're rather rare. Got to work on them once. It was something special, and bench tested beautifully.