porcy62 Posted January 12, 2007 Report Posted January 12, 2007 I am very happy with the sound of my Audio Research preamp, but it lacks a mono/stereo switcher, its only fault. In the last years my main source of listening are old records, often mono, I am asking myself how much improvement in term of noise reduction I could have with a preamp with mono switcher. I know that in Steve Hoffman forum they discussed it several times, and the cheapest way would be a Y connection, but I don't want to spend my time connecting and disconneting cables, for every record I listen to, an operation that in the long term can damage the connections of the cables. Any opinion? Quote
Dig'Em Posted January 12, 2007 Report Posted January 12, 2007 Mono stereo and, best yet, reverse. And I use this switch often. Quote
JohnS Posted January 12, 2007 Report Posted January 12, 2007 No but I miss the facility. The mono/stereo switch was especially useful on those fake reprocessed for stereo records which often sounded awful in the normal stereo mode. Quote
porcy62 Posted January 12, 2007 Author Report Posted January 12, 2007 Mono stereo and, best yet, reverse. And I use this switch often. I think only old amps and today's MacIntosh amps use to have such facility. I agree, I have some mono records that are awfully noisy on one channel only, the old Beatles records I have for example. I always thought it would have been great to fit the best channel in both channels Quote
Teasing the Korean Posted January 12, 2007 Report Posted January 12, 2007 Mono playback of mono records reduces surface noise and groove distortion, especially toward the inner groove. I have a mono switch on my amplifier. Before that, I used the Y converter and it was a pain, but worth it. If you have an independent EQ unit, there should be a way to wire it so you get mono when you throw one of the switches. Quote
Jim Alfredson Posted January 12, 2007 Report Posted January 12, 2007 My beloved Adcom GFP-750 had stereo/mono/reverse switching on it. I miss her. Quote
Clunky Posted January 12, 2007 Report Posted January 12, 2007 my 2 year old Sugden A21a integrated class A amp has a mono switch, I find it very useful for playback on mono LPs where it has noticeable effect on noise level. Quote
porcy62 Posted January 12, 2007 Author Report Posted January 12, 2007 my 2 year old Sugden A21a integrated class A amp has a mono switch, I find it very useful for playback on mono LPs where it has noticeable effect on noise level. I'll think they will add the facility to every so called 'high end' stuff in the new products, considering the vinyl resurrection. They already started to add a phono section! Quote
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