 
|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
|
|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
76.168.148.94
About a month ago my Audio Research SP16 developed an intermittent problem. Upon power up, after the unit comes out of standby and I unmute it, sometimes the right channel does not come in. It usually eventually does, sometimes within a minute or so, sometimes hours later, sometimes it just plain doesn't. Some days it works fine, though, and there's no real rhyme or reason to when and why it works and doesn't. Before I bite the bullet (it's out of warranty) and send it to ARC for service, I'm wondering if anyone has any suggestions as to what I might try to fix the problem. I know that the preamp's microprocessor controlled and I believe most of the switches are sealed. I did try retubing without success, and checked all my RCA connections. Thanks in advance.
Follow Ups:
It could be a relay or something else like bad solder joint. Have you tried tapping the preamp on top and side to see if this cause the one channel to start to work? Is there any hum noise you hear along with this intermittent problem? Does moving the balance, volume, or selector controls have a affect on this problem. Sometime ARC's have power supply problems so my next question is are the tubes in the right channel lit when the channel goes out? hope this helps.
sure sounds like a relay problem. I have not owned Audio Research gear for years, but remember them as being very helpful over the phone and for service.
Thanks to both of you for responding. Yes, I've tried tapping on the unit, swapping tubes, checking different inputs (the SP16 does not have a balance control), all to no avail.I believe it's a relay issue as well. But since I have absolutely no tech or DIY skills, maybe one of you knows the answer -- the SP16 has sealed microprocessor controlled switches, and the consensus seems to be the problem is with a relay. Where might the "relay" be located? If it's outside of the switches and somewhere on the board, there's an ARC certified tech here locally who might be able to fix the problem without me having to ship the unit to MN. Thanks in advance.
I would need a schematic. Call ARC for some pointers.
Audio Research Corporation
3900 Annapolis Lane North
Plymouth, Minnesota USA 55447-5447
Phone: 763-577-9700 Fax: 763-577-0323
This post is made possible by the generous support of people like you and our sponsors:
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2025, Audio Asylum, all rights reserved ]
