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Amp/Preamp Asylum Looking for a new Amp or Preamp? If you're after tubes, post over here. |
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Amp/Preamp Asylum Looking for a new Amp or Preamp? If you're after tubes, post over here. |
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I just acquired a pair of tube monoblock amps and connected it to my Spatial speakers. From the first notes, it was clear that the speakers were out of phase, i.e. no center image; it was as if each speaker was playing a mono recording. My ears felt a very odd sensation (and pressure and discomfort).
First, I made sure all the connections were correct. Next, I tried the phase inversion switch on my preamp. Then I reversed polarity on the amps' speaker taps. Nothing worked. Finally, after much frustration, I tried reversing polarity on just the left amp speaker taps, and voila, it worked. (I haven't tried reversing only the right amp yet.)
What could cause this? Is something reversed within the amp itself? If so, that doesn't explain why the previous owner didn't experience the same problem. Using the same source, preamp, cables and speakers, none of my other amps cause this problem.
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Topic - Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - givemevinyl 20:07:56 04/19/15 (13)
- Larry I called it below, get the amp fixed nt - Ralph 11:29:06 04/20/15 (0)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - Inmate51 08:08:04 04/20/15 (0)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - Self-Inflicted 05:50:28 04/20/15 (3)
- I confirmed that it's with either amp. - givemevinyl 07:19:03 04/20/15 (2)
- RE: I confirmed that it's with either amp. - Caucasian Blackplate 10:38:17 04/20/15 (0)
- RE: I confirmed that it's with either amp. - Self-Inflicted 08:24:23 04/20/15 (0)
- I've seen this before. - Larry I 05:45:09 04/20/15 (1)
- RE: I've seen this before. - pictureguy 15:30:52 04/25/15 (0)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - Caucasian Blackplate 22:38:15 04/19/15 (0)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - geezerrocket 20:53:53 04/19/15 (3)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - givemevinyl 01:29:45 04/20/15 (2)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - SgreenP@MSN.com 15:45:18 04/25/15 (0)
- RE: Just acquired tube monoblocks. Now my speakers are suddenly out-of-phase. - Palustris 08:11:07 04/20/15 (0)
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