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Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. |
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In Reply to: RE: Adcom GTP-400 Arrived posted by E-Stat on July 23, 2016 at 09:27:10:
The difference in stage width by itself isn't unusual; but coupled with the rather weak bass, it set off alarms. I was blaming the amp; but the Adcom GPA-400 makes it clear, the amp is fine.
The Rotel RB1050 is dual mono; but the input impedance is 18k ohms. Not super low. Both preamps are spec'd at a 100 ohm output impedance, so they should handle 18k easily. But if the amp's impedance changes a lot in the low bass, from maybe a too small coupling cap it would act like a high pass filter. I've got the schematic, so I have to check that.
Jerry
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Follow Ups
- RE: Adcom GTP-400 Arrived - Bold Eagle 12:26:05 07/23/16 (3)
- Question - E-Stat 13:48:19 07/23/16 (2)
- RE: Question - Bold Eagle 17:24:35 07/23/16 (1)
- RE: Question - E-Stat 18:27:59 07/23/16 (0)
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