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i don't know anything about these. picked them up at a thrift store. best i can tell, these are modified ST-120 amps that are converted to mono...bridged somehow? someone did a very nice job, beautiful work. they sound wonderful, but i don't feel comfortable running them as there is noticeable ground hum through the speakers. any thoughts on what might be going on here? what are these things?
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Topic - please help identify mystery DIY mono amps on dynaco ST-120 chassis - Mr Blue Sky 19:30:06 01/03/21 (10)
- thanks for all the great replies... - Mr Blue Sky 14:34:44 01/09/21 (1)
- Buy the Update my Dynaco kit(s) Or... - bare 10:31:42 01/16/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - Mike B. 09:15:56 01/05/21 (1)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - rlr274 09:49:49 01/05/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - moray james 04:34:19 01/04/21 (1)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - 6bq5 10:12:03 01/04/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - Story 02:15:29 01/04/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - Mr Blue Sky 19:34:27 01/03/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - Mr Blue Sky 19:33:30 01/03/21 (0)
- RE: please help identify mystery DIY mono amps on dynaco ST-120 chassis - Mr Blue Sky 19:31:27 01/03/21 (0)