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#1
05-14-2017, 10:01 PM
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REF150 amp just blew two small resistors
Well, my used REF150 amp just blew two small resistors in its left channel.
 I have attached a photo of the left channel. Anyone know the significance of these resistors? The fuse did not blow but I turned off the amp immediately. I don't know if I should turn it back on to check the bias on the tubes. The tubes have slightly less than 1600 hours and the last time I checked the bias which was during my last listening session, the bias was just slightly below 65mV on the master tubes. . . . .
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Digital W4S DAC-2v2SE, W4S Recovery powered by Uptone Audio LPS-1, OPPO BDP-105; Office: iFi micro iDAC2 Home Office: iFi nano iDSD with iPurifier2 Analog Rega Planar 2 (original) heavily modified; Benz Micro Ace; Aesthetix Rhea phono pre-amp Pre-amp/amp Audio Research REF 5SE, Audio Research REF 150, Martin Logan SL3s, Shunyata Research power cords throughout Last edited by jdandy; 05-14-2017 at 10:30 PM. Reason: enlarge photo 
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