After connecting:
Guitar Out -> Zoom 802.1u -> BOSS RC-3 -> to the Input of Blackstar HT1-R, it destroys the amp.
The amp only makes rasp Sounds.
I checked the valves - they are all right. I think the input circuit has a damage? Up left corner of the circuit diagram: Any ideas?
http://bit.ly/2f7vHbI
Is there a support forum for techs/engineers?
Do you have a repair plan?
regards
rasp sound
- thephantum
- Posts: 1160
- Joined: Wed Jan 29, 2014 7:42 pm
- Location: Virginia, United States
What do you mean by checked the valves? We're they tested by a calibrated tube tester? And/or did you swap them out for known and validated good ones?
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