Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: Redfishbum on December 26, 2016, 02:14:39 pm
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Greetings! I've searched the website but have not found something similar to my situation...I'm sure this is a repeat, if so, can you direct me to that thread?
I just finished a build and have been testing everything. All my voltages are looking good and I have been able to see that I have signal using a scope and a signal generator at all points, including speaker. I plugged in the guitar, and no sound. I hooked up the scope again and the signal is on the scope but no sound. I then touched a ground wire to the neg terminal of the speaker and then it sounded outstanding..
I get signal but no speaker sound. So I know that I have a grounding issue but can't seem to find it. I've checked my connections for continuity and they are continuous.
Thoughts would be appreciated.
Thanks!
Bart
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Check speaker jack.
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If I would slow down and check the obvious. When I ordered my parts, I thought that I had an male 1/4" input.....but I did not have an extra. I took a trip to a local music shop that has some switchcraft parts. Looks like I got the wrong one as it has an extra isolator ring on the male end. I believe that I have found my problem. Thanks!
Bart