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Showing results for tags 'dt50 amp'.
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I'm wondering if the master volume on my DT50 is behaving normally. I am using an EMG81 active pickup plugged into the LOW input. I have the amp on topology IV and have the channel volume all the way up. When I slowly increase the master volume, I have to bring it up a bit before I suddenly get a loud signal. Before that threshold there is no signal (relative silence with no guitar signal). I turn the channel volume down and noticed the curve of the master volume's behavior is somewhat the same. I take it past the same (or very close) threshold and suddenly there is a healthy dose of volume. Is that normal behavior for everybody else's amp?
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Last time I played my DT50 head was about 3-4 years ago. It was working fine then. It's been powered off since then and stored inside my house. It hasn't been disturbed in any way. A couple days ago, I tried to power it up again (in standby mode, of course) and it exhibited the following behavior: - Power light turned on for a brief moment, then quickly faded out. - None of the white lights on the front panel indicating what channels and modes are selected lit up. - After a couple minutes, I switched out of standby mode and a bunch of noise came out of the speakers (a single 8 ohm cabinet plugged into one of the 8 ohm outs). I could not hear the sound from my guitar when I strummed it. I also previously verified the guitar and cable are working properly. Other info: - Both externally accessible fuses were/are good (tube protection + IEC fuse). - Power tubes were glowing. - It repeats the same behavior every time I power it on. Anyone have any ideas what could be going wrong? I don't think it's the output transformer (a common issue with these amps, apparently) because the fuses are not blowing.
