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| | |-+  HT Fuse 500mA Blowing after 10 minutes of playing		 « previous next »
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Author Topic: HT Fuse 500mA Blowing after 10 minutes of playing  (Read 7006 times)
jbg
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« on: June 04, 2013, 03:34:31 PM »
My amp has a PPIMV. When I dime the controls and max the PPIMV my HT Fuse (500mA) blows after 10 minutes of playing. However when I run the PPIMV at 50% the amp can be played endlessly.

I have this layout. http://www.ceriatone.com/images/layoutPic/marshallLayout/Plexi50LeadCeriatone.jpg

With a multimeter the reading at HT1 is 433 dcv.

If that reading is fine, could the problem be that the amp is biased too hot?
« Last Edit: June 04, 2013, 04:22:12 PM by jbg » Logged
plasticvonaband
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« Reply #1 on: June 05, 2013, 01:45:03 AM »
could be biased too hot, or the tubes are going out.

Gregg
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Overdrive is like peanut butter. Some like it crunchy, some like it creamy.
Bluesmaster 50 2x12 combo and some guitars.
panuponkz
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« Reply #2 on: August 29, 2016, 12:15:20 PM »
lowing after 10 minutes of playing
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