Blackstar pedal HT-dual


Hy i would like to know if a could use this pedal on my Marshal JCM 900 4100?

This is a valve pedal!

I use yestarday, between guitar and imput, so the  fuse valve melt.

Could you clarify this for mee?

I change the fuse and the head is perfect

Thank you

asked 24 Oct 2016 at 12:53 PM

Ricardo Aguilar Jr
Answers: 2


Hello Ricardo,

Having never tried this particular pedal with the 4100, we cannot say whether it will work or not. If it is a distortion or overdrive pedal it should not cause any problems , if however it blew the fuse in your amplifier when used may suggest the pedal is faulty or not compatiable.

answered 25 Oct 2016 at 12:41 PM



A distortion pedal will not cause your fuse to blow.. period.    Sometimes fuses do just blow.  If you're blowing more than one fuse, I suggest taking your amp to a qualified repair shop.  Constantly blown fuses indicate a bigger problem.

answered 14 Feb 2017 at 05:27 PM

Matt Smith
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