20 Most Recent Marshall Amplification Marshall AS50D Acoustic Guitar Amplifier (50 Watts, 2x8 in.) Questions & Answers


https://www.manualslib.com/manual/99237/Marshall-Amplification-Mg15msii.html

Marshall... | Answered on Jan 17, 2019


Make sure speaker cable works and is connected then check fuses. If it has a master volume, make sure it's turned up.

Marshall... | Answered on Jan 08, 2018


Most likely cause for this is an intermittent potentiometer. Check to see if any of them are mechanically loose as this is a sign that they have been damaged and could have cracked the wiper surface inside the pot causing this problem. Alternatively, any switch that controls any gain setting could also be intermittent or dirty. Gain of the amplifier should be stable, but is controlled by the feedback and signal injection at the pots so that is where to look first. Good luck, as intermittent problems are tricky, but sometimes better than no function at all which can be more costly.

Marshall... | Answered on Nov 21, 2017


Hi. Doesn't look like it as the speaker is a 4 ohm one and the head needs at least 8 ohm as far as I can see.

Marshall... | Answered on Aug 08, 2016


What type of Marshall, please?
First of all, control the fuse and let me know.

Marshall... | Answered on Dec 26, 2015


Does anything happen while you turn the knobs on the amp?

I had a similar problem with a yamaha amp. It turned out a couple of knobs went bad. Soldered new pots and it works fine for me now.

Marshall... | Answered on Mar 29, 2015


No, the ATV50 head is rated for 4 ohms total. Using both 4 ohm cabinets at once will fry your amp. Your only option would be to rewire your cabs internally to 16 ohms each by connecting the speakers in parallel, but that would cut your amp's power in half.

Marshall... | Answered on Jan 25, 2015


No, the ATV50 head is rated for 4 ohms total. Using both 4 ohm cabinets at once will fry your amp.

Marshall... | Answered on Jan 25, 2015


Some Marshall serial numbers might tell you the year your 3005 was made, Marshall stamped the different years of the micro's in different spots, your number could either be on the back metal plate stamped right above the AC power cable port, or barely visible on the front gold plate above the power switch just under the Tolex, at least that's where my 1988 3005's serial number is stamped. But it should have one on it somewhere, could even be inside the head too, my sis plays and has an old 1977 50watt tube head with an interior serial number. I've been a huge fan of the Micro stacks since they came out in the mid-80's. I believe the 3005's were only produced from 1985 or so till around 1988 or 89 in Black, White, Red, Orange, Blue, Purple, and Grey, a Camo Tolex was a custom option as far as I remember. 1987 was Marshall's Silver 25th Anniversary, so a Silver Tolex Jubilee edition was made that year only. Than the newer MG15-II's were made from around 2004 till 2010 along with the Zakk Wylde signature series micro stack,. And now they make the newer MGD's since 2010, I just tried one last week at my local guitar shop, I liked it a lot, it's very different sounding than my old 1988 or my 2009 micro's and has a few built in effects which weren't great, but not that bad at all, I have a 1988 3005 stack that came with Celestion G-10's in the cabs and an MG15-II series micro stacks, that one came with some no name 10's, but believe it or not they sound better than the G-10's! Mine are all in black, I have been after an original micro stack in white for many years.Did your old 1x10 cabs come with Celestions too?

Marshall... | Answered on Apr 24, 2014


Open the cabinet (remove back panel). Either a wire came loose or one of those 2 speakers is blown.

Marshall... | Answered on Apr 15, 2014

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