What Mojo Sounds Like - 1947 Converted Tube PA

Riffraff

Riffraff

Active member
I know this may not be everyone's cup of tea around here in the house of gain but it's definitely different and I think most of you will find it interesting being tube amp junkies.

This is my strangest amp but also one of my favorites, a 1947 Masco MA25P converted tube PA.

I picked it up in all original condition from a local seller. He was an old dude who collected & restored antique radios. He picked this up at a swap meet somewhere and planned to work on it but just never got to it and was thinning the herd as we say. My timing was good that day and I ended up getting it $50.

:cheers:

Since I got such a great deal on it I decided to send it to vintage amp guru Skip Simmons in California to work his magic on it instead of doing the conversion myself. What came back was mind blowing.

I have a lot tube amps and love them all but this one is in a league of it's own.

Here's a sample of it's tone with 3 different guitars plugged straight in, no dirt pedals or boosts. There are a few pics under the hood in this as well for you dudes that like amp porn.

 
I'll remember to do that next time. I wasn't trying to demo it, just trying a few guitars straight in to get a feel for how well it works for recording purposes. It's very Bassman like, sort of Tweed Bassman. Lots of sag and touch sensitivity. It does tighten up and get a little Plexi like if you boost it but I wasn't doing that in this. I was just plugged straight in.
 
Man some amps just leak that mojo in sound and looks and yours nails it. Ive heard multi thousand dollar reissue fenders have less mojo than that. Sustain for days and that chassis is just way ahead of its time in lunchbox size and mojo.

Thanks for sharing!
 
I'm somewhat fascinated by these old PA conversions- breathing new life into old gear. The kind of thing you could have front and center in your living room as a (somewhat deafening) conversation piece.
 
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