marshall bass stack

hpharley90

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From 1987 to about 1991 I was a roadie for my friends 3 piece band. Guitar player had 70's 4 hole super lead full stack. The bass player had a Marshall bass stack that I picked up at the music store brand new 1988.
I'm looking for info on said amp just for my curiosity because I can't find anything on amp myself.
I'll give a description on what I remember because I was moving them.
It was a full stack head and two cabs. Both cabs were about same size as a 1960a/b height and width but the bass cabs had more depth. At least 3 inches deeper than a 1960b cab. And both cabs were straight. No angled cab. Bottom cab was a 15" and top cab had 4x12"s. Oh and this cab was very heavy..
I'm pretty sure head was solid state and I think was 400 watts.
Can anyone help me out with maybe pictures or info?
 

Dino Boreanaz

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The Integrated Bass System (IBS) is from that era and there are a few items in this series that match your description.

The 1551 and 1552 are both 2x15 cabs with the difference being the specific speakers and power handling. The 1510 is a 4x10, the 1520 is a 4x12, the 1580 is a 1x18, and the 1553 is a 1x15 plus 2x10. All of these cabs are straight and share the same dimensions at 75.5 x 74.5 x 44.5 cm (29.75" x 29.35" x 17.5") which is very close to the height and width of a 1960 but, as you mentioned, much deeper. There's also a single 15" cabinet (the 1550), but it's much smaller than the others.

There were three heads in this series, the 3510, 3520, and 3540 which had 100W, 200W, and 400W output respectively, all are solid state. The 3520 and 3540 share the same front panel controls with a 5 band EQ section, contour, boost, and separate treble and bass volume controls. The 3510 does not have boost and it has a single master volume.

I recently bought a 3520 and have really been enjoying playing it through a sealed 2x10 cabinet. Lots of versatility in the EQ and great clean and overdriven tones.
 

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