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I call it the quot;chicken headquot; because of the knobs- an unfortunate contact cleaner accident completely dissolved the knobs a few years ago...

This amp was made probably prior to 1988- as the Guitar World buyers guide for 1988 has the 400x400. This particular one has been modded to hell (before I got it). Supposedly it's set up to run 600w into 2 ohms mono.

You can see where it's had the biamp and master volumes removed from it.From the back you'll see the very hot DI, and the outputs- and yes, it came with banana jacks out.This is where things get scary. Look at the size of that transformer. It's frickin' massive. The amp weighs around 36 pounds, if I remember right. Most of it is in that transformer. Notice the 6quot; fan at the far end. Depending on which way the on/off switch is toggled, it'll either draw air out or force air into the amp. When the cover is on there is a slot above the fins that air passes through, and most of the fins are covered- about half an inch of fins show. That fan moves massive amounts of air.
I've owned this amp for around 10 years or so, and I have another one that's much more quot;stockquot; than this one. The other one will run 600w up to 2.67 ohms bridged, or 300w per channel dual mono or biamped.

They're really cool heads, I got both of mine really cheap, and I'd imagine they're some of the first really high power solid state bass amps.

cool stuff... I've run across a few quot;convertiblequot; Duncan amps. Never found one that looked clean enough to consider.

Impressive.. Whoa.. I'm diggin' the VU meter! (Power level leds)

Nice red T/A. Oh....

Cool amp. I've heard about the Duncan guitar amps but have never gotten to try one out. Is that a main part of your bass sound?


Originally Posted by PFDarksideNice red T/A. Oh....

Cool amp. I've heard about the Duncan guitar amps but have never gotten to try one out. Is that a main part of your bass sound?

Ain't that car badass? It's my fiancee's I didn't know how she'd take having her car posted on the intarweb- so this is just quot;accidental.quot;

The Seymour Heads got me to realize a lot of what I think of what creates good bass sound. A lot of clean power, and 15's sound really good when pushed. I don't use the Seymours too much any more- this one more or less rests in the basement unless I feel like practicing, the other one is my backup and I keep it at the studio. I did use them for many years, and it's pretty obvious the Chicken had a pretty hard life before me. It still sounds great, and I did a bit of the last record with it- but the SM-900 is a little quot;biggerquot; sounding.

Those are cool! I've never seen the bass heads. The guitar amps have a bit of compression, so I'd imagine that's an even more desireable trait on the bass amp?
That's a pretty respectable transformer in there!

a friend of mine has the whole rig. the head, 2x15quot;, 4x10quot; and a bunch of little maybe ones 8x4quot;

do you have the cabs too?

There were cabs too? Most often I used either of the heads with these:Most shows I just used the Triad (15 10), and before I got the SWR cabs I had two mismatched GK 1x15 cabs. I still have the tolexed one.