Power amp has driver ic. Guitarists who connect multiple cabinets to an amplifier must consider the amp's minimum impedance. Might not sound awesome but you will be heard and you will be paid. Ampeg used a baxandall tone stack. Aer, henriksen, etc are good machines. As well, the open-back cabinets used on many electric guitar amps, while effective for electric guitar, do not have good bass reproduction.
Is that how you'd use the Mini-brute? Back in the day, the old joke was. Looks like it was the Power supply, something about a vertical rectifier or something. I thought that they were intended just for that. In the 1920s, the earliest combo amplifiers had no tone controls. For jazz guitar, there are countless amplifier choices and the list of of good jazz guitar amplifiers has really grown in the last few years. Tommy Gumina may have been an talented accordion player but his company is defrauding people of their money.
Transistor amplifiers are less expensive to build and maintain, reduce the weight and heat of an amplifier, and tend to be more reliable and more shock-resistant. Over three months later and 160 bucks. I helped to tear down the equipment from a concert last summer, and it looked to me like the electric guitar was plugged into a small amp on the floor at the back of the stage, and there was a mic on a wee stand pointed at the amp. Perry A guitarist I worked with years ago had a beautiful Polytone amp. The designs that Tommy Gumina employed were just fine for jazz.
The problem was a blown bridge rectifier, whatever that does. I was able to play bass with 16 piece bands, guitar solos with vocals, no problem. Other than Ampeg and Fender tube gear, I don't know of amps that I like as much. The ultimate trunk back up amp. It is 20 years past needing basic service.
Jimmy, You're right, a accordion player named Tommy Gumina ran that company. Note: There were several versions of this model. Please pardon the potential hijack. If you can restore it, go for it! These amplifiers were designed by an accordion player for accordion players. The Princeton Reverb is a low powered amp that at the time was rated as 12 watts. We prepaid for eleven amps from them in April 2011.
Much different than the modern hifi ss amps. Each generation of his amplifiers was louder with more headroom than previous. I'm a Fender amp fanatic, but for what it does the Polytone is a great tool. I have owned Mini-Brutes with 15 inch and 12 inch speakers as well as the Mega-Brute combo amp and head. I think the esteem in which Polytone's are held here is probably not representative of the larger market. It depends on what type of jazz and what type of guitar you play.
If you have a few pedals to shape your sound, I've been told they take to those very well. A simple, inexpensive amplifier may have only two tone controls, a passive bass and treble control. Also look at Evans, Roland Cube, Acoustic Image. The limited controls, the early , and the low amplifier power typically 15 watts or less prior to the mid-1950s gave poor high treble and bass output. Cabinet size and depth, material types, assembly methods, type and thickness of the baffle material the wood panel that holds the speaker , and the way the baffle attaches to the cabinet all affect tone.
I'll follow up with the diagnosis. The Polytone Mini-Brute Amplifier Polytone Mini-Brute: This is the first Brute force amp to come in such a light weight package, and it is so easy to operate. Perry I would love to have one again. Reproducing low frequencies also requires a suitable or speaker and , with bass cabinets often being larger in size than a cabinet for mid-range or high-range sounds. This was probably all worked out carefully by the late Rich Raezer to tune the cabinet for guitar frequencies. Like others have said, as far as tube amps go--you have the loud clean standard.
I know nothing about playing electric, or amplifying acoustic instruments, but what little I've seen perplexes me. Perhaps I'll wire one in just to see. Fender was a pioneer in the early days of guitar amplification. Guitar amps that include a mic input are in effect small, portable. It sounds fabulous as a rehearsal amp for bass -- when it's working.