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Matamp Minimat Gutshots

Posted: Sat Feb 07, 2009 8:48 pm
by benecol
Plucked up the courage to take it apart this evening, and found this inside:

Image

Image

Nice work, Angie.

Posted: Sat Feb 07, 2009 8:51 pm
by Mike
That's immense.

They're still using Carbon Comp resistors. L@@k m@J@

Posted: Sat Feb 07, 2009 9:06 pm
by benecol
I don't really know what I'm looking at, but I think it's very pretty.

Posted: Sat Feb 07, 2009 9:09 pm
by Thom
I'm the first to admit that I know nothing about the inside of amps - but am always interested to see!
And at the risk of sounding like a bit of a girl - "oooh shiny!" :wink:

Posted: Sat Feb 07, 2009 9:09 pm
by NickD
That amp + my 65 Musicmaster = awesome.

I was very tempted to buy one when I bought the guitar.

Posted: Sat Feb 07, 2009 9:13 pm
by benecol
It is fucking great - keep being more and more impressed with it. Played clean, it makes each of my guitars sound very different from one another (ie. the tele sounds very much like a tele, the Jazzmaster sounds ace etc.) and I was messing around with a couple of delays and a trem in front of it the other day. And it fucking loves pedals. And boosts, lots of boosts.

Lamp, I use the reflection to touch up my makeup, so don't fret.

Posted: Sat Feb 07, 2009 9:32 pm
by Will
I like the combination of old and new. You have a PCB, but also Carbon-Comps and some PTP touches. I really like seeing an old style ceramic socket for the power tube.

ME GUSTA!

Posted: Sat Feb 07, 2009 10:21 pm
by DaveB
They didn't skimp on the transformers. It definitely should stay cleaner longer with an output transformer that big. that's gotta be three times the size of a Champ transformer. It'll depend alot on the air gap, but still, a way bigger core to work with.

Posted: Sat Feb 07, 2009 10:27 pm
by benecol
Is that the one on the left, or the one with the CE sticker? Meant to be over-engineered to fuck, all components are military spec. - 'cause I'm hard, like.

Posted: Sat Feb 07, 2009 10:29 pm
by Mike
It's the one the same side as the Speaker Jacks, so on the left in the first picture, the power transfomer is the same size as the power switch assembly.

Posted: Sat Feb 07, 2009 10:35 pm
by benecol
* smiles blankly *

Posted: Sat Feb 07, 2009 10:35 pm
by euan
Matamp are known for over speccing every component. It is their thing.

Posted: Sat Feb 07, 2009 10:41 pm
by Mike
benecol wrote:* smiles blankly *
One of the transformers steps your 240V AC up to 300-500V according to the poweramp design. Yours is on the same side as the power cable input (you can see the cables from it entering the transformer through the hole). The transformer output then goes to a rectifier (Silicon in your amp's case) which converts it into DC for the power tubes and preamp tubes. A bunch of big filter caps filter out noise and ripple. These are the things that kill you if you poke them.

The other transformer takes the power amp signal and decouples it from the power amp to drive your speakers. It will have a few taps at different impedance levels for different speaker configurations.

Posted: Sat Feb 07, 2009 10:44 pm
by benecol
benecol wrote:* smiles blankly *

Posted: Sat Feb 07, 2009 10:48 pm
by Mike
I would be the same way if you tried to explain Photoshop to me.

Posted: Sat Feb 07, 2009 10:58 pm
by benecol
Teaching is what I do, Mike. I'd make you love it. I'd have you creating internet hoax images within 45 minutes.