MS 2125

[brownvanman]

hey eveyone, im new obviously. im usually over on caraudio.com but i figured id get more of a responce here. i just picked up a MS 2125 and its pretty beat up. the guy says that i bought it from that only 1 ch worked. i was wondering if this is a common problem with these amps and is an easy fix or if it should be repair by someone with alot more knowlege. also what would it be worth in its current state? ill have some pictures in a day or so. for all i know he may have had a bad rca cable or something.


thanks for the help in advance

[wooferdog]

http://www.altser.com/index.html
this is the place to get it fixed

[JayGold]

Pics can only determine so much when it comes to value. It somewhat falls into what someone is willing to pay and it depends on exterior condition of paint, and the sink plus silkscreen. As for the board and components, it's best to know if the caps have been pulled or swapped as they tend to leak over time. If you want to throw in audio issues as well then you're in an entire different ball game.
I have many of these MS amps, they fluctuate in value. I have a MS2125 which is in working order, board is clean and rates a 8/10 cosmetically....I purchased it for $80.00. On the other hand I have another MS2125 in working order, board needs many caps swapped out, cosmetically rates a 7/10 and was purchased for $225.00.
If you're not experienced on troubleshooting and soldering then I would either have the amp tested and repaired professionally or just sell it on here and see what folks are willing to offer given you may not know the history of its use.

[brownvanman]

Alrighty seems pictures are in order. I'll pull the bottom off and take a peek. I bet its all original.

[brownvanman]

here are some pics. the thing looks MINT inside and no caps look bad. the switch between bridged and stereo is set to bridged and i wonder if the PO didnt realize that was what was wrong? i HOPE to hook it up tomorrow but time is extremely scare as of now.



http://s337.photobucket.com/albums/n362 ... %20MS2125/

[kg1961]

do not add power to this amp!!!!
slide a pcs of paper under the caps they can look fine but i bet they are leaking
if the paper is wet when you pull it back they are leaking
do not add power or it can start on fire

[brownvanman]

any of the caps in preticular?

[zeropoint0.5]

here are some pics. the thing looks MINT inside and no caps look bad. the switch between bridged and stereo is set to bridged and i wonder if the PO didnt realize that was what was wrong? i HOPE to hook it up tomorrow but time is extremely scare as of now.



http://s337.photobucket.com/albums/n362 ... %20MS2125/

One advice, my friend....DON'T HOOK IT UP..... if you like firework, better listen to the Kathy Perry song........

This is a very good amp, after it had service, new powersupply caps and new silpads.....

No caps look bad The twelve there together are the problem. these leak and have to be changed.

The amp is worth putting the time and the money in it to get it back playing good. you're gonna love it. it's a great amp.

I will leave the rest to the veteran members here. But at this time, power it up .

[brownvanman]

So I put a piece of paper towel under the bigger black caps and it was dry. Am I safe to ad power?

[Eric D]

So I put a piece of paper towel under the bigger black caps and it was dry. Am I safe to ad power?

NO, you are not safe. The paper trick only works on badly leaking caps. Many caps leak in the middle where paper will not easily reach, so the paper tells you nothing.

ALL PG amps of this age with these caps leak. I have even bought new in box vintage PG amps and found the caps leaking. This is a problem with the caps themselves, and has little to do with abuse of the amp, or amount of use on the amp.

[brownvanman]

Well I've decided to change my set up. What's it worth in this condition?

[brownvanman]

Anyone got a ballpark price? I just don't wanna invest the cash and don't wanna ruin a classic amp.

[kg1961]

you need pics way before a price

[brownvanman]

Got some above. It is a bit cosmetically challenged

[brownvanman]

i think ill just toss it on ebay ina a week here