I've had an Ampeg SVT-7Pro for a few years and one of the ICE2A165 chips overheated. Apparently this is a common problem with earlier models of the amp. I took the amp to my repair man and he mentioned that the chip replacement itself is very challenging/expensive, but replacing the board may be an option. I found a replacement board with an upgraded chip ("revision H" of the amp) for a few hundred bucks which should be pretty easy to self install.
However, my tech mentioned that many of today's Class D amps are notoriously fragile and once broken, they are often more expensive to repair than to replace. He said that if the amp is light, small, and powerful, it usually falls into this category.
I love the SVT sound and controls, so I'm wondering if I'm better off getting one of the big heavy SVT-3 or 4 Pros. They only have a two year warranty when I look at most online stores, but would they be easier/cheaper to repair in the event of a fault? I want an amp that lasts a long time.
UPDATE 1: Here are pictures of the chip explosion. It took other parts with it. I'm curious what those other are and how easy it would be to replace them all (I'm sure they're cheap.) I can solder, I just don't have all the fancy diagnostic tools. Spending $20 and some spare time seems worthwhile, so I don't have to buy a new amp .
UPDATE 2: I found the three parts online that were destroyed:
- The ICE2A265 (upgrade from the ICE2A165)
- One US1M diode to go in space D9
- One 1-ohm/1-watt resistor for space R46
I'm going to try soldering these in using the schematic and see what happens.