Replacement HSU VTF2 amp

I would call HSU first, it might not be too bad pricewise.

+1 their amps are designed for the variable tuning cababilities and built to be used as a system with the driver and box. Trying to use different amps may not work out the best and could be troublesome.

I had to do this about eight months ago, after having the same sub as yours for nearly ten years. I did have the amp sent back to HSU. The repair was about $100, and they repaired more than what was just obviously wrong. It's something to consider.

Nice.

Yep. I was impressed. It's not something that I expected. But it's nice that the company stood by their product so many years down the road.

HSU is amongst the very best in CS.

HSU won't repair older VTF-2 amps any more. I just got off the phone with them They will try to sell you a different amp, VTF-1 MK2, that has different characteristics and will not fit in the VTF-2 enclosure without modification.

Do you have any local companies that can take a look at the amp and repair it? Otherwise you have a few options:
- Checkout Parts Express for an amp of similar size and specs
- Use an external amp and bypass the internal.

Local repair shops can cost $200-300+ and only guarantee their work for 30-90 days. The difficulty with older amps is that, after the repair on a few parts, other parts may fail. Usually, the repair shop will need the service manual which gives details of the circuit design. I believe that Hsu (along with many other manufacturers) considers their service manual proprietary information.

A few (very lucky) individuals have replaced their electrolytic capacitors (that deteriorate with age and heat) and were able to affect a repair. Many repairs can require replacing parts besides the capacitors.

You can also check out the OAudio amps. I have not had any trouble with either of my PE plate amps.

I also have classic Hsu VTF-2 sub apparently with fried amp.
Dr Hsu says no more support on this older model, he suggests MK2 replacement amp which does not fit in exactly, or a whole new sub.

Did anyone try the MK2 amp rebuild suggested by Hsu?

Have you checked out this alternative?

http://www.parts-express.com/pe/showdetl.cfm?partnumber=300-803

(If the link doesn't work, it's the Dayton Audio Model SPA250 plate amplifier, part number 300-803 available at PartsExpress)

Many reviewers say it's an exact replacement size-wise for the VTF-2's amplifier.
Edited by asiskind - 1/28/13 at 10:03pm