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Dynaco and Hafler Rebuilds
Attention Dyna and Hafler owners!
You can recycle your original Dyna and Hafler chassis and have modern,
high-performance circuits at unbelieveably low prices.
Dyna preamp rebuilds
Our Dyna preamp rebuilds include new audio circuits, new power
supplies, precision volume and balance controls, the parts for all
the boards, high quality hookup wire, and detailed step-by-step
assembly manuals.
You get new AVA circuits but you pay less because you do not have
to buy a new chassis. Pay for only what you need and you can do
it step at a time. Our Dyna preamp rebuilds are available as either
a kit or factory wired.
The following Dyna preamp rebuilds are available:
Dyna vacuum tube power amplifier rebuilds
The Dyna St-70 was possibly the most popular vacuum tube amplifier
ever made. AVA engineering can take this tired workhorse and turn
it into a musical gem. The rebuild is available as either a kit
or factory wired.
Dyna and Hafler solid-state power amplifier rebuilds
For Dyna and Hafler solid-state amp owners, we install new circuits
with free repairs!
The original Dyna and Hafler audio circuits are now obsolete and
on their last legs. So, we strip the old circuits out, problems
and all, saving only the chassis and durable parts. There is no
repair charge assuming that the mechanical bits such as the power
transformer and chassis hardware are salvageable. If not, we will
have to charge extra for their replacement.
We install new OmegaStar circuit boards of our original design
and new power MOSFET output transistors. We improve the power supply
circuits and restore your switches and jacks with DeoxIT D5 cleaner-preservative.
Input jacks are replaced with gold-plated ones where applicable.
You pay less because you save the cost of a new chassis. Except
for chassis and mechanical layout, our solid-state power amp rebuilds
are identical to our brand new OmegaStar
EX amplifiers. Note that our solid-state power amplifier
rebuilds are available factory wired only.
The following solid-state power amplifier rebuilds are available:
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