Purveyors, repairers and upgraders of old iron

                 http://www.quadmodsusa.com/

If you don't recognise the names this page is probably not for you.
If you do then it may be a Black Hole.



                Russell

_________________

Quad Mods USA has become the definitive source for all of your Quad
electronics repairs, upgrades, replacement parts and answers about
your Quad components. Quad Mods USA specializes in vintage hifi
revision for Quad, Naim, Leak, Revox.
You can be assured of the highest quality of workmanship from Quad
Mods USA and the painstaking precautions we take to make sure your
mint vintage components remain an undamaged or restored collectors
piece. We go to great lengths to be true to the original circuit
design and upgrade the components on the boards to newer parts with
better specifications for sound improvement. We are a group of
engineers and hi-fi enthusiasts that will treat your equipment as if
it were our own prized posession. Our turn-around times are very quick
and we offer a gurarantee on all of our revisions. We treat our
customers the way we would like to be treated and give that "old
fashioned" personalized service. We can absolutely make your Quad
component sound better and it will be accomplished with the correct
method. Give us a try and you will be convinced. By far we see more
Quad 405 amplifiers than any other product. The Quad 405 was
manufactured up until the 80's. the Quad 405 was revolutionary in it's
design with being the first current dumping amplifier. The Quad 405
had basically two different versions the last in production
incorporating a speaker protection circuit. The Quad 405 though
legendary cam be improved upon by utilizing better opamps and output
transistors. Quad Mods USA stays true to the original design of the
Quad 405 because it is sound rather we upgrade the Quad 405 components
to a higher grade. There are many different levels to upgrade the Quad
405 and as you go up the ladder with price there is a diminishing
return but none the less an improvement of the Quad 405 at every
level.
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