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Quad 405-2 SE Upgrade.

This is the classic 405-2 upgrade. Replacing the Op Amp with a Burr Brown and replacing amplifier circuit electrolytic capacitors with non-polarised and standard types. The output bridge components are replaced, including a new high current inductor. The main power supply capacitors are replaced with standard but increased capacitance electrolytic capacitors and RF de-coupling is improved. The internal power wiring is replaced with heavier gauge wire. The output transistors are replaced and the current limiting is reduced to allow higher transient output current.

For full details of all modifications please click here.

Pricing

Quad 405-2 SE Upgrade    £240.00 (Inc return P+P to the UK)

To purchase this upgrade please send the amplifier and payment to

Fidele Audio, Sornhill Cottage, Sornhill, Galston, Ayrshire, KA4 8NF.

Payment may be made by Bank Transfer or Paypal. If you wish to pay by Paypal we will issue a Paypal invoice 2-3 days before the amplifier /CD is ready for return.  Please remember to included your return address and either an email address or telephone number. Additional return postage is payable for Europe and the rest of the world.

Copyright © 2005 - 2011 Fidele Audio
Last modified: 29 Dezember 2011