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Quad 405 Upgrade and Revision Kit

  • €80.00
  • In stock: 53

Everything you need to do a full revision of your 405 yourself!

  • Online step-by-step instructions in Pdf format available in the Download-section of this website. 
  • 7/7 help via e-mail in several languages
  • High-end capacitors for the power-supply
  • Audio-grade electrolyt capacitors & metal-film resistors for the circuits
  • The hard-to-find bipolar caps are included
  • Burr Brown or TI OPA604 opamps (OPA627 as an option) 
  • Gold-plated LS and RCA-connectors
  • Really everything is included, even thermal compound, cable and silver-plated PCB-connectors
  • The kit is adapted to the serial-number of your 405. Some components changed over time... Mention the S/N in your order and you will get an adapted kit, also for the 405-2

You can download the Upgrade / Revision manual in the Download section.

The picture is only for illustrative purposes.

Quad 405 Upgrade and Revision Kit