Quad Spot
This Blog is about revising/upgrading the vintage Quad 33 to 909 amplifiers and the Revox taperecorders. Audio electronics and High End Hifi are also absolutely "on-topic" here. All pictures on this site (except the schematics) are Copyright Dada Electronics. You can use them after a written agreement (via e-mail) with the author. For Contact-information see www.dadaelectronics.eu
Previous Posts
- Misprint in Quad 99pre manual.
- An exploration of the practical issues and benefit...
- Bias Stability in a Quad 303
- Counterfeit Warning 405 boards
- Input Sensitivity of 'Power' amplifiers, the 306/6...
- Mono blocking or Bi-Amping
- PGA2311 based (remote) volume control
- Dada Electronics has chosen Nigel Grey photograpy ...
- Dada proudly announces the new 405 v2 High End...
- Important news about connecting a DaDa double PS...
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