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
- Developing the Dada 405 amplifier-boards
- Dual 405 Power supply & DACT Attenuator
- Did Dada / JPE invent the 405 dual PSU?
- Quad 33 - 303 - 405 DIY upgrade manuals
- Finetuning the 303-boards
- Quad 303 replacement boards launch...
- Languages, Langues, Talen....
- Free Quad schematics, service notes, manuals
- Quad 33 Revision - Illustrated Guidelines
- The Dada Electronics Ebay-shop is open now!
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