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Quad 303 Upgrade - How far is too far? | diyAudio
https://www.diyaudio.com/community/threads/quad-303-upgrade-how-far-is-too-far.220120/
I have an old ex-BBC Quad 50D mono block which although contained in the same case as the 303, is a very different amp inside with a transformer output giving different inpedance taps available at a multipin speaker socket, but it may though serve well for driving a centre speaker (I have a few speaker options for centre but I will try a 90s ...
Monoblocking Quad 303 | Audioholics Home Theater Forums
https://forums.audioholics.com/forums/threads/monoblocking-quad-303.83024/
The Quad 303 is probably the most bullet proof amp of all time. It was a resounding achievement given its date. If your speakers are 8 ohm, you will need to series bridge it. For this you will need a phase splitter, which can be a center tap transformer. However a better solution is to build an op amp circuit.
Quad 303 Cap Replacement List? - DIY • Canuck Audio Mart ...
https://www.canuckaudiomart.com/forum/viewtopic.php?t=60557
Board index » General Audio Discussion » DIY. All times are UTC . Quad 303 Cap Replacement List? Page 1 of 1 [ 2 posts ] Previous ... Does anyone have a rebuild list for a Quad 303 serial number 59520. I think I could probably manage the replacement of the large caps etc, so I would like to just order the needed components from Digikey if ...
Quad 33 preamplifier, Quad 303 power amplifier
http://www.hembrow.eu/personal/quad33-303.html
Quad 33 control amplifier, Quad 303 Power amplifier The Quad 33 / 303 hifi amplifiers are classic designs. Due to being a relatively early transistor power amplifier design, from the 1960s, when high power complimentary PNP transistors were not so easy to find, they were designed to use a "triplet" circuit instead, with all NPN transistors.
Quad Refurbishing - Quad Revisie - Classic Quad Audio ...
https://www.quadrevisie.eu/quadrevisie.html
The Quad 303 power amplifier was one of the first semiconductor designs which sounded better than the QUAD valve amplifiers, even better than the Radford valve amplifiers. Quad 50 and 303 power amplifiers Much hailed in technical press are the famous QUAD 303 triplets and the simplicity of the QUAD 33 design.
Quad 33/303 cables - Canuck Audio Mart
https://www.canuckaudiomart.com/forum/viewtopic.php?t=14717
Post subject: Re: Quad 33/303 cables. Posted: Sun Jan 24, 2010 8:28 pm. Joined: Tue Oct 13, 2009 4:47 pm. Posts: 26. Location: Richmond, BC, CA. If you are prepared to assemble the cables yourself, you can try Main Electronics in Vancouver for the parts. The 4 pin and 5 pin DINs you need are listed in the following link under Inline DIN Plugs ...
Quad 303 - Canuck Audio Mart
https://www.canuckaudiomart.com/products/4307-303/
Quad 303. Product Profile . User Reviews. Write a Review For This Product. No 303 user reviews have been added yet. ... FOR SALE: Heatsink fest for your DIY audio projects: DIY and Repair Supplies: $1.23: QC Mar 25, 2021: 7 : FOR SALE: TUNER QUAD FM 4: Tuners: $250.00: QC
from Fidele Audio
https://fidele.co.uk/NetAudio/public_html/Amplifiers/quad303upgrade.html
Quad 303 Full Upgrade. This full amplifier upgrade is based on the original Net Audio 303 upgrade. Fidele worked with Net Audio on 303 upgrades by providing a build and test service for Net Audio when required. There is a link to Fidele from the Net Audio web site.
Quad - Audio-Circuit.dk
https://audio-circuit.dk/quad/
Quad. Quad Schematics & Service Manuals. Please use the Share/Upload function if you have a Hi-Fi related Audio Schematic or Service Manual you want to share with your fellow audio DIY’ers. 1 54288cbd0f quad f0680f1583.
Quad Upgrade and Revision Kits - DADA Electronics
https://shop.dadaelectronics.eu/dada-products/quad-revision-kits/
DADA Electronics Quad 34 MK2 Upgrade-Revision Kit. Quad 34 MK2 Upgrade-Revision Kit. €56,00. DADA Electronics Quad 303 Upgrade and Revision kit. Add to cart. Quad 303 Upgrade and Revision kit. €48,00. DADA Electronics Quad 303 High-end Boards and Capacitor set. Add to cart.
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