Bi Amping Quad 303's

[dantheman91]

Hi All

I have a spare 303 which has just been fully recapped and serviced had the idea of Bi amping with my Tannoy 615's technically fine but finding the adaptors is a question can anyone help

presume its left to left right to right to pre then + Trebal on the left and - Bass on the right right for my 615's? Y adaptors and interlink have been told i need :)

[Barry]

You used to be able to get appropriate adapters for the two Quad 303s from flashback sales, but sadly David Laine died three years ago and the company has ceased trading. Quad 303s use a 4-pin DIN plug/socket. These are hard to come by, but are available from the likes of Farnell, Deltron and RS Components:

https://cpc.farnell.com/c/plugs/4-plugs/4-pin-plugs/4-pin-din-plugs

https://www.dem-uk.com/deltron-components/products/din_connectors/din_connectors_4_pin_plugs_and_sockets/

https://uk.rs-online.com/web/c/?searchTerm=4-pin+DIN+plug



You might be able to buy 4-pin DIN plugs from Amazon and/or eBay.


Do you want to 'horizontally' bi-amp, or 'vertically' bi-amp? There is a useful article on bi-amping in The Knowledge. https://theartofsound.net/forum/showthread.php?5818-Basics-amp-General-Bi-amping-and-Bi-wiring

[dantheman91]

Hi Barry

Thank you for the links i would like to try either way with horizontally and vertically :)

[dantheman91]

Finally Bi Amped the 2 303's with the 33 Pre 1 303 for treble and 1 303 for Bass

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[Barry]

Ah, so 'horizontal' biamping. Well done.

(Had it been me, I would have arranged for 'vertical' biamping. But then each to their own. :) )

[Macca]

vertical does make more sense. but it is more complicated.

I'm interested to know if there was any perceived benefit over just using one 303 for the lot?

I got two Krell KSA50S here so could bi-amp but I've been working on the principle that one is sufficient. Finding somewhere to plug the second one in is also an issue, don't like to run them off a power strip due to potential for current limiting.

[Lawrence001]

I thought you could just do the same thing to get vertical but have one amp per side instead of splitting them top and bottom. So just change the way the speaker cables are plugged in. What's the complication?

There's also the added advantage of being able to place them near the speakers with short speaker cable runs if you want.

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