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Thread: Advice on Quad power amps.

  1. #181
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

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    Quote Originally Posted by spendorman View Post
    Really just shows how mad I am.
    Strikes me as sensible, you can never have too many .
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  2. #182
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 4,481
    I'm Alex.

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    Quote Originally Posted by walpurgis View Post
    Strikes me as sensible, you can never have too many .
    In fact they were bought over many years, first one second hand in 1974. It's actually one of the very early 303's, low serial number. It's still completely original. The output and power supply electrolytics seem better quality than later production.
    Spendorman

  3. #183
    Join Date: Dec 2018

    Location: Neath, Wales

    Posts: 1,515
    I'm Shane.

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    What's the power rating of 306 driving 4 ohm speakers?

    Just out of curiosity does the 306 have internal bias adjustments?

    S.
    Shane Lonergan.

  4. #184
    Join Date: Feb 2008

    Location: Middlesex, UK

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    I'm Alex.

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    Quote Originally Posted by southall-1998_mk2 View Post
    What's the power rating of 306 driving 4 ohm speakers?

    Just out of curiosity does the 306 have internal bias adjustments?

    S.
    I don't know about the 306 performance in to 4 Ohms, but one of the points about current dumping was that there are no adjustments like bias setting needed. I never fully understood the dumping design.
    Spendorman

  5. #185
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

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    Quote Originally Posted by southall-1998_mk2 View Post
    What's the power rating of 306 driving 4 ohm speakers?

    S.
    70 watts before clipping. Driving the 306 hard into 4 ohms may trip the protection relay. It does no harm though and resets.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  6. #186
    Join Date: Dec 2018

    Location: Neath, Wales

    Posts: 1,515
    I'm Shane.

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    Quote Originally Posted by walpurgis View Post
    70 watts before clipping. Driving the 306 hard into 4 ohms may trip the protection relay. It does no harm though and resets.
    Well plenty enough power for small - medium rooms.

    S.
    Shane Lonergan.

  7. #187
    Join Date: Dec 2014

    Location: UK, inactive

    Posts: 1,570
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    Quote Originally Posted by walpurgis View Post
    I'd say £350 to £450 for the set depending on condition, but some ask more.

    Don't know where those prices are from but based on eBay prices you'd be very lucky to get anywhere near those sort of sales for the 33/303 combo ... about £300 tops - maybe add £50 for the FM3 (all in near mint with original packing etc.)

    Been waiting for an upsurge to sell a refurbished and Quad serviced 33 for over a year but prices remain stubbornly low.

    Similar story for the 34/405-2 combo I bought a few years back, still pretty much at the same prices now. So much so that I'm hanging on to them.

  8. #188
    Join Date: Apr 2012

    Location: N E Kent

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    I'm Geoff.

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    Quote Originally Posted by mikmas View Post
    Don't know where those prices are from
    ebay.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  9. #189
    Join Date: Dec 2014

    Location: UK, inactive

    Posts: 1,570
    I'm inactive.

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    Quote Originally Posted by walpurgis View Post
    ebay.
    Weird - over the last 3 months for the 33/303/FM3 set nothing really over £365 bar one exception at £725 (which looks to be a bidding war gone silly ....)

    Many well below that.

    Maybe I need a new search engine

  10. #190
    Join Date: Mar 2016

    Location: Brighton, UK.

    Posts: 3,061
    I'm Mike.

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    Just been reading a bit more on passive pre amps. I read an article that said - if I remember correctly something about how you might encounter problems with having enough gain from a phono stage, a problem not encountered with active pre amps. Just wondering how well my Graham slee era V will work with the Khozmo/306. I just sold my Nak, which would have enabled me to increase the gain, doh! Oh well, may'be that won't be needed, but just trying to get a bit more info for going forward. Khozmo will be shipped in 2-3 days. Ebay seller said Quad was fine and not in need of service in their opinion, was a hifi dealer not a personal seller.
    Current system 1210 GR. CDP - Meridian G08. Amp -Sugden A21I - Sig. Wharfedale Lintons.

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