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Thread: Would I damage my speakers if...

  1. #1
    Join Date: Mar 2018

    Location: Bristol, UK

    Posts: 37
    I'm Roland.

    Default Would I damage my speakers if...

    Would I damage my speakers if..... I were horizontal bi-amping and accidentally ran a lot more current into the bass than into the treble (or vice-versa) ?
    Speakers are DALI Opticon 6 (using internal crossover) - Intended Amps: Arcam Integrated A39 x 2 (120W per channel at 8 Ohms)

    Thanks, Roland

  2. #2
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 20,156
    I'm Martin.

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    Yes if you run too much power to the tweeters. The bass unit will probably handle it provided you don't run full power through it for any length of time.
    Martin



    Current Lash Up:

    Technics SL1200P CD Player * NVA P90SA passive pre / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *



    'The best I advice I ever received was to always remember that no-one else has any idea what they are doing either.'

  3. #3
    Join Date: Mar 2018

    Location: Bristol, UK

    Posts: 37
    I'm Roland.

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    Quote Originally Posted by Macca View Post
    Yes if you run too much power to the tweeters. The bass unit will probably handle it provided you don't run full power through it for any length of time.
    .. in which case I would hear that there's way to much power to the tweeters, right ?

  4. #4
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 43,956
    I'm Grant.

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    Maybe not. They could blow very quickly
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  5. #5
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    I doubt you'd get any warning.

  6. #6
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,136
    I'm Andrew.

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    What's "horizontal" bi-amping? Is that one power amp for L & R bass, and another power amp for L & R tweeters? If so, I suppose it would be possible to turn up the tweeters to frazzle levels while keeping the bass at normal levels and the overall sound wouldn't be especially loud. However, you would (should?) notice that the sound is overly bright and would (should?) do something corrective before its too late. But surely, if you're running all four channels of amplification from one pre-amp, it would be impossible to turn up the tweeters without turning up the bass drivers.

    Why do you ask?

  7. #7
    Join Date: Mar 2018

    Location: Bristol, UK

    Posts: 37
    I'm Roland.

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    Quote Originally Posted by RothwellAudio View Post
    What's "horizontal" bi-amping? Is that one power amp for L & R bass, and another power amp for L & R tweeters? If so, I suppose it would be possible to turn up the tweeters to frazzle levels while keeping the bass at normal levels and the overall sound wouldn't be especially loud. However, you would (should?) notice that the sound is overly bright and would (should?) do something corrective before its too late. But surely, if you're running all four channels of amplification from one pre-amp, it would be impossible to turn up the tweeters without turning up the bass drivers.

    Why do you ask?
    Horizontal = One integrated amp for bass and one for treble...
    Each amp has a volume control of its own
    I think I would hear something horribly wrong way before I blew the tweeters... but good that I am warned beforehand of potential blunders
    You're asking why 2x A39 integrated amps ? because they're on offer at 60% RRP and the dedicated "matching" power amp costs 4x the price of a discounted A39

  8. #8
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    Quote Originally Posted by pandoraefretum View Post
    I think I would hear something horribly wrong way before I blew the tweeters.
    No you won't. They tend to blow instantly, without warning.

  9. #9
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 43,956
    I'm Grant.

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    If the 2 Amps could be run off a pre then it would be safer. Or go vertical biamping
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    OPPO BDP-103D DARBEE - JBE SERIES 3/M55E/EMOTIVA XPS1 - TWIN PRO MONOBLOCK AMPLIFIERS - XIANG SHENG DAC\PRE\HEADPHONE AMP - TWIN AVANTREE OASIS CLASS 1 BLUETOOTHS - AUDIO TECHNICA ATH-MSR7 & OPPO PM-3 PLANAR HEADPHONES - WIN10 JRIVER24, DEEZER HiFi - SMSL M6 MINIDAC - RPI/AUDIOPHONICS - FULL RANGE TWIN TELEFUNKEN/Q ACOUSTIC BT3/CANTON SUB - P.INSPIRED MAINS REGENERATED.

  10. #10
    Join Date: Mar 2017

    Location: Seaford UK

    Posts: 622
    I'm Dennis.

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    I have a friend who is running a pair of JBL K2 S9800 speakers with Benchmark amplifiers, and these are horizontally bi-amped. He has split the pre out into each of the power amps, using only the one pre volume control.

    It should be possible to guesstimate fairly accurately the relative levels of top and bass by ear, but dependant upon the Xover point, the energy to the tweeters will be considerably lower than to the woofers, and IMO you are unlikely to blow them unless playing silly and/or clipping levels.

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