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Thread: Benchmark Audio BM1 Speakers

  1. #1
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 5,266
    I'm Dan.

    Default Benchmark Audio BM1 Speakers

    Hello

    I have these rarity's arriving over this weekend Benchmark Audio BM1 speakers and i cannot find anything on them they are made in Bristol and seem to be a high spec they look superb and wondering if the bass drivers are B&W? i cannot wait to hear them i do not think they are related to the american benchmark company but i could be wrong any info would be appreciated looking forward to owning them i think they are worth ago for £80

    Post your thoughts below...

    Thank you
    Daniel
    Receiver
    Marantz 2225
    CD Transport & DAC & PSU
    Marantz 6005 , Beresford Caiman , Paul Hynes SR4
    Turntable
    KAM DDX 1000 with Goldring G800 Cartridge
    Loudspeakers
    Mordaunt Short M10

  2. #2
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 5,266
    I'm Dan.

    Default

    They have arrived and first impressions are very very good well worth the price....

    The Impedance 4.2 ohm so i guess this means i cannot use an 8 ohm amplifier for them?
    Receiver
    Marantz 2225
    CD Transport & DAC & PSU
    Marantz 6005 , Beresford Caiman , Paul Hynes SR4
    Turntable
    KAM DDX 1000 with Goldring G800 Cartridge
    Loudspeakers
    Mordaunt Short M10

  3. #3
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,089
    I'm Alan.

    Default

    You can use an SS amp that specifies 8 ohm providing you don't overdo the volume.
    With 4 ohm speakers the current levels in the output transistors will be higher, this is what blows transistors if pushed too hard. At lower volumes you will be OK.

    With a valve amp that specifies 8 ohm you can still use a 4 ohm load but the valves won't have an optimum operating point, so the output will be lower. Unlikely to harm the valves, but as above keep the volume reasonable.

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