New MSB S500 and M500 Amplifiers
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  1. #1
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    New MSB S500 and M500 Amplifiers

    I am looking forward to the arrival of the new MSB S500 Stereo Amplifier and M500 Mono Amplifiers scheduled for this Spring. So I am starting a thread where new information can be posted as it trickles in.

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

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  3. #2
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    Re: New MSB S500 and M500 Amplifiers

    Details available so far:

    - 500 watts per channel
    - Class A Input Stage
    - Class A/B Output Stage
    - 136 dB dynamic range
    - 1,000,000 uF of Capacitance
    - Fully balanced design
    - Gain switch with 3 fixed gain levels
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

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  5. #3
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    Re: New MSB S500 and M500 Amplifiers

    Will these new amps continue with MSB's industrial design used on their previous amps?
    Jim

    D'Agostino Momentum M-400's & HD Pre-amp
    Wilson Alexandria X2 Series 2 speakers
    Digital: dCS Vivaldi DAC, Clock & Upsampler
    Analog: SME 20/3 with Esoteric E-03 Phono
    Transparent Opus Speaker Cable & Interconnects & Opus Power Cords
    Power Cords on Digital: Shunyata

  6. #4
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    Re: New MSB S500 and M500 Amplifiers

    Quote Originally Posted by still-one View Post
    Will these new amps continue with MSB's industrial design used on their previous amps?
    Jim,

    No, they will have an entirely new industrial design. A very stylish looking rectangular box.

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

  7. #5
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    Re: New MSB S500 and M500 Amplifiers

    Quote Originally Posted by Alpinist View Post
    Jim,

    No, they will have an entirely new industrial design. A very stylish looking rectangular box.

    Ken
    I will give them a listen when my dealer gets them in.
    Jim

    D'Agostino Momentum M-400's & HD Pre-amp
    Wilson Alexandria X2 Series 2 speakers
    Digital: dCS Vivaldi DAC, Clock & Upsampler
    Analog: SME 20/3 with Esoteric E-03 Phono
    Transparent Opus Speaker Cable & Interconnects & Opus Power Cords
    Power Cords on Digital: Shunyata

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  9. #6
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    Re: New MSB S500 and M500 Amplifiers

    No more Class A...interesting.
    Brinkmann Bardo w/ 47 Labs MC Bee cart, MSB Premier DAC --> Music First Baby Reference v2 --> Audio Research Ref 75SE --> DeVore Fidelity Gibbon X

  10. #7
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    Re: New MSB S500 and M500 Amplifiers

    Quote Originally Posted by KeithR View Post
    No more Class A...interesting.
    Keith,

    The MSB M204 monoblocks also have a Class A Input Stage and a Class A/B Output Stage, so this is not a change. The key question would be how many watts each amplifier operates in Class A. I don’t have the answer to this question yet.

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

  11. #8
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    Re: New MSB S500 and M500 Amplifiers

    Quote Originally Posted by Alpinist View Post
    Keith,

    The MSB M204 monoblocks also have a Class A Input Stage and a Class A/B Output Stage, so this is not a change. The key question would be how many watts each amplifier operates in Class A. I donít have the answer to this question yet.

    Ken
    Got it. I guess I just always think of them as Class A amps I guess, but really just biased really heavily into Class A. They run hotter than tube amps as well. My friend has a set of the 203s and loves them.
    Brinkmann Bardo w/ 47 Labs MC Bee cart, MSB Premier DAC --> Music First Baby Reference v2 --> Audio Research Ref 75SE --> DeVore Fidelity Gibbon X

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  13. #9
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    Re: New MSB S500 and M500 Amplifiers

    From reviews I've read about their previous generation of "Class A" power amps, in testing they were determined to not maintain their Class A operation at full power but were heavily biased into Class A.

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  15. #10
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    Re: New MSB S500 and M500 Amplifiers

    Quote Originally Posted by Alpinist View Post
    Jim,

    No, they will have an entirely new industrial design. A very stylish looking rectangular box.

    Ken
    This is the only picture I could find.


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