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M700 Amplifier

M700 Amplifier

New orders shipping in October 2024

The Stellar M700 mono amplifiers are a massively powerful engine capable of effortlessly driving demanding loudspeaker loads to concert levels.
Enjoy an unheard of level of control and command from your loudspeakers with the Stellar M700, one of the most extraordinary under $5,000 power amplifier pair ever crafted. With its mighty 700 watt engine connected to any sized loudspeaker, the M700 monoblocks deliver extraordinarily effortless linear headroom that seems to go on forever. Dynamics like you've rarely experienced before. Slam, control, toe-tapping pacing, and music’s subterranean depths are effortlessly delivered to any loudspeaker from the most efficient to the most demanding. Revel in rich layers of fine, full detail you might have been missing before Stellar. Marvel at the deep, extraordinary, wall-to-wall soundstage. Control your loudspeakers as never before. Effortless. Lush. Stellar.
$3,498.00 USD
$3,498.00 USD
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  • Design

    The hybrid approach used in the Stellar M700 Power Amplifier takes advantage of the best traits technology has to offer. The perfected analog voltage is then converted into the high current output needed to effortlessly drive your loudspeakers.

  • Application

    The M700 is Stellar's best. Rated at 350 watts into 8Ω and 700 watts into 4Ω, a pair of these placed on any loudspeaker brings forth the lush, rich, and soul-satisfying power of two completely independent power blocks with headroom to spare. The listening experience with the M700 starts feet tapping and smiles breaking out. One listen to a hugely loud and complex musical passage effortlessly rendered by the M700 pair and you'll know you made the right choice.

    Technology

    Rated at 350 Watts into 8Ω and 700 Watts into 4Ω, the M700 combines the best of two worlds: ultra linear, high-current, Class D technology for the output stage; a discrete, Class A MOSFET based Analog Cell for the all-important input stage. The Stellar M700 captures the rich, full-bodied essence of recorded music and presents it to your loudspeakers with authority and grace, never a hint of glare or unnaturalness. The M700 is faithful to the music like few amplifiers are. Listeners are constantly surprised at the width and depth of the M700's soundstage; its preservation of the smallest details in reverb, room acoustics, and musical overtones; its commanding presence without intrusion; its delicate handling of subtle shadings; its authority as it grabs hold of the loudspeaker and breezes through even the most complex musical passages.

    Features

    • MONO POWER AMPLIFIER PAIR
    • ZERO-LOSS ANALOG CELL INPUT
    • POWERFUL MOSFET OUTPUT STAGE
    • RCA SINGLE-ENDED INPUT
    • XLR "TRUE" BALANCED INPUT
    • 350 WATTS PER 8Ω CHANNEL
    • 700 WATTS PER 4Ω CHANNEL
    • 2Ω STABLE
    • < 0.1% THD 20Hz 20kHz AT RATED POWER
    • DAMPING FACTOR = 1100
    • FRONT PANEL STANDBY
    • VERY LITTLE HEAT PRODUCTION
    • DUAL, SOLID, COPPER PLATED OUTPUT POSTS
    • 27 LBS
    • INPUT 12v TRIGGER
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    Specifications - M700 Amplifier

    Stellar M700 Mono Amplifier
    Unit Weight 13 lbs [5.9 kg] (each)
    Unit Dimensions 17”W x 3”H x 12”D (13"D w/connectors)
    17”W x 6”H x 12”D (Stacked)
    Shipping Weight 16.5 lbs [7.5 kg] (each)
    Shipping Dimensions 22”W x 8”H x 17”D (each)
    Color Options Black
    Silver
    Voltage Options
    (Factory set only)    		 Japan 100V
    North America 120V
    Europe/Asia/Australia/New Zealand 230V
    Mains Power Inputs IEC C14
    Idle Power Consumption 23W
    Accessories Included US (NEMA 5-15P) (all versions)
    Schuko (CEE7/7) (230V version)
    UK (BS 1363) (230V version)
    Audio Inputs RCA (Unbalanced)
    XLR (Balanced)
    Speaker Outputs Copper base nickel plated binding posts (2 pair)
    DC Trigger Input 3.5mm 5-15VDC
    Warranty 3 years parts and labor

    Signal
    Gain 30.5dB +/-0.5dB
    Sensitivity for rated output power 1.6V
    Noise 1kHz@700 Watts < -105dB
    Input impedance Unbalanced 50KΩ
    Balanced 100KΩ
    Output Impedance 50Hz, 2.8VRMS <0.007Ω
    Damping factor 50Hz. 2.8VRMS
    8Ω >1100
    4Ω >550
    Frequency Response 2.8VRMS into 4Ω
    10Hz – 20KHz +/- 0.5dB
    10Hz – 50KHz +0.1/-3.0dB

    THD&IM
    1KHz, 1W/4Ω <0.02%
    10-20KHz, 1W/4Ω <0.02%
    10-50KHz, 1W/4Ω < 0.05% (90kHz BW)
    1KHz, 87.5W/4Ω < 0.015%

    Output Power

    		 120vac mains, 1kHz, 1% THD
    8Ω 350W minimum
    4Ω 700W minimum
    2Ω Stable for musical transients

    Reviews

    • Rafe Arnott, AudioStream

      All PS Audio components I've encountered (or owned) are incredibly well-built and the Stellar line is no exception. They have a weight, look and feel that exudes quality belying their sub-,000 USD total cost and puts me in mind of gear I've reviewed costing double this price point. The PS Audio Stellar 'three-fer' proved itself to sound far more captivating, powerful, lyrical, musical and possess a humanity to its sonic signature in playback of all types of music than I previously thought

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    • Pete Davey, Positive Feedback

      I was really able to hear the amplifiers' real attributes: astonishing and accurate bass, with sparkling highs that had an almost tube-like sound. How did they accomplish this in such a small footprint for such an amazing price? In the end I believe this is the top of the line in its price range. Nothing comes close—the sheer amount of power and sound quality that comes from these little chassis is nothing but pure engineering magic. Kudos to the PS Audio team for coming up with such a simple

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    • Guy Lemcoe, The Audio Beat

      I could not fault the sound of the Gain Cell DAC -- its neutrality and honesty were captivating, leading to compelling listening. During my time with it and the pair of M700s, I always felt they had total control over whatever music was thrown at them, in whatever format. From the understated nuance of an unaccompanied lute to the bombast of a symphony orchestra going full tilt, the laid-back drive of dub or the pulse of electronica, I not once felt deprived of any of the music's emotion

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    • Robert Deutsch, Stereophile

      PS Audio has been on a roll. That roll continues with the Stellar M700 power amplifier. I have had nothing but good experience with PS Audio products; still, with the Stellar M700, my expectations were exceeded. Having little sound of its own, the M700 delivered well-balanced reproduction that was always faithful to the music… the Stellar M700s came ever so close to matching the sound of my high-end reference monoblocks

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    • Roger Kanno, SoundStage!

      There are many excellent-sounding amplifiers in this price range, but few can put out anywhere near as much power as the Stellar M700, and most of those that do don't sound as refined. PS Audio says that the Stellar M700 is one of the most extraordinary monoblocks ever sold for less than 000/pair. I have to agree. The Stellar M700 is my new favorite entry-level high-end power amplifier

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    • Gary L Beard, Positive Feedback

      In the Stellar M700, PS Audio has designed excellent sounding mono amps that can be the foundation of a reasonably priced high-end audio system. The analog input section is as expansive and natural sounding as the ICE amp modules are powerful and accurate. The resulting sound is a wonderful balance between expression and precision, allowing the amps to disappear within the audio chain. They clearly take on the signal they are fed, allowing a great front end to weave its audio magic

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    • Greg Voth, Stereo Times

      I've been putting source material through the rig with the PS Audio Stellar M700's Mono amps for a month and I have been consistently impressed with their musicality and get up and go. These powerful PS Audio Stellar M700 Mono amplifiers are capable of effortlessly driving demanding loudspeaker loads to concert levels. This may be the first higher-priced component I can't live with out... but wait, there's more

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