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Mono power amplifier pair
Zero-loss Analog Cell input stage
Powerful MOSFET balanced output stage
RCA Single ended input
XLR “true” balanced input
350 watts into 8Ω
700 watts rms into 4Ω
Less than 0.1% thd 20Hz to 20kHz at rated power
Damping factor 1100 for excellent loudspeaker control
Front panel standby button
Efficient operation with very little heat
Dual, solid copper, plated, output binding posts
Input 12 volt trigger
Stellar M700 Mono Amplifier
700 watt Analog Cell power amplifier pair
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. The M700 combines the slam, linearity, control and pacing of a Class D output stage with the warmth, grace, and rich inner detail of Stellar’s Class A Analog Cell. The results are nothing short of breathtaking. Liberate all the toe-tapping energy trapped in your media library. Plumb music’s subterranean depths as your system gives you more bottom end than you thought possible. Revel in rich layers of fine, full detail. Marvel at the deep, extraordinary, wall-to-wall soundstage. Control your loudspeakers as never before. Effortless. Lush. Stellar.
The problems faced when crafting a new power amplifier are many—delivering sufficient power, control, frequency extension, and dynamics while maintaining a perfectly layered soundstage under the most complex musical passages.
All amplifiers sound different. What determines sound quality are the components and topologies of the amp’s input voltage stage and output current stage. Each section should complement the other. Between them, the amp develops its sound.
Stellar’s design imperatives—affordable pricing, uncompromised sonics—were major challenges solved by the invention of a unique new circuit christened the Analog Cell™.
Stellar engineer Darren Myers had planned from the outset to take advantage of Class D’s high current, low distortion, ruler flat linearity for the output stage—knowing full well it is the input stage that determines sonic character. This critical interface between preamplifier and power amplifier is where Stellar’s magic would be unveiled; where Myers could lavish upon the music the sweet, tube-like quality of Class A biased MOSFETs. His challenge was to synergistically marry both input and output topologies, for which he invented Stellar’s Analog Cell.
The Analog Cell is the heart of the M700’s musicality, where richly overlayed layers of music’s inner details are preserved even in the most complex orchestral crescendos. The Analog Cell is a proprietary, fully differential, zero feedback, discrete, Class A MOSFET circuit, hand-tuned to capture the smallest micro dynamics without sacrificing the loudest macro dynamics music has to offer.
Stellar M700 Mono AmplifierUnit Weight13 lbs [5.9 kg] (each) Unit Dimensions17”W x 3”H x 12”D (13"D w/connectors)
17”W x 6”H x 12”D (Stacked)
Shipping Weight16.5 lbs [7.5 kg] (each)
Shipping Dimensions22”W x 8”H x 17”D (each) Color OptionsBlack
Silver Voltage Options
(Factory set only)Japan 100V
North America 120V
Europe/Asia/Australia/New Zealand 230V Mains Power InputsIEC C14 Idle Power Consumption23W Accessories IncludedUS (NEMA 5-15P) (all versions)
Schuko (CEE7/7) (230V version)
UK (BS 1363) (230V version) Audio InputsRCA (Unbalanced)
XLR (Balanced) Speaker Outputs Copper base nickel plated binding posts (2 pair) DC Trigger Input 3.5mm 5-15VDC Warranty3 years parts and labor
SignalGain30.5dB +/-0.5dB Sensitivity for rated output power1.6V Noise1kHz@700 Watts < -105dB Input impedance Unbalanced 50KΩ
Balanced 100KΩ Output Impedance50Hz, 2.8VRMS <0.007Ω Damping factor50Hz. 2.8VRMS
4Ω >550 Frequency Response2.8VRMS into 4Ω
10Hz – 20KHz +/- 0.5dB
10Hz – 50KHz +0.1/-3.0dB
THD&IM1KHz, 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 Power120vac mains, 1kHz, 1% THD 8Ω350W minimum 4Ω700W minimum 2ΩStable for musical transients
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