PS Audio Stellar M700 Mono Power Amplifier ( Pair )

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.

$4,495.00

SKU: m700 pair Categories: ,

Product Description

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.

Features

    • 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
    • 2Ω stable
    • Less than 0.1% thd 20Hz to 20kHz at rated power
    • Damping factor 200 for excellent loudspeaker control
    • Front panel standby button
    • Effieicient operation with very little heat
    • Dual, solid copper, plated, output binding posts
    • Input 12 volt trigger

SPECIFICATIONS

General
Unit Weight: 6 kg (each)
Unit Dimensions (W x H x D mm):432 x 80 x 310. 331mm deep including connectors.
Shipping Weight: 7.5 kg
Shipping Dimensions (W x H x D mm): 560 x 210 x 432
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
Audio Inputs: RCA (Unbalanced)
XLR (Balanced)
Speaker Outputs: Copper base nickel plated binding posts (2 pair)
Other: DC Trigger Input: 3.5mm 5-15VDC
Warranty: 3 years parts and labor

Signal
Gain: 30.5dB +/-0.5dB
Sensitivity for rated output power: 1.01V
Noise: 1kHz@300 Watts <-100dB

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
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, 37.5W/4Ω: < 0.01%

Output Power
120v ac mains, 1kHz, 1% THD
8Ω 350W minimum
4Ω 700W minimum
2Ω Stable for musical transients

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