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PS Audio Stellar S300 - 2 Channel Stereo Power Amplifier (140 Watts)

Rs. 285,000.00
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Description

PS Audio Stellar S300 - 2 Channel Stereo Power Amplifier (140 Watts)

 S300 Amplifier

 From the deepest bass to the warmest, sweetest highs, the Stellar S300 makes any loudspeaker sing and is our most affordable stereo power amplifier ever.

Breathe new life into your loudspeakers with the Stellar S300, a full-sized, affordable stereo power amplifier that honors the music and controls your loudspeakers better than you ever imagined possible. The S300 combines the slam, linearity, and toe-tapping 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 ground breaking. Liberate a wealth of untapped energy trapped in your media library. Plumb music’s subterranean depths and finally hear the bass your speakers were capable of. Revel in rich layers of fine, full detail. Marvel at the deep, extraordinary, wall-to-wall soundstage. Effortless. Lush. Stellar.

 Design

The Stellar S300 stereo power amplifier is a dual mono power amplifier capable of effortlessly driving demanding loudspeaker loads to concert levels. It 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 S300's rich, warm, and engaging sonic character comes from the Analog Cell. It's powerful, authoritative control over the loudspeaker stems from its high current, ultra-low impedance Class D output stage.

 Application

The perfect choice for just about any loudspeaker, the S300 slips into any system, surprising and delighting even the most discriminating Audiophile. Rated at 140 watts per channel into 8‎Ω and 300 watts per channel into 4‎Ω, the S300 has plenty of horsepower for even the most demanding loudspeakers. Your musical library will open up in ways you might not have thought possible, revealing nuance and detail covered up by traditional amplifiers.

 Overview

The S300 is an extraordinarily musical power amplifier rated at 140 Watts per channel into 8Ω and 300 Watts per channel into 4Ω. Power enough for even the most demanding speakers. The S300 design marries the best of two worlds: an ultra linear high-current output power stage with a discrete Class A MOSFET based AnalogCell input stage. Between them, the S300 delivers powerful, authoritative control over the loudspeakers, while maintaining a perfectly layered soundstage under the most complex musical passages. Designed by PS Audio engineer Darren Myers, who invested hundreds of hours of tuning, voicing, and perfectionist tweaking, the results are extraordinarily musical. Stellar amplifiers never draw attention to themselves, and are one of our highest value offerings in amplification, a rare quality in amplifiers of any price.

 The Analog Cell

The connection between preamplifier and power amplifier is critical, for it is at this junction where most essential musical details are easily lost. Nothing in the design of a power amplifier is more important than its input stage when preserving music's finest nuances. In the S300, a unique topology, called the Analog Cell, has been employed to preserve the rich details found in music. The Analog Cell is the heart of the S300's musicality, where rich overlaid 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. The Analog Cell makes all the difference.

 Output Stage

The Stellar S300 is a dual mono design. This means that each channel has its own, separate power supply. Each of the two channels is a complete and independent power supply and power amplification stage, based on a modern Class D ICE module, designed in Denmark. Class D output stages provide near-perfect linearity, low distortion, and high efficiency. Because Class D amplifiers require an output filter to remove their switching noise, they do not have frequency extremes into the many hundreds of thousands of Hertz. Depending on their design, modern Class D amplifiers, like the type used in Stellar, extend high frequencies to about 50kHz. Human hearing limitations are 20kHz, though most listeners rarely have hearing exceeding half that. The S300 provides excellent frequency extremes, low distortion, high efficiency, high damping factor, and a powerful output of 300 watts per channel into the most common loudspeaker loads of 4Ω.

 Features

  • STEREO POWER AMPLIFIER
  • DUAL MONO WITH SEPARATE POWER SUPPLIES
  • POWERFUL MOSFET OUTPUT STAGE
  • RCA SINGLE-ENDED INPUT
  • XLR "TRUE" BALANCED INPUT
  • 140 WATTS PER CHANNEL 8Ω
  • 300 WATTS PER CHANNEL 4Ω
  • 2Ω STABLE
  • VERY LITTLE HEAT PRODUCTION
  • < 0.1% THD 20Hz - 20kHz AT RATED POWER
  • DAMPING FACTOR > 550
  • FRONT PANEL STANDBY BUTTON
  • ZERO-LOSS INPUT
  • DUAL, COPPER, PLATED, OUTPUT BINDING POSTS
  • 13 LBS.
  • INPUT 12 VOLT TRIGGER

Additional Information

Specifications

Unit Weight
13 lbs [5.9 kg]
Unit Dimensions
17”W x 3”H x 12”D (13"D w/connectors)
Shipping Weight
16.5 lbs [7.5 kg]
Shipping Dimensions
22”W x 8”H x 17”D
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
13W
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 per channel)
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 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, 37.5W/4Ω
< 0.01%
Output Power
Both channels driven 120vac mains, 1kHz, 1% THD
8Ω
140W minimum
4Ω
300W minimum
2Ω
Stable for musical transients

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    PS Audio Stellar S300 - 2 Channel Stereo Power Amplifier (140 Watts)

    Rs. 285,000.00
    View product