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PS Audio Stellar S300 Power Amplifier

SKU: PS_AUDIO_STELLAR_S300
Manufacturer: PS Audio
*
2,299.00 (CAD)

*** Free Shipping (Canada) / Usually ships in 2 - 4 business days / non-returnable ***

Breathe new life into your loudspeakers with the Stellar S300, one of the most extraordinary under $5,000 stereo power amplifiers ever crafted. 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.

Features:

- Stereo power amplifier
- Dual mono, each with their own power supply
- Zero-loss Analog Cell input stage
- Powerful MOSFET output stage
- RCA Single ended input
- XLR “true” balanced input
- 140 watts per channel 8Ω
- 300 watts per channel 4Ω
- 2Ω stable
- Less than 0.1% thd 20Hz to 20kHz at rated power
- Damping factor greater than 550 for excellent loudspeaker control
- Front panel standby button
- Efficient operation with very little heat
- 27 pounds
- Input 12 volt trigger
 
Specifications:
 
- Weight: 13 lbs
- Dimensions: 17” x 3” x 12” Chassis only. 13" deep including connectors.
- Color Options: Black, Silver
- Voltage: 120VAC
- Mains Power Inputs: IEC C14
- Accessories Included US (NEMA 5-15P)
- 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
 
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 (Both channels driven 120vac mains, 1kHz, 1% THD)
- 8Ω 140W minimum
- 4Ω 300W minimum
- 2Ω Stable for musical transients

*** Free Shipping (Canada) / Usually ships in 2 - 4 business days / non-returnable ***

Breathe new life into your loudspeakers with the Stellar S300, one of the most extraordinary under $5,000 stereo power amplifiers ever crafted. 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.

Features:

- Stereo power amplifier
- Dual mono, each with their own power supply
- Zero-loss Analog Cell input stage
- Powerful MOSFET output stage
- RCA Single ended input
- XLR “true” balanced input
- 140 watts per channel 8Ω
- 300 watts per channel 4Ω
- 2Ω stable
- Less than 0.1% thd 20Hz to 20kHz at rated power
- Damping factor greater than 550 for excellent loudspeaker control
- Front panel standby button
- Efficient operation with very little heat
- 27 pounds
- Input 12 volt trigger
 
Specifications:
 
- Weight: 13 lbs
- Dimensions: 17” x 3” x 12” Chassis only. 13" deep including connectors.
- Color Options: Black, Silver
- Voltage: 120VAC
- Mains Power Inputs: IEC C14
- Accessories Included US (NEMA 5-15P)
- 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
 
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 (Both channels driven 120vac mains, 1kHz, 1% THD)
- 8Ω 140W minimum
- 4Ω 300W minimum
- 2Ω Stable for musical transients
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