Bryston 3B SST, 4B SST Power Output, Gain Select and Sensitivity, Input Impedance, Dimensions

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3B SST and 4B SST Series Amplifiers

3BSST

Technical Specifications

4BSST

Power Output

150 watts per channel into 8 ohms

250 watts per channel into 4 ohms

Gain Select and Sensitivity

29dB - 1.3Vin = 150W @ 8 Ohms - (1V Position) 23dB - 2.6Vin = 150W @ 8 Ohms - (2V Position)

Input Impedance

50 Kohms single ended

20 Kohms balanced

Distortion IM or THD+noise

<0.005% 20Hz to 20kHz at 150 watts into 8 W

<0.007% 20Hz to 20kHz at 250 watts into 4 W

Noise Measured with input shorted - 20Hz to 20kHz. >110dB below rated output 29dB gain (- 75dBu) >113dB below rated output 23dB gain (- 78dBu)

Slew Rate > 60 volts per microsecond Power Bandwidth < 1 Hz to over 100 kHz Damping Factor Over 500 at 20 Hz, ref. 8 ohms

Dimensions

19” version with handles - L x H x D

48.3x 13.3 x 32cm - 19” x 5.25” x 12.5“ mounted rack depth - 28cm - 11.0"

17” version

43.2 x 13.3 x 28cm - 17” x 5.25” x 11“

Weight: approx. 18kg - 40 lbs

 

Power Consumption & Heat Load

 

At Idle -

127 Watts

Max. Heat Dissipation -

433 Btu/Hr.

2 channels @ 150W @ 8 ohms -

668 Watts

Max. Heat Dissipation 8 ohms -

1255 Btu/Hr.

2 channels @ 250W @ 4 ohms - 1096 Watts

Max. Heat Dissipation 4 ohms -

2033 Btu/Hr.

Bridged @ 450W @ 8 ohms -

1053 Watts

Max. Heat Dissipation 8 ohms -

2057 Btu/Hr.

Power Output

300 watts per channel into 8 ohms

500 watts per channel into 4 ohms

Gain Select and Sensitivity

29dB - 1.8Vin = 300W @ 8 Ohms - (1V Position) 23dB - 3.6Vin = 300W @ 8 Ohms - (2V Position)

Input Impedance

50 Kohms single ended

20 Kohms balanced

Distortion IM or THD+noise

<0.005% 20Hz to 20kHz at 300 watts into 8 W

<0.007% 20Hz to 20kHz at 500 watts into 4 W

Noise Measured with input shorted - 20Hz to 20kHz. >110dB below rated output 29dB gain (- 75dBu) >113dB below rated output 23dB gain (- 78dBu)

Slew Rate > 60 volts per microsecond Power Bandwidth < 1 Hz to over 100 kHz Damping Factor Over 500 at 20 Hz, ref. 8 ohms

Dimensions L x H x D

19” version with handles -

48.3x 13.3 x 43.8cm - 19” x 5.25” x 17.25“ mounted rack depth - 40.1cm - 15.75" 17” version

43.2x 13.3 x 40.1cm - 17” x 5.25” x 15.75“

Weight: approx. 22kg - 50 lbs

 

Power Consumption & Heat Load

 

At Idle -

170 Watts

Max. Heat Dissipation -

580 Btu/Hr.

2 channels @ 300W @ 8 ohms - 1280 Watts Max. Heat Dissipation 8 ohms - 2320 Btu/Hr.

2 channels @ 500W @ 4 ohms - 2100 Watts

Max. Heat Dissipation 4 ohms -

3750 Btu/Hr.

Bridged @ 900W @ 8 ohms -

2040 Watts

Max. Heat Dissipation 8 ohms -

3890 Btu/Hr.

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Contents Page 3B SST and 4B SST Series Amplifiers Table of ContentsNever operate the amplifier in a vertical position Thank you for choosing an SST Series Stereo Power AmplifierRear Panel Input / Output Connections Output binding posts CoinFront Panel Fig W Power Control3B SST and 4B SST Series Amplifiers Typical Band-pass Noise 3BSST Typical Band-pass Noise 4BSST Typical Phase Response 3BSST Typical Phase Response 4BSST Typical IMD Sweep 3BSST Typical IMD Sweep 4BSST Typical THD+N Sweep 3BSST Typical THD+N Sweep 4BSSTTypical Crosstalk 3BSST and 4BSST Damping Factor 3BSST and 4BSSTDimensions Power OutputPower Consumption & Heat Load Dimensions L x H x DCheck OUR WEB Site AT www@bryston.ca Phone 802- 334-1201 FAXPhone 705-742-5325 FAX
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3B SST, 4B SST specifications

The Bryston 4B SST and 3B SST power amplifiers are renowned in the audio industry for their exceptional performance and reliable build quality. Designed for both audiophile and professional applications, these amplifiers bring out the finest detail in music while delivering high power and low distortion.

One of the main features of the Bryston 4B SST is its power output capability. It can deliver up to 300 watts per channel into 8 ohms, making it an ideal choice for driving demanding speakers with ease. The 3B SST, while smaller, still offers impressive performance with 100 watts per channel into 8 ohms. This versatility means both amplifiers can accommodate a variety of audio setups, whether in a home theater or a high-fidelity stereo system.

The SST series incorporates Bryston’s proprietary amplifier technology known as “Squared” which allows for class A performance with an overall class AB operation. This design minimizes distortion and provides a warm, natural sound. Alongside this, the amplifiers feature a highly efficient, low-noise toroidal power transformer that contributes to their impressive transient response, allowing music to play with precision.

Another standout characteristic is the build quality. Both the 4B SST and 3B SST are constructed using a sturdy 17-inch faceplate made from aluminum, designed to withstand the rigors of both studio and home environments. The amplifiers also feature a uniquely designed heat-sink system that keeps temperatures in check during heavy operations, ensuring optimal performance without overheating.

Bryston amplifiers also boast a long lifespan, backed by a 20-year warranty on their products, which speaks volumes about their reliability and customer confidence. They include fully balanced input circuitry, allowing for low noise pickup and signal integrity over long cable runs.

Furthermore, the 4B SST and 3B SST are equipped with user-friendly features like RCA and XLR connections for flexible integration into a range of audio systems. With their transparent sound reproduction, high power output, and robust construction, the Bryston 4B SST and 3B SST amplifiers continue to be the preferred choice among audio enthusiasts and professionals alike. Their enduring legacy is rooted in their commitment to superior sound quality and long-lasting performance.