Bryston 4B SST, 3B SST owner manual Rear Panel Input / Output Connections

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3B SST and 4B SST Series Amplifiers

Rear Panel Input / Output Connections

 

1/4” PHONE PLUG

 

 

 

 

 

 

2

1

4

5

 

 

 

 

 

XLR TYPE

RCA PLUG

 

3

6

 

 

 

 

Fig 1

1. Input Select Switch.

Each SST channel gives the user the option of switching between either balanced input or single ended input.

2. Balanced Input connector. ( Imp. 20k )

This input connector accepts standard ‘XLR’ or 1/4” TRS .

Use quality, 100% shielded cables with gold plated connectors.

3. Single Ended Input. ( Un-balanced input ) ( Imp. 50k )

This input connector accepts standard ‘RCA’ or ‘Phono’ connectors.

Use quality, 100% shielded cables with gold plated connectors.

Balanced input Vs Single ended input:

The balanced input requires a balanced pre-amp source. Balanced systems provide noise rejection from external electrical interference, so cable length can be very long ( 50m or longer ).

The single ended or unbalanced input is provided for pre-amps without balanced output. Single-ended cables should be kept to 20’ (7m) or less. In general never use longer cables than necessary, never coil excess cable length, and keep signal wires away from AC power or speaker cables.

4. Input Sensitivity (Gain) Switch.

The optimum gain setting will depend upon the source pre-amp operating level, and or personal preference.

The 1v setting is used when the source is single-ended, or from a transformer coupled balanced source. This is the home theatre setting for single ended or un-balanced operation.

The 1v setting provides the most amplifier gain - 29 dB. (1v in = 100w @ 8 ohms.) (noise -110 dB)

The 2v setting is used when the sources output is actively Balanced.

This is the home theatre setting for balanced operation Or use this setting with any systems where the volume control rotation is limited to the bottom half of the control or less.

The 2v setting provides an amplifier gain - 23 dB. ( 2v in = 100w @ 8 ohms.) ( noise -113 dB )

The noise is referenced in dB below rated output. Different input configurations result in slightly different noise readings. The above noise ratings represent minimum readings, actual readings may be better.

5.Mode Switch. (individual or bridge mode) The individual setting is for two channel operation. Bridge mode is for mono operation.

6.Level Control. (pro models only)

The level control will attenuate the input signal level from 0dB through -14dB.

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Contents Page Table of Contents 3B SST and 4B SST Series AmplifiersThank you for choosing an SST Series Stereo Power Amplifier Never operate the amplifier in a vertical positionRear Panel Input / Output Connections Coin Output binding postsFront Panel Power Control Fig W3B 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 THD+N Sweep 3BSST Typical THD+N Sweep 4BSST Typical IMD Sweep 3BSST Typical IMD Sweep 4BSSTDamping Factor 3BSST and 4BSST Typical Crosstalk 3BSST and 4BSSTPower Output DimensionsPower Consumption & Heat Load Dimensions L x H x DOperating Bryston 3B & 4B Amplifiers in Bridged Mode Check 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.
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