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BRYSTON

OWNER’S MANUAL

Instructions For Bryston

SST Series Amplifiers 

Model 7B SST 

Summary of Contents for 7B SST C

Page 1: ...BRYSTON OWNER S MANUAL Instructions For Bryston SST Series Amplifiers Model 7B SST ...

Page 2: ...tor Configuration Setting Input Sensitivity Output Binding Posts Page 3 Front Panel Description Page 4 LED Indicator Power up Sequence LED Indicator Operating Conditions Power Control Panel Page 5 Master Circuit Breaker AC Power Input Local Auto Switch Local External Switch Block Diagrams Page 8 Typical Performance Graphs Page 9 12 Technical Specifications Page 13 Important Warranty Information Ba...

Page 3: ... install directly above other heat gener ating equipment Should your instillation conditions be constricted then additional forced air cooling may be necessary Bryston can provide an optional fan package if required Thermal shut down during operation indicates insufficient air flow and a remedy must be found for cooling the amplifier Provide a minimum 6 space to the rear of the amplifier for venti...

Page 4: ...l 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 ...

Page 5: ... power connectors Cables should be dressed away from input and power cables 1 Banana plugs offer a quick disconnect option Before inserting a banana plug into the binding post be sure to tighten the post nut to avoid rattling and to provide full insertion of the banana plug Gold plated locking banana plugs are available from Bryston 2 Spade lugs provide high contact area and secure fastening Lugs ...

Page 6: ...ns power is present and the amplifier probably needs only to be pow ered on or the rear panel circuit breaker is switched off Clipping flashing red Clipping occurs when the channel output level no longer can follow the level increase at the input Overdriven input con dition When the 7B SST is driven into clipping the LED will change from green to red then back to green when the level is reduced Fl...

Page 7: ...e SST amplifier using an external control voltage Supply a 4v to 12v A C or DC control voltage to the IN terminals of connector 5 Use paired wire of 22 to 18 gage sufficient in length between the source device and the SST amplifier see W Select switch 4 to External The amplifier will now power up only when the control voltage is present on Immediately following power up the control voltage will ap...

Page 8: ... G A I N S T A G E S E N S I T I V T Y A N D G A I N S W I T C H 30Vdc 30Vdc X L R O R P H O N E I N P U T S I N G L E E N D E D I N P U T D E D I C A T E D H I G H C U R R E N T P O W E R S U P P L Y 65Vdc O U T P U T L E D T E M P E R A T U R E M O N I T O R R E G U L A T E D L O W V O L T A G E S U P P L Y P O W E R AMPLIFIER C L I P I N G A N D CURCUIT M O N I T O R I N V E R T E R 30Vdc 30Vdc...

Page 9: ...10 0 d B r A R E F 1 5 0 W 8 O H M S 10k 130k 20k 30k 40k 50k 60k 70k 80k 90k 100k 110k 120k Hz Typical Band pass Noise Typical THD N Harmonic Content Power supply artifacts are all below 95 dBu balanced input with 23dB 2v gain shown The harmonic content of the 7B SST is all even order dBu dB relative to a reference of 0 7746 Volts ...

Page 10: ...100 200 500 1k 2k 5k 10k Hz 1 0 5 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 d B r A 20 50k 50 100 200 500 1k 2k 5k 10k 20k Hz Typical Frequency Response 7BSST Typical Phase Response 4 ohm 900w 8 ohm 600w 8 ohm 600w 4 ohm 900w 7B SST Series Amplifier ...

Page 11: ...k Hz Typical THD N Sweep 4 ohm 900w 8 ohm 600w 7B SST Series Amplifier 11 0 0 01 0 001 0 002 0 003 0 004 0 005 0 006 0 007 0 008 0 009 2k 20k 3k 4k 5k 6k 7k 8k 9k 10k Hz Typical IMD Sweep 8 ohm 600w 4 ohm 900w Graph shows that distortion is essentially unaffected by load 2v balanced input shown ...

Page 12: ...12 0 800 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 D F 20 20k 50 100 200 500 1k 2k 5k 10k Hz Damping Factor 8 ohm reference 7B SST Series Amplifier ...

Page 13: ...put 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 300 at 20 Hz ref 8 ohms Dimensions L x H x D 19 version with handles 48 3 x 13 3 x 32cm 19 x 5 25 x 15 75 mounted rack depth 28cm 11 0 17 version 43 2 x 13 3 x 28cm 17 x 5 25 x 11 Weight approx 22kg 5...

Page 14: ... not resulting from a defect or malfunction or abuse while in the possession of the customer Tampering by persons other than factory authorized service personnel or failure to fully comply with Bryston operating instructions voids the warranty This warranty gives you specific legal rights and you may also have other rights which may vary from province to province and country to country BRYSTON LTD...

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