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Bryston 7B SST manual

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Table of contents for the manual

  • Page 1

    BRYSTON OWNER’S MANUAL Instructions For Bryston SST Series Amplifiers Model 7B SST[...]

  • Page 2

    7B SST Series Amplifier Table of Contents General Introduction Page 1 Description Installation and Ventilation Rear Panel Input Settings/Connections Page 2 Setting Input Selector Switch Balance Input Connector Configuration Setting Input Sensitivity Output Binding Posts Page 3 Front Panel Description Page 4 LED Indicator (Power-up Sequence) LED Ind[...]

  • Page 3

    7B SST Series Amplifier 1 Introduction Thank you for choosing the 7B SST SERIES mono block Power Amplifier . Bryston welcomes any suggestions you may have, or comments regarding the operation of your amplifier. We consider you, our customer, to be Bryston’s most important resource, and your opinion is very much appreciated. Description 7B SST The[...]

  • Page 4

    7B SST Series Amplifier 2 Rear Panel Input / Output Connections 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 pla[...]

  • Page 5

    7B SST Series Amplifier 3 6. Output binding posts. The RED binding post is the in-phase amplifier output . Connect to this post the (+) terminal on the loudspeaker. The BLUE binding post is the inverted-phase amplifier output . Connect to this post the (-) terminal on the loudspeaker. Note: At no time should either output be connected to a ground, [...]

  • Page 6

    7B SST Series Amplifier 4 Front Panel 1. 'SST POWER' switch The front panel label 'SST POWER', is a touch sensitive membrane switch used to apply or remove a/c line power to the soft start circuitry. Push firmly the center of the switch until the power-up sequence begins. Push again and the amplifier will power-down. ( Note: the[...]

  • Page 7

    7B SST Series Amplifier 5 Power Control 1. Master circuit - breaker. The 7B SST amplifier uses a magnetic-trip circuit breaker (1) to protect the amplifier. This switch should be ‘OFF’ during installation. When switched ‘OFF’ all A/C power is removed from the amplifier, including standby power. The circuit breaker is not the power switch an[...]

  • Page 8

    7B SST Series Amplifier 8 SOFT START AND LOGIC CONTROL AC INPUT REMOTE TRIGGER ON MODULE 2 MODULE MUTE MODULE MUTE MODULE 1 TEMPERATURE MONITOR INPUT SELECT SWITCH REGULATED LOW VOLTAGE SUPPLY POWER AMPLIFIER CLIPING AND CURCUIT MONITOR INPUT BUFFER AND GAIN STAGE SENSITIVTY AND GAIN SWITCH +/-30Vdc +/-30Vdc XLR OR PHONE INPUT SINGLE ENDED INPUT DE[...]

  • Page 9

    7B SST Series Amplifier 9 -130 -50 -120 -110 -100 -90 -80 -70 -60 d B u 20 5k 50 100 200 500 1k 2k Hz -120 +10 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -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[...]

  • Page 10

    10 -1 +15 -0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 d e g 20 20k 50 100 200 500 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 Amplif[...]

  • Page 11

    0 0.01 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 % 20 20k 50 100 200 500 1k 2k 5k 10k 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[...]

  • 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

    7B SST Series Amplifier 13 Technical Specifications Power Output 600 watts per channel into 8 ohms 900 watts per channel into 4 ohms Gain Select and Sensitivity 29dB - 2.3Vin = 600W @ 8 Ohms - (1V Position) 23dB - 4.6Vin = 600W @ 8 Ohms - (2V Position) Input Impedance 50 Kohms single ended 20 Kohms balanced Distortion IM or THD+noise < 0.005% 20[...]

  • Page 14

    BRYSTON 20 -YEAR WARRANTY Bryston products are warranted to be free from manufacturing defects for a minimum of twenty years from the original date of manufacture. This includes parts, labour and return shipping to the first owner and all subsequent owners. Warranty coverage is automatic and commences with the original date of manufacture which is [...]