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Table of Contents
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Summary of Contents for Bryston 28B3
- Page 1 Amplifier Owner’s Manual...
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Page 2: Important Safety Instructions
As of 2006-02-22 Bryston will only warranty Bryston products purchased through authorized Bryston dealers. Bryston products with a date code of 0608 or higher (date code format is “yyww”, where “yy” is the two least significant digits of the year and “ww” is the week of the year) must be accompanied by a copy of the bill-of-sale from a Bryston authorized dealer to qualify for warranty service. -
Page 3: Table Of Contents
Table of Contents Important Safety Instructions ........General................. Welcome ..............Description ............Features ..............Shipping Box and Packing Material ...... Installation and Usage ..........Ventilation ............. Connecting to A/C Power ........Connecting to Loudspeakers ........ Balanced vs. Single Ended Input ......Power Conditioners .......... -
Page 4: General
General shipping carton with plastic foam inserts is available from Bryston for a small fee. Welcome Thank you for your purchase of a Bryston 28B Installation and Usage (Cubed) amplifier! Decades of ongoing research Ventilation and development have produced our highest Bryston has deliberately chosen to omit fans from performing amplifiers yet. -
Page 5: Connecting To Loudspeakers
Connecting Audio Inputs connectors that may become confused for AC power connectors. Cables should be dressed away The Bryston Cubed amplifier can receive analog from input and power cables. audio from any preamp or surround processor with volume controlled line-level outputs. Balanced XLR Banana plugs offer a quick disconnect option. -
Page 6: Balanced Vs. Single Ended Input
Maximum tightening torque is 4.5 lb-in (0.5Nm) voltage to the ‘IN’ terminals of connector (fig. 1). Use paired wire of 22 to 18 gauge between the source Figure 1 device and the Bryston Cubed series amplifier. The appropriate mating connector is supplied with each amplifier. -
Page 7: Front Panel
Amplifier Front Panel CLIPPING (flashing red) Clipping occurs when the channel output level 1. Power/Standby Switch: no longer can follow the level increase at the The front panel features a push-on/push-off input (over driven input condition). When a type latching power switch used to apply or channel is driven into clipping, the channel remove A/C line power to the SoftStart circuitry. -
Page 8: Rear Panel
BALANCED INPUT POSITIVE NEGATIVE OUTPUT OUTPUT WARNING Do not connect positive terminals to negative terminals. Do not connect any speaker terminals to ground. Risk of hazardous energy. Make proper speaker connections. Use class 2 wiring. AVERTISSEMENT Ne pas raccorder les bornes positives aux bornes négatives. - Page 9 Switch the breaker to the ‘ON’ position. frequency, and serial number. Reconnect the power cord, then power the unit up normally. The circuit breaker must be ‘ON’ 28B3 -17-SIL-120 at all times for the Cubed Series amplifier to ~120V 60Hz 2200W operate.
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Page 10: Specifications
Specifications Power Output 8Ω Load: 1000W Per Channel Gain High: 29dB 28.28 V/V Sensitivity High: 1.0V 100W (into 8Ω) High: 3.2V 1000W Input Individual Mode Impedance Single Ended ≈15kΩ Balanced + ≈15kΩ Balanced - ≈15kΩ 60Hz+7kHz 4:1 <0.005% THD+N 20Hz-20kHz @ 1000W, 8Ω <0.005% Noise (input Single Ended: <-116dB... -
Page 11: Dimensions
Amplifier Dimensions 17” C Series 8.1 in. 17 in. Minimum recommended clearance for heat dissipation 16.8 in. 19” C Series (includes front handles) 19 in. 18.4 in. 7 in. 7.8 in. 19 in. - Page 12 Bryston Limited | 677 Neal Drive | Peterborough, Ontario K9J 6X7 Canada | Phone: 705-742-5325 | www.bryston.com 300046 2016-02-04...
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