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Bryston 28B3, Owner'S Manual

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Bryston 28B3 Owner'S Manual Download Page 10

10

28B

3

 Specifications

Power Output

Per Channel

8Ω Load:

 

1000W

Gain

High: 29dB 28.28 V/V

Sensitivity 

(into 8Ω)

High: 1.0V

High: 3.2V

100W

1000W

Input 

Impedance

Individual Mode

Single Ended

Ba

Balanced -

≈15kΩ

≈15kΩ

≈15kΩ

IMD

60Hz+7kHz 4:1 <0.005%

THD+N

20Hz-20kHz @ 1000W, 8Ω <0.005%

Noise (input 

shorted, 22Hz-

22kHz)

Single Ended: 

Balanced: 

<-116dB 

<-117dB

Slew Rate

>65V / µS

Bandwidth

<1Hz to >100kHz -3dB

Damping

20Hz, 8Ω

>300

Weight

Pounds:

Kilograms:

93

42

Power 

Consumption 

(Watts)

Standby:

Idle:

1000W 8Ω:

166W 8Ω:

<0.5

≤225

1790

810

Heat Load  

(BTU/Hour)

Idle:

1000W 8Ω:

166W 8Ω:

≤768

6108

2764

Summary of Contents for 28B3

Page 1: ...28B3 Amplifier Owner s Manual ...

Page 2: ...AIN READILY OPERABLE BRYSTON LIMITED WARRANTY Bryston analog audio products are warranted to be free from manufacturing defects for twenty 20 years from the original date of manufacture The warranty includes parts and labour Bryston digital products and cables are warranted for five years from the original date of manufacture The warranty includes parts and labour Bryston products having motorized...

Page 3: ...Description 4 Features 4 Shipping Box and Packing Material 4 Installation and Usage 4 Ventilation 4 Connecting to A C Power 4 Connecting to Loudspeakers 5 Balanced vs Single Ended Input 6 Power Conditioners 6 Front Panel 7 Rear Panel 8 28B3 Specifications 10 Dimensions 11 ...

Page 4: ...ise Replacement packing materials consisting of a shipping carton with plastic foam inserts is available from Bryston for a small fee Installation and Usage Ventilation Bryston has deliberately chosen to omit fans from our amplifiers in an effort to minimize the noise level in your listening environment Instead we use only passive heat sinks which are fully capable of maintaining a safe operating ...

Page 5: ... be kept as short as practical and should never be terminated with connectors that may become confused for AC power connectors Cables should be dressed away from input and power cables 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 lockin...

Page 6: ...ision and clarity External Control Voltage To power up the amplifier using an external control voltage supply a 5V to 12V AC or DC control voltage to the IN terminals of connector fig 1 Use paired wire of 22 to 18 gauge between the source device and the Bryston Cubed series amplifier The appropriate mating connector is supplied with each amplifier Set the External Turn On switch to External See 7 ...

Page 7: ...ccurs when the channel output level no longer can follow the level increase at the input over driven input condition When a channel is driven into clipping the channel LED will change from green to red then back to green when the level is reduced Momentary clipping can be tolerated however it indicates that maximum undistorted power has been surpassed and potential speaker damage may result if ove...

Page 8: ... wire Combinations may be used when bi wiring Cables should be kept as short as practical and should never be terminated with connectors that may become confused for AC power connectors Cables should be dressed away from input and power cables Only use Class 2 Rated Wiring No other wiring is permitted for use 5 Master Circuit Breaker The Cubed series amplifier uses a magnetic trip circuit breaker ...

Page 9: ...n the Power On state is governed by voltage applied to IN terminals of the Remote Power Up connector The front panel power switch must remain in the ON position External Control Voltage on page 6 for instructions regarding connection and usage 8 Power Status Indicator Plugging in the power cord applies power to the amplifier The status indicator will initially flash green The number of flashes ind...

Page 10: ...nded Balanced Balanced 15kΩ 15kΩ 15kΩ IMD 60Hz 7kHz 4 1 0 005 THD N 20Hz 20kHz 1000W 8Ω 0 005 Noise input shorted 22Hz 22kHz Single Ended Balanced 116dB 117dB Slew Rate 65V µS Bandwidth 1Hz to 100kHz 3dB Damping 20Hz 8Ω 300 Weight Pounds Kilograms 93 42 Power Consumption Watts Standby Idle 1000W 8Ω 166W 8Ω 0 5 225 1790 810 Heat Load BTU Hour Idle 1000W 8Ω 166W 8Ω 768 6108 2764 ...

Page 11: ...28B3 Amplifier 11 8 1 in 7 8 in 7 in 4U 17 in 19 in 19 in 18 4 in 16 8 in Dimensions Minimum recommended clearance for heat dissipation 17 C Series 19 C Series includes front handles ...

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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