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Bryston 2.5B3 Owner's Manual
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Bryston 2.5B3 Owner's Manual

Bryston 2.5B3 Owner's Manual

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2.5B
Amplifier
3
Owner's Manual

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Summary of Contents for Bryston 2.5B3

  • Page 1 2.5B Amplifier Owner’s Manual...

  • 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

    Dimensions ..............General finish and also include individual channel trims located on the rear panel. Welcome Thank you for your purchase of a Bryston 2.5B Features (Cubed) amplifier! Decades of ongoing research Bryston 2.5B includes the following features: and development have produced our highest •...

  • Page 4: Installation And Usage

    Installation and Usage Ventilation Connecting to Loudspeakers: Bryston has deliberately chosen to omit fans from 2 Channel Mode our amplifiers in an effort to minimize the noise Connection to loudspeakers is accomplished by level in your listening environment. Instead, we use...

  • Page 5: Balanced Vs. Single Ended Input

    5/16” (8mm ), lug width 5/8” (16 mm). the energy storage in a large toroidal transformer Gold plated spade lugs are available from Bryston. to provide high instantaneous power and reduce the substantial AC output resistance of the wall Stripped bare wire up to 3 gauge can be inserted socket and house wiring.

  • Page 6: Connecting To Loudspeakers: Bridged Mode

    is 2 amps. The amplifier’s control circuitry itself To prevent the risk of equipment damage or draws less than 2 mA from the control current when personal harm, use only Class 2 rated loudspeaker operating. wire properly terminated and connected securely to the binding posts.

  • Page 7: Front Panel

    2.5B 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

    single-ended or from a transformer coupled Rear Panel balanced source. This is the typical for single 1. Input Select Switch: ended or un-balanced operation. The 29dB Select either Balanced or Single Ended audio setting provides the most amplifier gain and input.
  • Page 9 AC power connectors. Cables should be dressed 2.5B3-17-SIL-120 away from input and power cables. ~120V 60Hz 745W Serial No: 2.5B3-00000 7.
  • Page 10 2.5B Specifications Power Output 8Ω Load: 135W Per Channel Bridge Tied Bridged 8Ω Load: 270W Load Gain High: 29dB 28.28 V/V Low: 23dB 14.14 V/V Sensitivity High: 1.0V 100W (into 8Ω) High: 1.16V 135W Low: 2.0V 100W Low: 2.32V 135W Input Individual Mode Impedance...

  • Page 11: Dimensions

    2.5B Amplifier Dimensions Minimum recommended clearance for heat dissipation 14.265 14.265 17" or 19"...
  • Page 12 Bryston Limited | 677 Neal Drive | Peterborough, Ontario K9J 6X7 Canada | Phone: 705-742-5325 | www.bryston.com 300042 2016-01-19...