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61877
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Bryston 2B.5³ PRO 100-Watt Stereo Power Amplifier

Power amplifier operating - 100 watts stereo at 8 ohms, 200 watts at 4 ohms, and 300 watts bridged
MFR# 2B.53-PRO
Shop All Bryston Limited
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Product Description

The Bryston 2.5B3³ PRO is a compact, high quality, dual-channel (stereo) power amplifier intended for use in home sound systems requiring a musically accurate, extremely reliable, no compromise power source.

Inputs: 2x Balanced Inputs (XLR or TRS), 2x Single Ended Inputs (RCA)

Features:

  • Individual channel trim pots
  • Rack mountable 19" black faceplate (2U)
  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23 dB or 29 dB
  • Regulated power supplies to all voltage gain stages
  • Independent power supplies for each channel
  • Convection cooled and housed in a fully aluminum chassis
  • No fans or other moving parts
  • Bridging switch configures amplifier into a single 360 W Channel

Power Capabilities:

  • 135 W into 8Ω
  • 180 W into 4Ω
  • 360 W into 8Ω (Bridged Mono)

Specifications:

  • Harmonic Distortion: ≤.005% from 20 Hz to 20 kHz at 135 W
  • Noise: 115 dB below full output
  • Slew Rate: >60 V/µS
  • Power Bandwidth: .5 Hz to >100 kHz
  • Damping Factor: >500 at 20 Hz (8Ω)
  • Switchable Gain: 23 dB or 29 dB

Product Specifications

Condition New
Input Connectors RCA, 1/4-inch TRS, XLR Combo Jack TRS
Output Connectors Binding Post
Amp Wattage 135 W @ 8Ω; 180 W @ 4Ω; 360 W @ 8Ω (bridged Mono)
Impedance 4 or 8 Ohms

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
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Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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