The 2.5B 3 is a dual-mono design audio power amplifier with two channels capable of 135 watts each intended for use in very high performance professional audio systems. Robust yet beautiful machined aluminum enclosures house our proprietary industry-leading circuit designs resulting in exemplary performance observed both in the listening space and in the laboratory.

C-Series variants are available in your choice of 17 inch or 19 inch wide non-rack mountable aluminum dress panels anodized in clear (silver toned) or black. PRO amplifiers feature 19 inch wide rack mountable dress panels in a black anodized front finish and also include individual channel trims located on the rear panel.

Power Capabilities:

135W into 8

180W into 4

360W into 8 (Bridged Mono)

Active extremely low distortion input buffer

Balanced and unbalanced inputs

Selectable gain at 23 or 29dB

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 360W Channel

Harmonic Distortion: < .005% from 20Hz - 20kHz at 135W

Noise: 115dB below full output

Slew Rate: < 60V/µS

Power Bandwidth: .5Hz - > 100kHz

Damping Factor: > 500 at 20Hz (8)

Gain: Switchable - 23dB or 29dB