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Modwright KWA 150 / 150 SE Stereo Power Amplifier

Quick Overview

ModWrigh Instruments KWA 150 / KWA 150SE Stereo Power Amplifier

The KWA 150 provides the strengths of both tube and solid state products: 3-D sound-staging, holographic imaging, and a beautiful midrange of tubes, combined with sparkling highs, low distortion, bass resolution, and control of solid state.

The heart of the KWA 150 Amplifier is a single voltage gain stage called the Solid State Music Stage. The circuit was developed by Alan Kimmel, creator of the exceptional vacuum tube Mu stage.

Features include: high-low bias switch, stereo/bridge-mono switch and true balanced floating inputs, accepting balanced and unbalanced inputs. The design incorporates a regulated power supply for the input stage, Cardas best connectors an oversized heat sinks. The first watts operate in pure Class A.

The KWA 150 uses no global feedback, is direct-coupled, fully differential, dual-mono, bridgeable, and designed and built in the USA

Also available in SE version, with upgraded parts.

Manufacturer's website ModWright


Please find reviews below:

" Hi Fi News " Magazine Review , August 2014;7995-pre-with-psu-pound;6795-power/20422

" The Absolute Sound " Magazine Review

6 Moons " Online Magazine Review

Enjoy The Music " Online Magazine Reveiw

Best Audiohpile Product Of 2012 Blue Note Award

Canada Hi Fi " Online Magazine Reveiw

10 Audio " Online Magazine Review

Demo at Absolute Hi End

ModWright KWA 150 SE Specifications

Power Ratings:
• 150W @ 8 ohms (Stereo) @ .06% THD.
• 450W @ 8 ohms (Bridged Mono) @ .06% THD.
• 200W @ 4 ohms (Stereo) @ .06% THD.
• 650W @ 8 ohms (Bridged Mono) @ .06% THD.
Technical Specification:
• Bandwidth: 10Hz - 100Khz (+0, -1dB)
• Noise Floor: -100dB
• Channel Separation: -75dB below 20Khz
• Gain: 26dB
• Input Impedance: Min. 15K at 50Hz; 23K at 1Khz
Weight and Dimensions:
• Dimensions: 17"W x 17"D x 8.5"H
• Shipped Weight: 84lb