For your consideration an absolutely wonderful sounding Modwright KWA-150 with Signature Edition (SE) upgradedl input board/circuit, including Lundahl transformers, the best available! I had this upgraded at the factory by Dan Wright about 2 years ago.The sound of the KWA-150 eclipsed my rather nice Cary and Bat tube amps, and easily bettered every solid state (Class A, AB and D, Hypex, etc.) I've tried. I agree with the 10 Audio review (http://www.10audio.com/modwright_kwa150se.htm) that it betters the Bryston and Parasound JC-1's in most respects, and does so amazingly at its price. This amp is in perfect functional condition and has only a very small knick as the only minor physical blemish I can find. I'm only selling to fund a SET amp purchase/experiment for my new high efficiency speakers, even though the Modwright sounds glorious on them as well. $3900obo. Shipping to be paid by buyer, and I'll split the 3% PayPal fee if that is the payment method of choice. Only one pic for now as getting this near 90lb amp out of my equipment rack is a challenge, but can take more pics upon request. From Modwright: Power Ratings:
150W 8 ohms (Stereo)
450W 8 ohms (Bridge Mono)
250W 4 ohms (Stereo)
650W 4 ohms (Bridge Mono)
Bandwidth: 10Hz – 100Khz (+0, -1dB)
Noise Floor: -100dB.
Channel Separation: -75dB below 20Khz.
Gain: 26dB.
Input Impedance: Min. 15K at 50Hz; 23K at 1Khz.
Dimensions: 17“W x 17“D x 8.5“H "The KWA 150 to provide 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 and 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.
We have taken the KWA 150 and applied nearly two years of additional R&D and further thought into how to FURTHER improve upon the award-winning KWA 150." Elements of the SE upgrade for this amp include again include only the "Upgraded model of Lundahl input transformer for improved speed and dynamics. Circuit design revisions to input circuits that lower distortion and improve dyanmics and resolution." Thanks-Michael
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