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Modwright KWA 150SE Amplifier - $8995, Free Shipping

$8,995.00
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Product Description

Modwright KWA 150 SE 

Find Out What Your Trade Is Worth | Questions? Call 303-653-6341 or email us.

modwright kwa 150 se

KWA 150 Signature Edition

Modwright has taken the already incredibly performing KWA 150 and applied nearly two years of additional R&D and thought into how to further improve upon the award-winning KWA 150 power amplifier.

Testimonials

"...the amp has settled in very nicely and I've REALLY enjoyed listening to my system over the past month - it's doing all the things you said it would do! The dynamics and lower noise floor (I'm assuming these go hand-in-hand) are most noticeable - maybe an increase in separation, as well - whatever it's doing, it's doing it WELL! I was listening to a RR of Clark Terry w/ 'big band' today and the dynamics are incredible..."

What is upgraded

  • 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.
  • Cryo-treated, solid core ultra-pure input wiring and 12GA stranded audio-grade output signal wire to binding posts.
  • Revised capacitor bank (current storage design) that increases total storage (capacitance) and also lowers power supply impedance, which translates to faster current delivery to the output stage.

    Sonic Improvements

  • A more open and resolving overall presentation.
  • Tighter and faster bass and transients.
  • Improved speed and dynamics, whilst still retaining tube-like midrange qualities.
  • Improved soundstage and low-level cues due to an even LOWER noise floor.

KWA 150 SE Features

  • Fully dual-mono internal design, including separate power transformers, power supplies and input and output stages for ideal separation and exceptional soundstage.
  • Chassis design and internal layout optimized for lowest possible noise floor, providing greater micro-detail and micro-dynamics for a natural and organics sonic presentation.
  • Fully discrete 'Solid State Music Stage' design by Alan Kimmel, offering midrange of tubes as well as muscle and speed of solid state design.
  • Zero global Negative feedback.
  • (24) High Current 'Thermatltrak' Bi-Polar output devices for extreme linearity and speed.
  • Over 180,000uf total power supply capacitance reserves for deep and tuneful bass.
  • Lundahl Input Transformer coupled floating ground design, preventing ground loops and isolation from ground mains, for exceptionally low noise floor.
  • RCA and XLR inputs transformer coupled to fully balanced circuitry.
  • Proprietary protection circuitry operating completely outside of signal path, protecting both amplifier and associated system components with ZERO impact on sonics.
  • DC input and output protection
  • Over-current protection.
  • Output short-circuit protection.
  • Thermal overload protection.
  • Proprietary 'RFB' circuit to protect amp in case of single rail fuse failure
  • Class A-AB operation.
  • Bias optimized for low distortion, heat and sonics, allowing for lower operating temperatures, and ideal sonic presentation.
  • Pure copper pcb traces, offering the lowest possible impedance.
  • Extremely short signal paths and highest quality MWI capacitors and audio grade signal path components for sonic purity.

Specifications:

Dimensions: 17"Wx17"Dx9"H; Weight 84lb packed.

Power: 150W @ 8ohms; 250W @ 4 ohms; 450W @ 8 ohms bridged mono; 650W @ 4 ohms bridged mono. ALL power ratings at .05% THD!

Noise Floor: -100dB (Unweighted)

Bandwidth: 10Hz - 100Khz (+0, -1dB)

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