Amplifiers

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  1. Modwright KWA 100 / 100SE Stereo Power Amplifier

    Modwright KWA 100 / 100SE Stereo Power Amplifier

    ModWright Instruments KWA 100 / KWA 100 SE Stereo Power Amplifier

    The KWA 100 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 100 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.

    All existing KWA 100’s may be factory-only upgraded. We always strive to offer cost-effective upgrade paths for all of our products and this is not an exception.

    Physical size and styling of KWA 100SE amp will be the same as the KWA 100. Included with all KWA 100SE upgrades is a new KWA 100SE face plate to signify the upgrade.

    The KWA 100SE includes the following upgrades:

    • 40% increase in number of output devices per channel.
    • 100% increase in main power supply capacitance per channel.
    • Upgrade of key signal and power supply capacitors to MWI custom capacitors.
    • Upgrade of key signal path resistors to Takman Carbon Film resistors.

    The result is better bass response, improved control and low-level detail an overall resolution

    Manufacturer's website ModWright

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  2. Modwright KWA 150 SE

    Modwright KWA 150 / 150 SE Stereo Power Amplifier

    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

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