ModWright Instruments KWH 225i Owner's Manual
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ModWright Instruments KWH 225i Owner's Manual

Hybrid tube amplifier
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ModWright Instruments Inc.
KWH 225i Hybrid Tube Amplifier
Owner's Manual
ModWright Instruments, Inc.
21919 399th St., Amboy, WA 98601
Proudly Handcrafted in the USA
www.modwright.com
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Summary of Contents for ModWright Instruments KWH 225i

  • Page 1 ModWright Instruments Inc. KWH 225i Hybrid Tube Amplifier Owner’s Manual ModWright Instruments, Inc. 21919 399th St., Amboy, WA 98601 Proudly Handcrafted in the USA www.modwright.com...
  • Page 2 PEASE READ FIRST (SAFETY): Water and moisture: Electrical devices should not be used near water, such as near a bathtub, sink, laundry tub, wet basement or swimming pool. Care should be taken such that objects do not have the opportunity to fall, and that liquid is never spilled onto or into the device enclosure through openings.

  • Page 3: Protection Circuitry

    Protection Circuitry:  Protection Circuitry: This amplifier has multiple levels of circuit protection, designed to prevent damage to amplifiers, speakers and connected equipment. o DC input protection provided by transformer input coupling. o Thermal overload protection provided by internal thermal sensors. Upon thermal overload, amp will simply shut down.
  • Page 4 Setup and General Operation:  Setup: o Amp may be installed anywhere BUT in enclosed closet or cabinets with no means for adequate air circulation. It is also not recommended to stack any components directly on top of amp or to stack amp directly on top of any other components.

  • Page 5: Rear Panel And Connections

     Min. 2” in all directions required for adequate ventilation, top, sides and rear.  Do not install in an enclosed cabinet unless temperature controlled.  Heat sinks must reject heat and as such should never be blocked or covered.  Do not install gear on top of or beneath the KWH 225i.
  • Page 6 Front Control and Displays:  Left control knob rotates freely. Turning knob in clock-wise direction will toggle through available inputs  Left button is power. Depressing button will power unit on or off. Unit may also be powered on or off via remote control power button. ...

  • Page 7: Remote Control Functions

    Remote Control Functions: Please note that the ModWright remote is used by a number of different products in our family and not all functions on remote will be used by this product.  Power: Turns unit on and off.  ‘*’: Serves to dim display luminance or turn display ‘off’. ...

  • Page 8: Power Ratings

    Specifications: Power Ratings:  225W @ 8 ohms @ .04% THD.  400W @ 8 ohms @ .04% THD. Features:  (3) pairs RCA inputs.  (1) pair XLR inputs.  (1) pair RCA Home Theater Bypass or Preamp Input. ...

  • Page 9: Warranty

    Product with altered or missing serial numbers will be suspected as counterfeit product. ModWright Instruments will not repair or in any way indemnify any counterfeit or cloned product. ModWright Instruments does not offer products in voltages intended for international markets, either to authorize ModWright Instruments dealers or to third parties, located in the United States or Canada.

  • Page 10: Contact Information

    Contact Information: If you have any questions about ModWright Instruments products or ModWright modifications or products, please do not hesitate to contact us via phone, e-mail or conventional mail. PH: 360-247-6688 EMAIL: modwright@yahoo.com ADDRESS: ModWright Instruments, Inc. 21919 NE 399...

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