Parasound 2250 v.2 Owner's Manual
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Parasound 2250 v.2 Owner's Manual

Two channel amplifier
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Model 2250
v.2
Two Channel Amplifier
OWNER'S GUIDE

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Summary of Contents for Parasound 2250 v.2

  • Page 1 Model 2250 Two Channel Amplifier OWNER’S GUIDE...

  • Page 2: Important Safety Instructions

    Important Safety Instructions The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of ―dangerous voltage‖ inside the product that may constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product.

  • Page 3: Table Of Contents

    Table of Contents Introduction ..........Placement and Ventilation Guidelines .

  • Page 4: Introduction

    -The Parasound Staff Keeping Records for Future Reference Record the serial number located on the back panel or bottom of your Model 2250 v.2 in the space below. Also note your Parasound Dealer’s name and telephone number. Your purchase receipt/bill of sale is required to determine if your Model 2250 v.2 is eligible for Parasound warranty service.

  • Page 5: Placement And Ventilation Guidelines

    Note: Please save and store both the inner and outer cartons and, most especially, the foam packing inserts to protect the Model 2250 v.2 if you have to move it or ship it. You may wish to flatten the cardboard cartons to save room in storage after cutting the taped seams on the bottom flaps.

  • Page 6: Ac Mains Voltage

    Inserting or removing an input or output cable while the Model 2250 v.2 is turned on can result in a blast of sound that can damage your loudspeakers and your hearing. Make sure there is no strain or tension on any cables that could cause them to pull loose.
  • Page 7 Bridged operation configures the Left and Right channels to function as a single higher powered amplifier channel to drive a single speaker. This is how two Model 2250 v.2 amps are used as monoblocks to power a pair of speakers. It’s also effective for powering a single passive subwoofer.

  • Page 8: Bridged Mono Operation

    Careful attention must be paid to the total impedance of all speakers wired to the unit when it is set for bridged mono operation. When set to mono the Model 2250 v.2 uses its R channel to amplify only the positive half of the audio signal and its L channel to amplify only the negative half of the audio signal.

  • Page 9: A+B Speaker Load Switch

    If you connected your preamp to the 2250 v.2’s L channel Input jack to then you’ll need a short RCA cable to connect the 2250 v.2’s L channel Loop Out jack to its R channel Input jack.

  • Page 10: Turn On Options

    12V Position (Automatic on/off) When the Turn On Options switch is set to its 12V position, the Model 2250 v.2 is turned on and off only with an external +9 V to +12 V voltage from your preamp or AV Receiver. When the external voltage ceases the Model 2250 v.2 will turn off within a few seconds.

  • Page 11: Ac Power Cord

    Some other Parasound power amplifiers and preamplifiers might have 2.5mm ―sub-mini‖ trigger jacks. To use the Model 2250 v.2 with products that use a 2.5mm jack we have included a trigger wire with a 3.5mm plug at one end and a 2.5mm plug at the other end.

  • Page 12: Front Panel Operation

    Power Button Press the Power button once to turn the Model 2250 v.2 on. Press it again to turn it off. When the unit is powered on the L and R indicators should illuminate green. The Power button is inoperative when the Turn On Options switch is set to Audio or 12V.

  • Page 13: Problems And Remedies

    On Option switch to the ―Quieter‖ position. • If using Audio Turn on and you need the Model 2250 v.2 to turn on at an even lower volume level, simply turn down its L and R Level controls. Try setting the level controls at 12 o’clock and see if the volume level is low enough when the amp turns on.

  • Page 14: If You Require Assistance Or Warranty Repair

    Are You Having Difficulty? Repair or Service Call your Parasound dealer first. If the dealer can’t help you with your problem we encourage you to call Parasound’s Technical Service Department at 415 397 7100, Monday - Friday, 8am - 4pm Pacific Time.

  • Page 15: Specifications

    93 dB at 2.828 V output, IHF A-weighted Net Weight 84 dB at 2.828 V output, unweighted 43 lbs (19.5 kg) Rack Mount Accessory May be Purchased Separately: RMK33 Specifications and features subject to change or improvement without notice. Copyright Parasound Product Inc., 2013 Rev. 1.0 www.parasound.com...
  • Page 16 Parasound Products, Inc. 2250 McKinnon Ave, San Francisco, CA 94124 415-397-7100 / Fax 415-397-0144 www.parasound.com...

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