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Sherbourn PRE-1 Owner's Manual

Remote controlled stereo preamplifier
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Summary of Contents for Sherbourn PRE-1

  • Page 2: Table Of Contents

    Sound Drops Out with CD or DVD Playback Remote Not Working External Amplifier(s) Shut Down (often or prematurely) Remotely Connected External Amplifier(s) Do Not Turn Off With PRE-1 “Hum” Noises Other Probable Causes of Speaker Noise Problems with the whole A/V System...

  • Page 3: Thank You From Sherbourn

    Thank You from Sherbourn Thank you very much for your decision to purchase one of our superb Sherbourn amplifiers. We take enormous pride in the design and build quality of all of our products and we are confident that our product will provide you with many years of enjoyable and trouble free service.

  • Page 4: Safety Precautions

    2. Objects have fallen, or liquid has spilled into the com- component(s) begin. After successful installation and con- ponent; or figuration of the PRE-1, be sure to retain this manual in a 3. The PRE-1 has been exposed to rain; or safe place for any future reference needs.

  • Page 5: Nec (National Electrical Code) Standards

    IEC Class 1 two prong power cord and this manual. It is important to save all the packing materials and the boxes in case your PRE-1 ever needs to be moved or shipped back to the factory for service.

  • Page 6: Pre-1 Preamplifier Features

    PRE-1 Features  Precision low noise phono input with moving magnet or moving coil capability  Seven stereo inputs with precision instrumentation grade relay switching  Microprocessor controlled pure analog signal path  Full remote control operation  Completely integrated bass manager for 2.1 operation with variable frequency stereo high pass and mono low pass outputs ...

  • Page 7: Front Panel Layout

    12. Power Button and standby LED The power button is a non-latching momentary button that 3. Tuner Source Selection Button turns the PRE-1 on or off. On indicates with a blue LED. Selects a properly connected Tuner as input source. Off indicates with red LED.

  • Page 8: Rear Panel Layout

    3. AUDIO Section (from left to right) This rocker switch provides the master power for the • CD Player inputs (Switchable Balanced or Unbal- PRE-1. After it is in the ON position, the PRE-1 can be anced) turned on manually from the front panel switch, remote •...

  • Page 9: Remote Control

    3. Source Selection Buttons These buttons select the various PRE-1 source inputs. LEDs on the front panel of the PRE-1 will light in corres- pondence with the selected input. • CD - selects CD player input as source.

  • Page 10: Connecting Audio Source Units

    Connect the Left output on the CD player to Connecting To Amplifiers and Speakers the Left input of the CD INPUT section of the PRE-1, and When connecting to amplifiers and speakers, make sure to the Right output on the CD player to the Right input of the use the properly labeled left channel, right channel and CD INPUT section of the PRE-1.

  • Page 11: Trigger Connections

    This problem is more than likely caused by a "ground • The mute switch is on. loop" in your system, rather than a fault in the PRE-1. • The outputs on high pass and low pass channels may Follow these steps to isolate the main cause of the hum;...

  • Page 12: Other Probable Causes Of Speaker Noise

    Frequency Response: 5Hz - 80kHz, with less than separate line. 0.05dB of deviation • If the hum is heard from within the PRE-1 and not through the speakers, this may also be caused by Line Out Frequency Response: 5Hz - 80kHz, with less interference on the AC or DC lines.

  • Page 13: Five Year Limited Warranty

    Return Authorization Number, prepaid, this product by its original owner (the ‘Owner’) will and insured, to Sherbourn at the address shown below, or automatically terminate this Warranty regardless of to an Authorized Sherbourn Service Facility. In addition, when occurring.
  • Page 14 Sherbourn Technologies, Inc., 19-4A Sterling Road, North Billerica, MA 01862 Tel (978) 663-7385 Fax (978) 663-7389 Web www.sherbourn.com...

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