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Rocktron HUSH User Manual
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Rocktron HUSH User Manual

Guitar pedal
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®
HUSH
is a registered trade mark of GHS Corporation USA
May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309,
4881047, 4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617.
Other patents pending. Foreign patents pending.

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Summary of Contents for Rocktron HUSH

  • Page 1 ® HUSH is a registered trade mark of GHS Corporation USA May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617. Other patents pending. Foreign patents pending.
  • Page 2 Your HUSH The Pedal has been tested and complies with the following Standards and Directives as set forth by the European Union: Council Directive(s): 89/336/EEC Electromagnetic Compatibility Standard(s): EN55013, EN50082-1 This means that this product has been designed to meet stringent guidelines on how much RF energy it can emit, and that it should be immune from other sources of interference when properly used.
  • Page 3 Precautions NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE YEARS OF TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDLING: Read all instructions contained in this manual. Keep these instructions Heed all warnings Follow all instructions. Do not use this apparatus near water. Clean with dry cloth Do not block any ventilation openings (if applicable).

  • Page 4: Operating Temperature

    Precautions Continued..Refer all service to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply or plug is damaged, liquid has been spilled or objects have fallen into the apparatus or if the apparatus has been exposed to rain or moisture, does not operate normally or has been dropped.
  • Page 5 Introduction ® Congratulations on your purchase of Rocktron’s HUSH The Pedal - guitar noise reduction footswitch! HUSH The Pedal is designed to eliminate the background noise or “hiss” produced by high gain amplifiers when a signal is present without descimating your tone.
  • Page 6 The Pedal to begin to decrease the output level so that the noise is never heard. The Pedal incorporates the latest advancements in HUSH noise reduction technology. HUSH The Pedal's discreet threshold control circuit utilizes a voltage-controlled amplifier (VCA) as a downward expander which can control the gain between the input and output of The Pedal from unity to over 60dB of gain reduction.
  • Page 7 The Variable Integrated Release (V.I.R.) technology contained in each HUSH circuit automatically adjusts the release rate of the expander based on the dynamic decay rate of the incoming signal. If the input signal stops suddenly, downward expansion will occur rapidly (similar to a gate).
  • Page 8 HUSH. Threshold Control - Turn Clockwise to increase the amount of HUSH added to the signal. In high gain situations turn the Threshold more towards “Max”. In lower gain settings turn Theshold more towards “MIN”. Set this control to suit your taste.
  • Page 9 The HUSH The Pedal can also be used in your amplifier’s effects loop. However, if you are running multiple effects though this loop the HUSH The Pedal should always be the last dynamic device in the signal chain, but before digital delays or reverbs.
  • Page 10 Prophesy (our top of the line preamp with multi-effects) Intellifex On Line (Multi-effects processor) HUSH Super C (guitar noise silencing system) Vendetta VP4 Preamp (All Tube 4-Channel Guitar preamp - 2 Rack Space) Electric Guitar - Acoustic Guitar and Bass Amplifiers:...

  • Page 11: Specifications

    Specifications Input Impedance 470K Maximum Input +5dBu Maximum Output +5dBu Distortion .09% 0dBu@1KHz typical Dynamic Range 99dBu (A-weighted) Frequency Response ±½dB 20Hz-20KHz Noise Reduction over 60dB Current Consumption 10mA Power Requirement 9V battery or 9V DC adaptor...
  • Page 12 Rocktron -A Division of GHS Corporation 2813 Wilber Avenue Battle Creek MI 49015 Rocktron Phone: 1-(616)-968-3351 Email: info@rocktron.com Check us out on the web at: www.rocktron.com 2002-0001 Rev. 1/03/02...