SM Pro Audio SM HP4 V Operating Manual

Value series headphone amplifier

Advertisement

SM Pro Audio
VALUE SERIES
Operating Manual - SM HP4 V
Version 1.0 November 2002

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SM HP4 V and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for SM Pro Audio SM HP4 V

  • Page 1 SM Pro Audio VALUE SERIES Operating Manual - SM HP4 V Version 1.0 November 2002...
  • Page 2 SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electrical shock, do not remove the cover or rear panel of this unit. No user serviceable parts inside. Please refer servicing to qualified personnel only. WARNING: To reduce the risk of fire or electrical shock do not expose this appliance to rain or moisture.
  • Page 3 SM HP4Value Main Features Professional, multi-purpose headphone amplifier system for stage and studio applications - Four totally independent stereo high-power amplifiers in Half 1 RU package - High quality audio even at extremely high volume levels - Two independent stereo input sections - Output level control for each channel - Independent selection of input for each output - High-quality components and rugged construction...
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION 2. THE DESIGN CONCEPT 2.1 High quality components and design 2.2 Inputs and outputs 3. INSTALLATION 3.1 Rack mounting 3.2 Mains voltage 3.3 Audio connections 4. FRONT PANEL CONTROLS 4.1 Independent signal selector switch for each amplifier 4.2 Independent (4 x) rotary volume pot controls for each headphone output 5.
  • Page 5: Introduction

    SM HP4 Value! Ever had the drummer wanting a different mix feed from the keyboard player?? I bet you have and now it is finally possible using the SM HP4 Value.
  • Page 6: Installation

    3.1 Rack Mounting The SM ProAudio SM HP4 Value fits into a Half Rack standard 19" rack unit of space (1 3/4"). Be sure that there is enough air space around the unit for cooling. As to avoid overheating, please do not place the SM HP4 Value on high temperature devices such as power amplifiers.
  • Page 7 4. CONTROLS SM HP4 Value front panel The SM HP4 has four independent headphone amplifiers or line distribution channels. The unit provides 2 rotary controls and 2 stereo jacks per channel. 4.1 The front panel input signal selector switch Each channel features a selector switch which allows for selection of any of the 2 x stereo input source signals connected to the rear of the SM HP4V to be routed to the selected channels headphone amplifier output.
  • Page 8: Application

    5. APPLICATION 5.1 Using the SM HP4V as a headphone amplifier Connect a stereo (L&R) program source (2 x 1/4” Inch Jacks) to the rear of the SM HP4V using one of the available 2 x stereo input pairs on the rear panel. You can also connect a Mono signal to the uinput channel and split the signal into both sides of the headphone.
  • Page 9: Specifications

    6. SPECIFICATIONS AUDIO INPUTS Connectors 1/4" jack Type unbalanced Impedance 47k Ohms Peak input level +25dB Gain control range 40dB HEADPHONE POWER AMPLIFIER OUTPUTS Max. output level 300mW@32 Ohms (max 1W@32 Ohms) Output impedance 22 Ohms Max. gain +20 dB DIST, FREQ, S/N RATIO &...
  • Page 10: Warranty

    7. WARRANTY 1 WARRANTY CARD To be protected by this warranty, the buyer must complete and return the enclosed warranty card (signed/stamped by retail dealer) within 14 days of the date of purchase to SM ProAudio (see address below 3). Failure to return the card in due time (date as per postmark) will void any extended warranty claims.
  • Page 11 4 WARRANTY REGULATIONS 1. Warranty services will be furnished only if the product is accompanied by an original retail dealer's invoice. Any product deemed eligible for repair or replacement by SM ProAudio under the terms of this warranty will be repaired or replaced within 30 days of receipt of the product at SM ProAudio.
  • Page 12 5 WARRANTY TRANSFERABILITY This warranty is extended exclusively to the original buyer (customer of retail dealer) and is not transferable to anyone who may subsequently purchase this product. No other person (retail dealer, etc.) shall be entitled to give any warranty promise on behalf of SM ProAudio. 6 CLAIM FOR DAMAGES Failure of SM ProAudio to provide proper warranty service shall not entitle the buyer to claim (consequential) damages.

Table of Contents