Wohler SUM Series User Manual

Wohler SUM Series User Manual

1ru summing audio monitors

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CONFIDENCE IS EVERYTHING.™
World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions
SUM Series
• AMP1A SUM6/RD
• VMDA-SUM8
1RU Summing Audio Monitors
User Guide
Part Number 821025, Revision C

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Summary of Contents for Wohler SUM Series

  • Page 1 CONFIDENCE IS EVERYTHING.™ World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions SUM Series • AMP1A SUM6/RD • VMDA-SUM8 1RU Summing Audio Monitors User Guide Part Number 821025, Revision C...
  • Page 2 Wohler Technologies, Inc. reserves the right to change or improve our products at any time and without notice. In no event will Wohler Technologies, Inc. be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect in the hardware, software, or its documentation, even if advised of the possibility of such damages.
  • Page 3: Table Of Contents

    SUM Series User Guide Introduction Overview The SUM Series of audio monitors provide self-powered, full-fidelity stereo or monaural monitoring in a single (1U) industry standard rack- space mount. The AMP1A-SUM6/RD model features speakers driven by three power amplifiers: two amplifier/driver combinations to...
  • Page 4: Safety Instructions

    S U M S e r i e s Us e r G u i d e S a f e t y I n s tr u c ti o n s Safety Instructions Read, keep, and follow all of these instructions; heed all warnings. Do not use this equipment near water or moisture.
  • Page 5: Installation Recommendations

    SUM Series User Guide I n s ta l la t i o n R e c o m me n d a t io n s Installation Recommendations Mounting The unit is designed to install into a standard 19" rack mounted at eye level for best visual observation of the monitor screens.
  • Page 6: Features

    S U M S e r i e s Us e r G u i d e F e a t u r e s Mechanical Bracing The chassis is securely attached to the front panel at eight points along its surface, not just at the four corners of the chassis ears.
  • Page 7 SUM Series User Guide F e a t u r e s • Low power consumption • Power indication LED • Excellent high frequency response for positive detection of background whine and noise • Audible indication of phase/polarity problems •...
  • Page 8: Applications

    A p p l i c a t i o n s Applications The SUM Series monitors are ideally suited for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite links and cable TV facilities, and on-air radio studios.
  • Page 9: Front Panel Controls

    SUM Series User Guide F r o n t P a n e l C o n t r o l s Table 1–1 SUM Series Specifications Specification AMP1 SUM6/RD VMDA-SUM8 Power output: 10 W transient / 5 W RMS Each Side...
  • Page 10 S U M S e r i e s Us e r G u i d e F r o n t P a n e l C o n t r o l s AMP1A SUM6RD-Specific Controls Figure 1–1 AMP1A SUM6/RD Front Panel Power Headphones...
  • Page 11 SUM Series User Guide F r o n t P a n e l C o n t r o l s • Input Source Volume Control (1 through 8): Each of these volume controls affects the loudness of only the selected audio source for the channel it is associated with (1 through 8).
  • Page 12: Rear Panel Connectors

    For polarity orientation, refer to the silk-screened diagram to the right of the connector. AMP1A SUM6RD-Specific Connectors Figure 1–3 AMP1A SUM6/RD Rear Panel Wohler Technologies +1-510-870-0810 SERIAL NO. +1-510-870-0811 www.Wohler.com...
  • Page 13 SUM Series User Guide R e a r P a n e l C o n n e c t o r s Figure 1–4 Balanced Analog In - DB-25 Pin-Out VMDA SUM8-Specific Connectors Figure 1–5 VMDA SUM8 Rear Panel...
  • Page 14: Technical Functional Overview

    SUM Series monitors. © 2 01 0 Wo h le r Te ch n ol og ie s , I n c . A l l r i g h t s r e s e rve d .
  • Page 15 SUM Series User Guide T e c h n i c al F u n c ti o n al O v e r v ie w Figure 1–7 AMP1A SUM6/RD Block Diagram SOURCE LEVEL Left Headphone Left Left Speaker...
  • Page 16 SUM Series User Guide T e c h n i c al F u n c ti o n al O v e r v ie w Figure 1–8 VMDA-SUM8 Block Diagram Headphone Master Volume Right MONO Speaker Stereo Analog...

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Vmda-sum8Amp1a sum6/rd

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