Wohler AMP1A Series User Manual
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Wohler AMP1A Series User Manual

1 ru, analog audio monitors with level meters
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CONFIDENCE IS EVERYTHING.™
World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions
AMP1A Series
• AMP1A-30
• AMP1A-Plus
1 RU, Analog Audio Monitors with Level
Meters
User Guide
Part Number 821020, Revision B
• AMP1A-106
• AMP1A-LP10S

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Summary of Contents for Wohler AMP1A Series

  • Page 1 CONFIDENCE IS EVERYTHING.™ World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions AMP1A Series • AMP1A-30 • AMP1A-106 • AMP1A-Plus • AMP1A-LP10S 1 RU, Analog Audio Monitors with Level Meters User Guide Part Number 821020, Revision B...
  • 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

    AMP1A Series User Guide Introduction Overview The AMP1A Series of audio monitors provides self-powered, full- fidelity stereo monitoring in the smallest rack space possible. Topics Topics Page Introduction Safety Instructions Installation Recommendations Description Application Features Specifications Audio Amplifier and Speaker Configuration...

  • Page 4: Safety Instructions

    A M P 1 A S e r i e s U s 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.

  • Page 5: Installation Recommendations

    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 Unpacking Unpack the AMP1A Series monitor from the shipping container and inspect all components for shipping damage. If you find any damage, notify the shipping carrier for claims adjustments.

  • Page 6: Description

    Application The AMP1A Series is 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 7: Features

    • Numerous control and input options • Quick and easy installation: simply slide in the rack and connect audio and AC power Specifications The AMP1A Series monitors meet the following specifications. Table 1–1 AMP1A Series Monitors Specifications Specification AMP1A-30 AMP1A-106...
  • Page 8 1.75 “ H x 19” W x 10” D (44.5 mm H x 483 mm W x 254 mm D) 8lbs. (3.6kg) Weight Table 1–2 below lists the specifications for the level meters for all of the monitors in the AMP1A Series except for the AMP1A Plus which does not include level meters. Table 1–2 Level Meters Specifications Specification...

  • Page 9: Audio Amplifier And Speaker Configuration

    AMP1A Series User Guide A u d i o A m p l i f i e r a n d S p e a k e r C o n f i g u r a t i o n...

  • Page 10: Optional Features

    O p t io n a l F e a t u r e s Figure 1–1 Audio Amplifier and Speaker Configuration Optional Features Wohler Technologies, Inc. offers by far the broadest range of standard production audio monitors. Standard-production AMP1A Series monitors or special orders can include the following functions (and combinations thereof): •...

  • Page 11: Front Panel Controls

    AMP1A Series User Guide F r o n t P a n e l C o n t r o l s Front Panel Controls Common Controls • Speakers: The AMP1A internal speaker system is comprised of two mid-range tweeter speakers (left and right) and two woofer speakers (left and right).
  • Page 12 A M P 1 A S e r i e s U s 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 Example If an audio signal of a voice speaking English is fed to the "A" (left) input and a voice speaking Spanish is fed to the "B"...
  • Page 13 AMP1A Series User Guide F r o n t P a n e l C o n t r o l s AMP1A-106-Specific Front Panel Controls Figure 1–3 AMP1A-106 Front Panel Volume Power Balance Level Meters Headphones Level Meter Brightness Speakers •...
  • Page 14 A M P 1 A S e r i e s U s 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 • Phase (LEDs): These three LEDs indicate the instantaneous and average phase (polarity) conditions between the sources) assigned to the left speaker channel and the source(s) assigned to the right speaker channel.

  • Page 15: Rear Panel Connectors

    AMP1A Series User Guide R e a r P a n e l C o n n e c t o r s Rear Panel Connectors Common Connectors • Power (IEC-320): Attach the included power cord between this connector and mains power (100 to 250VAC, 50 to 60 Hz). The front...
  • Page 16 R e a r P a n e l C o n n e ct o r s AMP1A-30 and AMP1-106 Rear Panel Connectors Figure 1–8 AMP1A-30 and AMP1-106 Rear Panel Analog Audio Loop-Through (Left & Right 100-240 METER DISPLAY Wohler 50/60 Hz 1.0 A CALIB MODE Technologies VU/VU OPERATE +1-510-870-0810 CALIBRATE...
  • Page 17 AMP1A Series User Guide R e a r P a n e l C o n n e c t o r s Figure 1–9 DIP Switch Settings Note: Switch position 6 is not used. Calibration Instructions Turn on the power.
  • Page 18 The AMP1A Plus provides two analog audio inputs, Channel A (left) and Channel B (right). Figure 1–11 AMP1A Plus Rear Panel CH A (L) CH B (R) 100-240 Wohler 50/60 Hz 1.0 A Technologies +1-510-870-0810 +1-510-870-0811 SERIAL NO. www.Wohler.com AMP1A-2S...

  • Page 19: Internal Switch Settings

    AMP1A Series User Guide I n te rn al S wi t ch S e t t in g s Internal Switch Settings After removing the top cover, you can access DIP switches that control level meter settings and/or calibration settings.
  • Page 20 A M P 1 A S e r i e s U s e r G u i d e In te r n a l Sw i tc h S e t ti n g s Figure 1–13 Internal DIP Switch Location 8 2 1 0 2 0 : A M P 1 A S er ie s U s e r G u i d e ©...
  • Page 21 DIN scales. The Extended VU scale is the standard scale for all AMP1A Series models. See Figure 1–14 below for 30-segment alternate scales. Contact Wohler Technologies for more information about Alternate Scale labels. Figure 1–14 30-Segment Scale Selection Options Figure 1–15...
  • Page 22 Figure 1–12 on page 17 for settings. The labels for this feature (see diagram below) can be specified at the time of order or requested from Wohler for application to existing units. 8 2 1 0 2 0 : A M P 1 A S er ie s U s e r G u i d e...
  • Page 23 AMP1A Series User Guide I n te rn al S wi t ch S e t t in g s Figure 1–16 AMP1-30 Phase Correlation Labels Figure 1–17 AMP1A-106 Phase Correlation Labels Positive amounts of correlation are indicated by an ascending amber bar in the lower (right channel) bar graph;...

  • Page 24: Technical Functional Overview

    Figure 1–22 on page 26 illustrate the overall functionality of the AMP1A Series monitors. 8 2 1 0 2 0 : A M P 1 A S er ie s U s e r G u i d e...
  • Page 25 AMP1A 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 1–19 AMP1A-30 Block Diagram Headphone 30-Segment Left High-Visibility Right Level Meters Left...
  • Page 26 AMP1A Series User Guide T e c h n i c a l F u n c t i o n a l O v e r v i e w Figure 1–20 AMP1A-106 Block Diagram Headphone Left 106-Segment High-Resolution...
  • Page 27 AMP1A 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 1–21 AMP1A-LP10S Block Diagram Right Input Left Input 1 10 Source Headphone...
  • Page 28 AMP1A Series User Guide T e c h n i c a l F u n c t i o n a l O v e r v i e w Figure 1–22 AMP1A Plus Block Diagram Headphone Stereo Source...

This manual is also suitable for:

Amp1a-30Amp1a-plusAmp1a-106Amp1a-lp10s

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