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Summary of Contents for Wohler AMP1-SDA
- Page 1 CONFIDENCE IS EVERYTHING.™ World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions AMPx SDA Series • AMP1-SDA • AMP2-SDA Digital Audio Speaker Monitors User Guide Part Number 821027, Revision C...
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Page 2: Customer Support
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
AMPx-SDA User Guide Introduction Overview The AMPx-SDA Series of audio monitors provides self-powered, full- fidelity stereo monitoring in the smallest rack space possible. All models in the series contain four high performance transducers driven by three power amplifiers: two amplifier/driver combinations handle midrange and high frequency information in stereo, while the third center channel reproduces information below the 500 Hz crossover point. -
Page 4: Safety Instructions
A M P x - S D A 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 or moisture. -
Page 5: Installation Recommendations
AMPx-SDA 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 Note: If you wish to set the AES Input Termination, AES Status Error Type, AES Input Level Gain, Line Level Calibration, Meter Gain Calibration, and/or Bargraph Display Mode via the DIP switches (accessed on the rear panel) be sure to do so... -
Page 6: Features
A M P x - S D A U s e r G u i d e F e a t u r e s Audio Connections Connection of the audio feeds is straightforward. For digital inputs, Impedances are 75 Ω for the unbalanced BNC connectors and 110 Ω for the balanced XLR connectors. -
Page 7: Applications
TV facilities, and on-air radio studios. Designed and manufactured in the U.S., the AMP1-SDA is backed by a strong warranty and a satisfaction guaranteed return policy. © 2 01 0 Wo h le r Te ch n o l og ie s, I n c . A l l r i g h t s r e s e r v e d . -
Page 8: Specifications
S p e c if i c a ti o n s Specifications Table 1–1 Audio Specifications for the AMPx-SDA Series Monitors Specifications AMP1-SDA AMP2-SDA Analog IN: XLR (3-pin female) 2 each Input connectors SDI IN: BNC (female) 1 each AES IN: BNC (female) 1 each XLR: 110 ... - Page 9 S p e ci f i c a t i o n s Table 1–2 Physical Specifications for the AMPx-SDA Series Monitors Specifications AMP1-SDA AMP2-SDA 1.75 x 19 x 12 inches 3.5 x 19 x 12 inches Dimensions (H x W x D)
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Page 10: Front Panel Controls
VU: 3 sec. hold or 10 sec. hold Midscale resolution: 1 dB 2 dB Scale +16 to -50 dB Segment size: .158" x .04" (4.0132 x 1.016 mm) Front Panel Controls Figure 1–1 AMP1-SDA Front Panel Power Brightness Balance Volume Headphones Analog/Digital Phase AES/SDI Level Meters... - Page 11 Speakers: The internal speaker system is comprised of two mid- range tweeter speakers (left and right) and woofer speakers. The AMP1-SDA has two woofers wired in series and the AMP2-SDA has one larger woofer. The two side channel speakers reproduce, in stereo, only the mid and high frequencies.
- Page 12 A M P x - S D A 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 Fast Phase two smaller LEDs labeled (left side of the section) show instantaneous phase relationships in the signal, while the larger LED,...
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Page 13: Rear Panel Connectors
AMPx-SDA User Guide R e a r P a n e l C o n n e c t o r s • SDI Signal Error LED: This LED, labeled glows green as long as a valid SDI digital datastream is being received. It glows red if TSR errors are present in the signal. - Page 14 A M P x - S D A U s e r G u i d e R e a r P a n e l C o n n e ct o r s Note Position 3 is not used. •...
- Page 15 AMPx-SDA User Guide R e a r P a n e l C o n n e c t o r s Figure 1–5 AES DA Conversion Gain Calibration Settings • SDI In and Out: The female BNC connector is meant to SDI In receive standard SDI signals.
- Page 16 Source Select switch on the front panel is set to Analog . For XLR pinout information see the Figure 1–6 on page AMP1-SDA-Specific Connectors Figure 1–7 AMP1-SDA Rear Panel AES/EBU In Gain/Calibration AES Termination TERM 1 AMP1-SDA DIGITAL 100-240 VAC...
- Page 17 AMPx-SDA User Guide R e a r P a n e l C o n n e c t o r s • Line Level Calibration: The unit is calibrated at the factory. To recalibrate: Turn on the power. Apply a reference level (nominal 0) signal to all four channels.
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Page 18: Technical Functional Overview
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 AMP2-SDA-Specific Connectors Figure 1–9 AMP2-SDA Rear Panel Gain/Calibration Error Type Wohler Technologies Tel +1-510-870-0810 +1-510-870-0811 www.Wohler.com DIGITAL...
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