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Related Manuals for Atlas AA50PHD
Summary of Contents for Atlas AA50PHD
- Page 1 AA50PHD Owner’s Manual 50W Mixer Amplifier AA50PHD 50W Mixer Amplifier 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. Telephone: 800.876.3333 • Fax: 800.765.3435 – 1 – AtlasSound.com Specifications are subject to change without notice.
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Page 2: Table Of Contents
Trouble Shooting the Fault LED ......................12 How to Calculate Load Impedance ....................... 13 Remote Level Control ........................... 14 Remote Input Select (RIS) ........................15 Wiring the AA50PHD ..........................16 Level Control Security Cover Option ....................16 Block Diagram ............................17 Specifications ............................18 Warranty .............................. -
Page 3: 50W Mixer Amplifier
AA50PHD Owner’s Manual 50W Mixer Amplifier Important Safety Instructions The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. - Page 4 Should any of the following irregularities occur during use, immediately switch off the power, disconnect the power cord from the AC outlet and contact Atlas Sound. Do not to attempt to continue operation with the product as this may cause fire or electric shock: •...
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Page 5: Introduction
50W Mixer Amplifier Introduction Congratulations and thank you for purchasing the Atlas Sound AA50PHD 4 Input Mixer Amplifier. This new and innovative professional grade product has been designed from the ground up to include the important features that professional installation personnel require to meet or exceed their customer’s expectations. - Page 6 AA50PHD Owner’s Manual 50W Mixer Amplifier Front Panel 1. Power Switch This push switch (On/Off) supplies power to the mixer amplifier. 2. Power Indicator This LED illuminates Blue when the power switch is turned On. 3. Signal Indicator When the signal LED illuminates Green, input signals are connected to the amplifier. The Signal LED is PRE the input level controls.
- Page 7 AA50PHD Owner’s Manual 50W Mixer Amplifier Front Panel 7. Input 1-3 Level The rotary control varies the amplitude of the signal fed to the amplifier input. Turn clockwise to increase and counter-clockwise to decrease the signal level. 8. Master Level The Master Level control will raise or lower all the input channels together.
- Page 8 Inputs 2, 3 & 4 can be remotely activated or selected. When any of the RIS input control port pins are shorted to ground, the signal from that input selected will be routed to the amplifier main mix bus. The RIS control port was designed to work with the Atlas Sound WPD-RISRL accessory item.
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Page 9: Remote Input Select (Ris)
AA50PHD Owner’s Manual 50W Mixer Amplifier Rear Panel 13. Pre Out The PRE OUT RCA port is POST the preamp mix bus but PRE the Master Level. This feature is used in two applications. A. Effects loop - Used in conjunction with the AMP IN connector, an effects loop can be created by connecting the PRE OUT jack to a device such as an equalizer or DSP and then back out to the AMP IN connector. - Page 10 AA50PHD Owner’s Manual 50W Mixer Amplifier Rear Panel 16. Amplifier Outputs For loudspeaker connections, connect as follows or proceed to the setup section for typical wiring schemes. • COM - Speaker common or negative connection • 4Ω - Connect to direct coupled loudspeakers 25V - Connect to transformer coupled loudspeakers •...
- Page 11 AA50PHD Owner’s Manual 50W Mixer Amplifier Running a Self-Diagnostic Test using the PHD Feature Step 1 - Install the AAPHD Mixer amplifier, connect the input signals. Turn all levels to minimum. Do not attach the speaker system to the amp at this point.
- Page 12 AA50PHD Owner’s Manual 50W Mixer Amplifier How To Trouble Shoot Your Speaker System If The Limit LED Is Illuminating LED OFF TEST PASS The Limit LED should never be constantly illuminated or damage may occur to the amplifier or sound system. If the Limit LED comes on during use or during the PHD test there are a few common fault conditions to check if using a 70V distributed audio system.
- Page 13 AA50PHD Owner’s Manual 50W Mixer Amplifier How To Trouble Shoot Your Speaker System If The Limit LED Is Illuminating C. If the first two check points are OK, there is probably a short in the wiring of the speaker system. Common causes include staples through the wire and the wire cut by metal conduit causing a short to ground.
- Page 14 AA50PHD Owner’s Manual 50W Mixer Amplifier Connecting a Remote Level Control with Remote Input Select (RIS) Remote location of a level control can be accomplished via the Remote Level control port. You can control Input 1 or Inputs 2, 3, and 4.
- Page 15 This is ideal because the result is clean audio with no chance of picking up interference. It is intended to be used with the optional wall controller WPD-RISRL from Atlas Sound. The WPD-RISRL allows selection of three inputs (not Input 1) with ability to adjust the level for each input selected.
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Page 16: Level Control Security Cover Option
Pre Out Chan 3 Chan 2 Mute Sens Channel 1 - Input from the front panel. Replace the knobs with security covers, Atlas Sound part number AAVCC-5, available in quantities of 5. AA50PHD Professional Mixer Amplifier Signal Peak Limit Power... -
Page 17: Block Diagram
AA50PHD Owner’s Manual 50W Mixer Amplifier Block Diagram 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. Telephone: 800.876.3333 • Fax: 800.765.3435 – 17 – AtlasSound.com Specifications are subject to change without notice. - Page 18 AA50PHD Owner’s Manual 50W Mixer Amplifier AA50PHD Specifications Type Mixer Amplifier RoHS Compliant Safety Listings ETL (UL 60065 Standard) Electrical Specifications Power Output Max. Average Power @ 80Hz-15kHz with 1% THD, 4Ω 50W RMS Transformer Outputs 50W RMS 70.7V 50W RMS 4Ω...
- Page 19 AA50PHD Owner’s Manual 50W Mixer Amplifier AA50PHD Specifications Outputs Main Transformer Coupled, Balanced, 4Ω, 25V, and 70.7V. Class 2 Rated, Removable 4 Position PHX 5.08mm pitch, Accepts up to 12 Gauge Wire, 12A Rating Zone 2 Unbalanced 600Ω / 10kΩ, Max 1.0V Out, Removable 2 Position PHX 3.5mm Pitch, Accepts Up to...
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Page 20: Limited Warranty
A PARTICULAR PURPOSE. Atlas Sound does not assume, or does it authorize any other person to assume or extend on its behalf, any other warranty, obligation, or liability. This warranty gives you specific legal rights and you may have other rights which vary from state to state.
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