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****** Page 1 ****** Owner’s Manual TSD-PA20VG lx20W Global Commercial Amplifier Atlas Sound TSO-PAZOVG Mono ZOW Power Ar-nplifier Atlas Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 2 ****** TSD-PA20VG Owner’s Manual lx20W Global Commercial Amplifier Description The Atlas Sound TSD-PA20VG is a cost-effective mono amplifier for 4Q and distributed constant voltage (25/70/100V) speaker systems. Applications such as house of worship cry rooms, hallways, restrooms, foyers, and classrooms will benefit from this compact reliable amplifier. The TSD-PA20V is also a cost-effective alternative for small projector systems as it can be used with as many as (16) 25/70/100V ceiling speakers (tapped at IW each), plus the extremely small footprint allows for easy mounting. For sound masking applications the TSD-PA20VG has the capacity to drive up to 34 masking speakers tapped at .5W each on a 70.7V line. Output is gain controlled from a potentiometer on the front panel with removable knob to facilitate installation of a tamper-resistant cover (included). The TSD-PA20VG is part of a full line of Atlas Sound Time Saving Devices. These compact (1.5″ x 4″ x 5.2″) units are designed to solve some of the common audio system problems in the easiest, most efficient, and cost-effective way. All models are made from high quality components and include removable individual 1/0 connectors for quick and precise wiring, separate ground terminals for all I/Os assuring secured connections, and removable level controls that can be replaced with tamper-resistant security covers. The TSDs are highly efficient and meet most energy standards as one 24V DC power supply (available separately) can power multiple Atlas Time Saving Devices. Features • 20W Mono Amplifier • 4Q/25/70/lOOV output • One (1) Balanced Input • Removable Level Control with Set-lt-And-Forget-lt Security Cover • Peak Indicator • Input Signal Indicator • Cable Management System • Multiple Mounting Configurations Separate Ground Connections • Removable Phoenix Style 1/0 Connectors • Meets Most Energy Standards • Compact Chassis Design Audio Applications • Projector Amplifier • Zone Amplifier • Paging Systems Installation Courtrooms • Public Forums • Churches • Restaurants • Schools Industrial Facilities House of Worship Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 3 ****** Owner’s Manual Front Panel Description TSD-PA20VG lx20W Global Commercial Amplifier Atlas Sound o 3 G) 1. Input Level Control – Determines the output level at the loudspeakers on the PA20VG. Turn clockwise to increase the signal level and counter-clockwise to decrease the level. Note: The Input Level Control knob can be removed and replaced with a supplied security cover to prevent unauthorized adjustment. 2. Power LED – Illuminates Blue when 24VDC power is present. 3. Signal LED – Illuminates Green when the input signal strength reaches 25mV to verify a signal path. 4. Peak LED – Illuminates Red when the input signal reaches 3dBV below when signal clipping will occur. Occasional flashing is normal but if this indicator is continuously On, then reduce the input level using the Input Level Control on the front panel. 5. Bracket Retainer Points – Each TSD includes two mounting brackets for securing the TSD to a cabinet or wall. Remove screws and align the bracket with the panel hole before firmly tightening the screws. Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 4 ****** TSD-PA20VG Owner’s Manual lx20W Global Commercial Amplifier Rear Panel Description 2 3 TSD Input/0utput connections are removable for easy system wiring. The connectors have a 3.5mm pitch between pins. 1. DC Power Input – Each TSD that requires DC power comes with a 2 position connector for an external 24VDC power supply (sold separately). Because of the TSDs low power consumption, a single external power supply may power more than one TSD. Please refer to the specifications on current requirements in milliamps to match with the appropriate power supply. Please observe the polarity of the wiring to this connector. Note: It is acceptable to exceed the current requirements of the TSDs but NOT safe to use a power supply that is below the current requirement of the device. 2. Balanced Line Input – Connect balanced line level signals to this phoenix style connectors. Your connection must be mated properly to the input connector or signal loss and/or noise may occur. Note: Unbalanced line level inputs can also be used by connecting the (G) and (-) terminals together. 3. Speaker Outputs – Connectthe loudspeaker wiring to these terminals, observing the polarity shown on the rear of the chassis. For low impedance loads, use the “COM” and 4Q terminals. For high impedance loads, use “COM” and the proper terminal for your system (25/70/1 OOV). It is recommended to keep the sum total of tapped loudspeakers to 20W. 4. Cable Management Retainer Points – Use the rear panel screws for connecting the included cable retainers. Each TSD comes with two cable retainers for simplified cable management. Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 5 ****** Owner’s Manual Knob and Security Cover TSD-PA20VG lx20W Global Commercial Amplifier All front panel level controls feature a removable knob that can be replaced with included security covers to prevent potentiometer damage or unwanted changes. • Knob Installation – Turn the potentiometer shaft fully counter-clockwise. Align the knob indicator to the lowest setting on the panel and the potentiometer shaft slot. Carefully press the knob onto the potentiometer shaft. Do not force or damage may occur to the potentiometer. • Security Cover Installation – Remove the knob from the panel and insertthe cover. Do not force or damage may occur to the potentiometer. Small pliers may be required to remove the knobs. Mounting There are three ways to securely mount this TSD: 1. VelcroTM – Each unit includes industrial-grade VelcroTM with adhesive backing to adhere to any flat surface. 2. Brackets – Each unit includes two mounting brackets to secure to a cabinet or wall. 3. Rack Mount Panel – The optional TSD-RMK rack mount panel supports up to four TSDs in a IRU space. Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 6 ****** TSD-PA20VG Owner’s Manual lx20W Global Commercial Amplifier Block Diagram LEVEL DC24V IN 1 Specifications Description Chassis Color Chassis Material Power Output Input Type Connection Impedance Line Input Level Output Output Taps Type Connection Wire Size Controls Level Control Indicators Input Signal Peak Power SIGNAL PEAK LEO LED OT AMP 100V 70V 4 ohm COM DC OUT POWER LED 1 x 20W Global Commercial Amplifier Black Aluminum 20W @ 4Q, IOW @ 8Q, 20W @ 25/70.7/100V Loads Qty 1, Balanced Line Removable 3 Position Captive Screw 3.5mm Spacing 10KQ Balanced, 5KQ Unbalanced 500mV (-6dBV) Balanced 4Q, 2511, 70V, IOOV Speaker Output Removable 5 Position Captive Screw 5mm Spacing 14 Gauge Max Wire Size Qty 1, Removable Knob with Security Cover Green, 25mV On Threshold Red, -3dB Before Clip Blue Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 7 ****** Owner’s Manual Electrical Frequency Response THD Signal to Noise Mounting VelcroTM Brackets TSD-RMK Cable Retainer Power Requirements Load Taps Voltage Idle Current Idle VA Watts Average Current Average VA Watts Max Current Max VA Watts Dimensions Weight Accessories TSD 24VDC Power Supplies TSD-RMK I RU Rack Panel Safety and Certifications External Power Supply TSD-PA20VG lx20W Global Commercial Amplifier 40Hz – 20kHz (±3dB) @ 1kHz 78dB Industrial-Grade, Included Qty 2, Included Optional 1 RU Rack Mount Panel (Supports 4 T SD Units) Qty2, Included Note: All Current and Watt data is based on AC power consumption using the TSD-PS24V2500mA Power Supply. 40, 25V = 310 Load, 701/ = 250Q Load, 100V = 500Q Load 24VDC 50mA 1.2W 160mA 3.8W 490mA 11.7W H 1.5″ (39mm) x w 4″ (101mm) x D 5.2″ (132mm) 60z, .165kg clJL, CE, RoHS, TUV Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

****** Page 8 ****** TSD-PA20VG Owner’s Manual lx20W Global Commercial Amplifier Limited Warranty All products manufactured by Atlas Sound are warranted to the original dealer/installer, industrial or commercial purchaser to be free from defects in material and workmanship and to be in compliance with our published specifications, if any. This warranty shall extend from the date of purchase for a period of three years on all Atlas Sound products, including SOUNDOLIER brand, and ATLAS SO UND brand products except as follows: one year on electronics and control systems; one year on replacement parts; and one year on Musician Series stands and related accessories. Additionally, fuses and lamps carry no warranty. Atlas Sound will solely at its discretion, replace at no charge or repair free of charge defective parts or products when the product has been applied and used in accordance with our published operation and installation instructions. We will not be responsible for defects caused by improper storage, misuse (including failure to provide reasonable and necessary maintenance), accident, abnormal atmospheres, water immersion, lightning discharge, or malfunctions when products have been modified or operated in excess of rated power, altered, serviced or installed in other than a workman like manner. The original sales invoice should be retained as evidence of purchase under the terms of this warranty. All warranty returns must comply with our returns policy set forth below. When products returned to Atlas Sound do not qualify for repair or replacement under our warranty, repairs may be performed at prevailing costs for material and labor unless there is included with the returned product(s) a written request for an estimate of repair costs before any nonwarranty work is performed. In the event of replacement or upon completion of repairs, return shipment will be made with the transportation charges collect. EXCEPT TO THE EXTENT THAT APPLICABLE LAW PREVENTS THE LIMITATION OF CONSEQUENTIAL DAMAGES FOR PERSONAL INJURY, ATLAS SOUND SHALL NOT BE LIABLE IN TORT OR CONTRACT FOR ANY DIRECT, CONSEQUENTIAL OR INCIDENTAL LOSS OR DAMAGE ARISING OUT OF THE INSTALLATION, USE OR INABILITY TO USE THE PRODUCTS. THE ABOVE WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 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. Service Should your Atlas TSD require service, please contact the Atlas Sound warranty department at 1-877-689-8055, ext. 1274 to obtain an RA number. Atlas Sound Tech Support can be reached at 1-800-876-3333. Visit our website at AtlasSound.com to see other Atlas products 02011 Atlas Sound L.P. All rights reserved. Atlas Sound is a trademark of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004054 RevB 12/11 Atlas 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. SOL-Ind Telephone: 800.876.3333 • Fax: 800.765.3435 AtlasSound.com Specifications are subject to change Without notice.

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ATLAS SOUND TSD-PA20VG (01) PDF MANUAL

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