Atlas LED TSD-PA20VG User manual

– 1 –
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
TSD-PA20VG
1x20W Global Commercial Amplifier

– 2 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Table of Contents
Introduction ............................................................................................................................................................................................................ 3
Key Features........................................................................................................................................................................................................... 3
Applications ............................................................................................................................................................................................................ 3
Installation .............................................................................................................................................................................................................. 3
Front Panel Description .......................................................................................................................................................................................... 4
Rear Panel Description ........................................................................................................................................................................................... 5
Cable Management ................................................................................................................................................................................................ 6
Knob and Security Cover........................................................................................................................................................................................ 6
Mounting ................................................................................................................................................................................................................ 7
Optional Mounting Accessories ............................................................................................................................................................................. 8
Specifications ........................................................................................................................................................................................................10
Block Diagram ...................................................................................................................................................................................................... 12
Dimensional Drawings ......................................................................................................................................................................................... 13
Warranty ............................................................................................................................................................................................................... 16

– 3 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Introduction
The AtlasIED TSD-PA20VG is a cost-effective mono amplifier for 4Ωand 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 1W 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 AtlasIED 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 I/O 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 AtlasIED Time Saving Devices.
Key Features
• 20W Mono Amplifier
• 4Ω/ 25 / 70 / 100V Output
• One (1) Balanced Input
• Removable Level Control with Set-It-And-Forget-It Security Cover
• Peak Indicator
• Input Signal Indicator
• Cable Management System
• Multiple Mounting Configurations
• Separate Ground Connections
• Removable Phoenix Style I/O Connectors
• Meets Most Energy Standards
• Compact Chassis Design
Applications
• Projector Amplifier
• Zone Amplifier
• Paging Systems
Installation
• Courtroom
• Public Forums
• Churches
• Restaurants
• Schools
• Industrial Facilities
• House of Worship

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TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Front Panel
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.
2
4
3
1

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TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Rear Panel
TSD Input/Output 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
Connect the loudspeaker wiring to these terminals, observing the polarity shown on the rear of the chassis. For low impedance loads, use the “COM”
and 4Ωterminals. For high impedance loads, use “COM” and the proper terminal for your system (25/70/100V). It is recommended to keep the sum
total of tapped loudspeakers to 20W.
4. Cable Management Retainer Points
Each TSD includes two cable retainer straps for securing the included cable management retainers. Remove one of the rear panel screws, align the
panel hole with a retainer and firmly tighten the screws.
4
4 4
4
21 3

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TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Cable Management
Knob and Security Cover
All front panel level controls feature a removable knob that can be replaced with an included security cover. Follow these steps to prevent
potentiometer damage or unwanted changes.
1. 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.
2. Security Cover Installation
Remove the knob from the panel and insert the cover. Small pliers may be required to remove the knobs. Align the security cover to the level control
panel hole. Push the cover into the hole until it snaps into place. Do not force or damage may occur to the potentiometer.

– 7 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Mounting
Listed below are the ways to mount the TSD and the optional accessories that can be purchased.
1. Velcro™
Each unit includes two 2" x 2" pieces of industrial-grade Velcro™ with adhesive backing to adhere to any flat surface. Clean all surfaces before applying
the adhesive side of the Velcro™.
2. Multi Mount Plate
Each TSD includes a versatile multi-position mounting plate. This plate allows the TSD to be mounted to any surface; but is ideal for use with rear rack
rails or side rack hat channels. Use the included M3 x 4mm screws to install the plate on the TSD. Note: Only use the included M3 x 4mm screws
as other screws may be too long and will cause internal damage to the TSD. The multi-position mounting plate is a new addition being included with
TSDs. If the TSD being used did not include the mounting plate, contact AtlasIED customer service at 1-800-876-3333.
(M3 x 4mm)
(M3 x 4mm)

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TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Optional Mounting Accessories
1. TSD-RMK 19" Width Rack Mount Kit
For 19" rack mounting, AtlasIED offers an optional rack mount kit, the TSD-RMK. This rack mount kit can support up to four TSD units. The kit includes
three blank panels designed to fill any unused slots. Use the included hardware to mount the TSD into the rack mount kit using the top mount screw
holes on the TSD.
2. TSD-RMKHR Half Width Rack Mount Kit
AtlasIED offers an optional rack mount kit that can be used in half width rack applications including the AtlasIED WMA-HR and AWR-HR models. The
TSD-RMKHR can support up to two TSDs. Included is an extra blank panel to fill one of the spaces if only one TSD is being used.

– 9 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
3. TSD-RRMK Rear Rack Mounting Kit
For complete flexibility in mounting a TSD or TSD external power supplies the optional TSD-RRMK is available. The TSD-RRMK can support mounting of
either two larger TSDs with external power supplies or up to 4 TSD models. Note: Only use the included M3 x 4mm screws as other screws may be
too long and will cause internal damage to the TSD.

– 10 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
System
Type 1 x 20W Global Commercial Amplifier
Inputs
Input Type Balanced Line, Qty 1
Connection Removable 3 Position Captive Screw 3.5mm Spacing
Impedance 10KΩBalanced, 5KΩUnbalanced
Line Input Level 500mV (-6dBV) Balanced
Outputs
Output Type Speaker Output, Qty 1
Taps 4Ω, 25V, 70V, 100V
Connection Removable 5 Position Captive Screw 5mm Spacing
Wire Size 14 Gauge Max
Controls
Level Control Removable Knob with Security Cover, Qty 1
Indicators
Input Signal Green LED, 25mV On Threshold
Peak Red LED, -3dB Before Clip
Power Blue LED
Technical Data
Frequency Response 40Hz - 20kHz (±3dB)
THD 15% @ 1kHz
Signal To Noise 78dBV
Load Rating
8Ω- 10W x 1 CH
4Ω- 20W x 1 CH
25/70.7/100V - 20W x 1CH
Power Requirements (Note 1)
Load Taps 4Ω, 25V = 31ΩLoad, 70V = 250ΩLoad, 100V = 500ΩLoad
Voltage 24VDC
Idle Current 50mA
Idle VA Watts 1.2W
Average Current 160mA
Average VA Watts 3.8W
Max Current 490mA
Max VA Watts 11.7W
Mechanical
Chassis Finish Black
Chassis Material Aluminum
Product Dimensions (HxWxD) 1.5" x 4" x 5.2" (39mm x 101mm x 132mm)
Shipping Dimensions (HxWxD) 3" x 7" x 7" (76mm x 178mm x 178mm)
Unit Weight 0.375 lbs. (0.165kg)
Shipping Weight 2.7 lbs. (1.22kg)
Included Accessories
Velcro™ Industrial-Grade
Multi-Mount Plate Includes Two (2) M3 x 4mm Screws, Qty 1
Cable Retainers Qty 2
Level Control Knob Qty 1
Level Control Security Cover Qty 1

– 11 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Optional Accessories
TSD 24VDC Power Supply
TSD-RMK 1 RU 19" Width Rack Mount Panel (Supports 4 TSD Units)
TSD-RMKHR 1 RU Half Rack Width Panel (Supports 2 TSD Units)
TSD-RRMK Rear Rack Mounting Kit
Safety & Certifications
Safety Listing (External Power Supply) cUL, CE, RoHS, TUV
Note 1: All Current and Watt data is based on AC power consumption using the TSD-PS24V2500mA Power Supply.

– 12 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Block Diagram
INPUT
LEVEL
DC OUT
POWER LED
DC24V IN
AMP 20W
OT
100V
70V
4 ohm
COM
SIGNAL
LED
PEAK
LED

– 13 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Dimensional Drawings
1601 Jack McKay Blvd. • Ennis, TX 75119 • 800.876.3333 • AtlasSound.com
POWER
SIGNAL
PEAK
LEVEL
– +
TSD-PA20VG
Commercial Power Amplifier
COM 4Ω25V 70V 100V
AMPLIFIER OUTPUT
AMPLIFIER POWER IS 20W
– +
24VDC
1000mA
G – +
INPUT 1
USE ONLY
ATLAS APPROVED
POWER SUPPLIES
1.5"
(39mm)
5.2"
(132mm)
4"
(101mm)

– 14 –
TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Notes:

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TSD-PA20VG
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Notes:

– 16 –
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
©2023 Atlas Sound L.P. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a registered trademark of Innovative Electronic Designs LLC. All Rights Reserved.
All other trademarks are the property of their respective owners. All specs are subject to change without notice. ATS004054 RevE 6/23
Limited Warranty
All products manufactured by AtlasIED 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 AtlasIED products, including SOUNDOLIER brand, and ATLAS SOUND 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. AtlasIED 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 AtlasIED 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, ATLASIED
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.
AtlasIED 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 TSD-PA20VG require service, please contact the AtlasIED warranty department through the online warranty claim process.
Online Warranty Claim Processes
1. Warranty submissions are accepted at: https://www.atlasied.com/warranty_statement where the type of return Warranty or Stock return can be
selected.
2. Once selected, you will be prompted to enter your login credentials. If you do not have a login, register on the site. If already logged-in, navigate to
this page by selecting “Support” and then “Warranty & Returns” from the top menu.
3. In order to file a Warranty Claim, you will need:
A. A copy of the invoice / receipt of the purchased item
B. Date of Purchase
C. The product name or SKU
D. The serial number for the item (if no serial number exists, enter N/A)
E. A brief description of the fault for the claim
4. Once all required fields are completed, select the “Submit Button”. You will receive 2 emails:
1. One with a confirmation of the submission
2. One with a case# for your reference should you need to contact us.
Please allow 2-3 business days for a response with a Return Authorization (RA) number and further instructions.
AtlasIED Tech Support can be reached at 1-800-876-3333 or atlasied.com/support.
Visit our website at www.AtlasIED.com to see other AtlasIED products.