Atlas LED TSD-PA20VG User manual

– 1 –

AtlasIED.com

TELEPHONE: (800) 876-3333

SUPPORT@ATLASIED.COM

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: (800) 876-3333

SUPPORT@ATLASIED.COM

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: (800) 876-3333

SUPPORT@ATLASIED.COM

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

– 4 –

TSD-PA20VG

Owner’s Manual

AtlasIED.com

TELEPHONE: (800) 876-3333

SUPPORT@ATLASIED.COM

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.

– 5 –

TSD-PA20VG

Owner’s Manual

AtlasIED.com

TELEPHONE: (800) 876-3333

SUPPORT@ATLASIED.COM

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

21 3

– 6 –

TSD-PA20VG

Owner’s Manual

AtlasIED.com

TELEPHONE: (800) 876-3333

SUPPORT@ATLASIED.COM

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: (800) 876-3333

SUPPORT@ATLASIED.COM

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)

– 8 –

TSD-PA20VG

Owner’s Manual

AtlasIED.com

TELEPHONE: (800) 876-3333

SUPPORT@ATLASIED.COM

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: (800) 876-3333

SUPPORT@ATLASIED.COM

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: (800) 876-3333

SUPPORT@ATLASIED.COM

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

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