TSD-RL21 Owners Manual
Owner’s Manual
TSD-RL21
2x1 Mic/Line Mixer
TSD-RL21
2x1 Mic/Line Mixer with Remote Level
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
–1–
Specifications are subject to change without notice.
AtlasSound.com
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
Description
The versatile Atlas Sound TSD-RL21 2x1 mic/line mixer is ideal for applications where paging, public
address, and BGM music is required.
Use as a standalone remote mixer or in conjunction with Atlas Sound power amplifiers in applications such as conference center meeting rooms, football stadiums, gymnasiums, retail/hospitality or
other areas requiring versatile, multi source mix control.
Channel one may be configured via rear panel dipswitch to accommodate mic or line level while
channel two features a stereo summing RCA line level input. Both inputs are adjustable by front
panel controls with removable knobs, which may be easily replaced by security covers to prevent
tampering.
The remote level control feature allows use of the Atlas Sound AAVC-10K (or equal) decorative wall
plate control for convenient remote adjustment of either the entire mix bus or RCA input 2 only (the
typical BGM input).
The TSD-RL21 is part of a full line of Atlas Sound Time Saving Devices. These compact
(1.5" x 4" x 2.75") units are designed to solve some of the common audio system problems in the
easiest and in the 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-proof security covers.
Features
Audio Applications
• Selectable Balanced Mic or Line Input
• RCA Actively Summed Input
• High Gain Mic Input 50dB
• Balanced Line Output
• Input Peak & Signal Indicator LEDs
• Remote Level Control Assignable to the
Mixed Signal or to a BGM Source
• High Gain Output for Driving Long
Balanced Lines
• Cable Management System
• Multiple Mounting Configurations
• Separate Ground Connections
• Removable Phoenix Style I/O Connectors
• Meets Energy Star™ Standards
• Compact Chassis Design
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Mixer
Mic Preamp
Line Preamp
Stereo Summing Preamp
Line Drive
Remote Level Control
Installation
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Churches
Restaurants
Sports Bars
Schools
Industrial Facilities
House of Worship
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
AtlasSound.com
–2–
Specifications are subject to change without notice.
Owner’s Manual
TSD-RL21
2x1 Mic/Line Mixer
Front Panel Description
5
5
3
4
2
5
5
1
1. Input Level Controls 1-2 - Adjusts audio signal level that is appled to the RL-21 input circuitry. Turn clockwise to increase the signal level and counter-clockwise to decrease it. Note: The Input Level
Control knobs 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. Input 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.
4. Signal LED - Illuminates Green when the input signal strength reaches 25mV to verify a signal path.
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.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
–3–
Specifications are subject to change without notice.
AtlasSound.com
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
Rear Panel Description
6
6
5
4
6
6
1
2
3
TSD Input/Output connections are removable for easy system wiring. The connector has 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 TSD’s 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. 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. Mic/Line Input 1 - Connects to balanced line or mic level sources. Your connection must be mated
properly to the input connector or signal loss and/or noise may occur. For gain or source input
type selection, refer to the “Dip Switch Function Identification” chart for proper input setting. Note: Unbalanced line level inputs can be inserted with proper wire configuration by connecting the (G) and (-) terminals together.
3. RCA Input 2 - Unbalanced audio signals applied to these female RCA connectors are summed electronically and fed to the output.
4. Line Output - Provides output when an input signal is present for connection to balanced mic or line level devices. Your output connections must be connected properly to the connectors or loss and/or noise may be introduced into the signal. Note: Unbalanced line level devices can be used with proper wire configuration by connecting the (G) and (-) terminals together.
5. Remote Level - For remote gain control of the RL21, connect the Atlas Sound AAVC-10K (or equal) wall plate to this terminals. Set Dip Switch 8 for the remote level to control a mixed signal or Input 3 signal only.
6. Cable Management Retainer Points - Use rear panel screws to secure included cable management retainers.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
AtlasSound.com
–4–
Specifications are subject to change without notice.
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
Dip Switch Function Identification
SWITCH FUNCTIONS
Switch Position
• DIP SW # 1 - Microphone or Line Input 1 gain selection. Up position is Line, down position Microphone.
• DIP SW # 2 - Remote Level sets whether the remote volume control adjusts all inputs mixed or Input 2 only. Up position is Input 2 (RCAs) only, down position is both Input 1 and Input 2.
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. 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.Velcro™ - Each unit includes industrial grade Velcro™ 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
1RU space.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
–5–
Specifications are subject to change without notice.
AtlasSound.com
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
Block Diagram
DIP SWITCH FUNCTION SET
1
2
INPUT
VCA
LINE
RCA
MIC
MIXED
1 2
MIC/LINE
INPUT 1
+
+
–
G
–
REMOTE
LEVEL
G
OUTPUT
INPUT 1
LEVEL
FRONT PANEL
PEAK
SIGNAL
INPUT 2
R
L
FRONT PANEL
INPUT 2
LEVEL
FRONT PANEL
REMOTE LEVEL
24V
DC 24V
POWER SHOW
LED
Specifications
Description
2 x 1 Mic/Line Mixer with Remote Level
Chassis Color
Chassis Material
Black
Aluminum
Inputs
Type
Qty 1, Unbalanced
Connection
RCA Left and Right Actively Summed
Impedance10KΩ
Input Level
316mV (-10dBV) = 2V (+6dBV) Balanced Output,
Maximum Input 1.6V (4.1dBV)
Type
Qty 1, Balanced Mic or Line Selectable
Connection
Removable 3 Position Captive Screw 3.5mm Spacing
Impedance1.2KΩ Balanced, 600Ω Unbalanced
Line Input Level
1V (0dBV) Balanced = 2V (+6dBV) Balanced Output, Maximum Input 6V (15dBV)
Mic Input Level
46dB Gain 10mV (-40dBV) Balanced = 2V (+6dBV) Balanced Output,
Maximum Input 40mV (-27dBV)
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
AtlasSound.com
–6–
Specifications are subject to change without notice.
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
Outputs
Type
Qty 1, Balanced Line
Connection
Removable 3 Position Captive Screw 3.5mm Spacing
Impedance300Ω Balanced, 150Ω Unbalanced
Line Output Level
1V (0dBV) In = 2V (+6dBV) Balanced, Maximum Output 6V (15dBV)
Controls
Input Level Control
Remote Level
Dip Switch Function
Qty 2, Removable Knobs with Security Covers
Control Port 10K External Pot,
Removable 2 Position Captive Screw 3.5mm spacing
• Input 1, Mic/Line Select
• Remote Level Assign, Mix or Input 2
Indicators
Input Signal
Input Peak
Power
Green, 25mV On Threshold
Red, -3dB Before Clip
Blue
Electrical
Frequency Response
THD
Signal to Noise
20Hz - 20kHz (±1dB)
.06% & 1kHz
Line to Line: 85dBV
Mic to Line: 70dBV
Mounting
Velcro™
Brackets
TSD-RMK
Cable Retainer
Industrial Grade, Included
Qty 2, Included
Optional 1 RU Rack Mount Panel (Supports 4 TSD Units)
Qty 2, Included
Power Requirements
Voltage24VDC
Power Consumption 60mA
Power Consumption 1.4W
Dimensions
H 1.5" (39mm) x W 4" (101mm) x D 2.75" (70mm)
Weight
6oz, .165kg
Accessories
TSD 24VDC Power Supplies
TSD-RMK 1 RU Rack Panel
Safety and Certifications
External Power Supply
cUL, CE, RoHS, TUV
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
–7–
Specifications are subject to change without notice.
AtlasSound.com
TSD-RL21
2x1 Mic/Line Mixer
Owner’s Manual
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
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. 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 www.AtlasSound.com to see other Atlas products
©2010 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. ATS003946 RevA 11/10
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
AtlasSound.com
–8–
Specifications are subject to change without notice.
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