Atlas Sound TSD MIX41 audio mixer Owner's Manual
Atlas Sound TSD-MIX41 is a compact and versatile 4x1 mic/line mixer designed for various audio applications, such as combining choir microphones in houses of worship or as a standalone mixer for interfacing with Atlas Sound amplifiers. It features four balanced mic/line inputs with switchable 24V phantom power, up to 50dB mic gain per input, and a 12dB/octave high pass filter at 125Hz to minimize bass rumble and feedback. The TSD-MIX41 also includes a balanced line output, input peak and signal indicator LEDs, and a high gain output for driving long balanced lines.
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Owner’s Manual
TSD-MIX41
4x1 Mic/Line Mixer
TSD-MIX41
4x1 Mic/Line Mixer
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
Specifications are subject to change without notice.
TSD-MIX41
4x1 Mic/Line Mixer
Owner’s Manual
Description
The Atlas Sound TSD-MIX41 4x1 mic/line mixer is ideal for applications where multiple mic or line sources need to be sub mixed or summed. In House of Worship applications the TSD-MIX41 is especially useful for combining similar sources such as choir microphones to a single mixer channel.
The unit also works well as a stand-alone mic/line mixer that can be easily interfaced with Atlas
Sound amplifiers. Other applications include restaurants, conference rooms, and schools.
Each input is mic/line switchable with phantom power provided for condenser microphones. The high quality, low noise internal mic preamps ensure clarity and quiet operation without unwanted coloration. A 12dB/octave high pass filter @ 125Hz also is available on each input to minimize bass rumble and low frequency feedback.
The TSD-MIX41 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. The TSDs are highly efficient and meet Energy Star™ standards as one
24V DC power supply (available separately) can power multiple Atlas Time Saving Devices.
Features
• Four (4) Balanced Mic/Line Inputs
• Four (4) Professional Grade Microphone
Preamps with Switchable 24V Phantom
Power
• Up to 50dB Mic Gain Per Input
• 12dB/Octave Low Cut Filter @ 125Hz
• Balanced Line Output
• Input Peak & Signal Indicator LEDs
• High Gain Output for Driving Long
Balanced Lines
• Separate Ground Connections
• Removable Phoenix Style I/O Connectors
• Security Covers Included for All Front
Panel Controls
• Meets Energy Star™ Standards
• Compact Chassis Design
Audio Applications
• Mic Preamp
• Line Preamp
• Line Drive
• Choirs
Installation
• Churches
• Restaurants
• Sports Bars
• Schools
• Industrial Facilities
• House of Worship
AtlasSound.com
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 2 –
Specifications are subject to change without notice.
Owner’s Manual
Front Panel Description
6
TSD-MIX41
4x1 Mic/Line Mixer
6
6
5
4
3
6
1 2
1. Inputs 1-4 Level Controls - Adjusts the gain of the independent input signals. 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. Mixed Output Level Conrol - Adjust the output level of the summed signals from the four inputs.
Turn clockwise to increase the signal level and counter-clockwise to decrease it. Note: The
output level control knobs can be removed and replaced with supplied security covers to prevent
unauthorized adjustment.
3. Power LED - Illuminates BLUE when 24VDC power is present.
4. Output Signal LED - Illuminates Green when the input signal strength reaches 25mV to verify a
signal path. Note: The LED will not illuminate if the output Level is turned Off.
5. Output Peak LED - Illuminates Red when the output 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.
6. 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
Specifications are subject to change without notice.
TSD-MIX41
4x1 Mic/Line Mixer
Rear Panel Description
4
Owner’s Manual
3
4
4 4
1 2
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. Balanced Inputs 1-4 - 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. Balanced Line Output - Provides output when an input signal is present for connection to
balanced 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.
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.
AtlasSound.com
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 4 –
Specifications are subject to change without notice.
Owner’s Manual
Dip Switch Function Identification
TSD-MIX41
4x1 Mic/Line Mixer
Switch Position
• DIP SW # 1,2,3,4 - 24VDC Phantom Power applies power for condenser mic operation to
corresponding input terminal. Down position is On.
• DIP SW # 5,6,7,8 - Input Mic or Line Select for input gain selection for each of the inputs. Up
position is Line, down position is Microphone.
• DIP SW # 9,10, 11, 12 - Low Cut Filter engages at at 125Hz with a roll off rate of 12dB per octave.
This filter operates either in the Line or Mic mode and is available on each input. Ideal for vocal
microphones to reduce low frequency energy and to increase intelligibility. Down position is On.
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
Specifications are subject to change without notice.
TSD-MIX41
4x1 Mic/Line Mixer
Owner’s Manual
Block Diagram
INPUT 1
+
–
G
INPUT 2
+
–
G
MIC/LINE
INPUT
LEVEL
MIC/LINE
1 2 3 4 5 6 7 8 9 10 11 12
1
INPUT 1
OFF
ON
2
PHANTOM
3
INPUT 2
OFF
ON
INPUT 3
OFF
ON
4
INPUT 4
OFF
ON
DIP SWITCH FUNCTION SET
5
INPUT 1
6
INPUT 2
7
INPUT 3
8
INPUT 4
LINE
MIC
LINE
MIC
LINE
MIC
LINE
MIC
9
INPUT 1
OFF
ON
10 11
LOW CUT 125Hz/12dB
INPUT 2
OFF
ON
INPUT 3
OFF
ON
12
INPUT 4
OFF
ON
LOW CUT
125Hz -3dB
DC 24V 24V
POWER SHOW
LED
LOW CUT
125Hz -3dB
INPUT
LEVEL
OUTPUT 1
LEVEL
SIGNAL
LED
PEAK
LED
+
–
G
OUTPUT
MIC/LINE
INPUT 3
+
–
G
LOW CUT
125Hz -3dB
INPUT
LEVEL
MIC/LINE
INPUT 4
+
–
G
LOW CUT
125Hz -3dB
INPUT
LEVEL
Specifications
Description 4 x 1 Mic/Line Mixer
Chassis Color
Chassis Material
Black
Aluminum
Inputs
Type
Connection
Qty 4, Balanced Mic or Line Selectable
Removable 3 Position Captive Screw 3.5mm Spacing
Impedance 1.2KΩ Balanced, 600Ω Unbalanced
Phantom
Low Cut Filter
24VDC Defeatable
125Hz/12dB Defeatable
AtlasSound.com
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 6 –
Specifications are subject to change without notice.
Owner’s Manual
TSD-MIX41
4x1 Mic/Line Mixer
Line Input Level
Mic Input Level
Outputs
Type
Connection
Impedance
Line Output Level
Controls
Input Level Control
Output Level Control
Dip Switch Function
Indicators
Output Signal
Output Peak
Power
Electrical
Frequency Response
THD
Signal to Noise
1V (0dBV) Balanced = 2V (+6dBV) Balanced Output,
Maximum Input 6V (+15dBV)
46dB Gain, 10mV (-40dB) Balanced = 2V (+6dBV) Balanced Output,
Maximum Input 40mV (-27dBV)
Qty 1, Balanced Line
Removable 3 Position Captive Screw 3.5mm Spacing
300Ω Balanced, 150Ω Unbalanced
1V (0dBV) In = 2V (+6dBV), Maximum Output 6V (15dBV)
Qty 4, Removable Knobs with Security Covers
Qty 1, Removable Knob with Security Cover
• Phantom Power 24VDC, Qty 4
• Input Mic/Line Select, Qty 4
• Input 125Hz/12dB High Pass Filter, Qty 4
Green, 25mV On Threshold
Red, -3dB Before Clip
Blue
20Hz - 20kHz (±1dB)
.06% & 1kHz
Line to Line: 85dBV
Mic to Line: 78dBV
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
Voltage 24VDC
Power Consumption
Power Consumption
60mA
1.4W
H 1.5" (39mm) x W 4" (101mm) x D 2.75" (70mm)
6oz, .165kg
Dimensions
Weight
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
Specifications are subject to change without notice.
TSD-MIX41
4x1 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. ATS003942 RevA 9/10
AtlasSound.com
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 8 –
Specifications are subject to change without notice.

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Key features
- 4x1 Mic/Line Mixer
- Professional Grade Microphone Preamps
- Switchable 24V Phantom Power
- Up to 50dB Mic Gain Per Input
- Balanced Line Output
- Compact Design
- Energy Star compliant
- Removable I/O connectors
- Tamper-proof security covers