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Atlas TSD-RL21 Owner's Manual

2x1 mic/line mixer with remote level
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TSD-RL21
Owner's Manual
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 –
AtlasSound.com
Specifications are subject to change without notice.

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Summary of Contents for Atlas TSD-RL21

  • Page 1 TSD-RL21 Owner’s Manual 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 – AtlasSound.com Specifications are subject to change without notice.

  • Page 2: Audio Applications

    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.

  • Page 3: Front Panel Description

    TSD-RL21 Owner’s Manual 2x1 Mic/Line Mixer Front Panel Description 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.

  • Page 4: Rear Panel Description

    TSD-RL21 Owner’s Manual 2x1 Mic/Line Mixer Rear Panel Description 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 c onnector 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...

  • Page 5: Switch Position

    TSD-RL21 Owner’s Manual 2x1 Mic/Line Mixer 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.

  • Page 6: Block Diagram

    TSD-RL21 Owner’s Manual 2x1 Mic/Line Mixer Block Diagram DIP SWITCH FUNCTION SET INPUT LINE MIXED MIC/LINE INPUT 1 – – REMOTE LEVEL OUTPUT INPUT 1 LEVEL FRONT PANEL PEAK SIGNAL INPUT 2 FRONT PANEL INPUT 2 LEVEL FRONT PANEL REMOTE LEVEL...
  • Page 7 TSD-RL21 Owner’s Manual 2x1 Mic/Line Mixer Outputs Type Qty 1, Balanced Line Connection Removable 3 Position Captive Screw 3.5mm Spacing Impedance 300Ω Balanced, 150Ω Unbalanced Line Output Level 1V (0dBV) In = 2V (+6dBV) Balanced, Maximum Output 6V (15dBV) Controls Input Level Control Qty 2, Removable Knobs with Security Covers...

  • Page 8: Limited Warranty

    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...

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