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ST-LMX3 thru ST-MPA2
ST-LMX3 Line and Mic Level Mixing Amplifier
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Anywhere You Need....
Mic and Line Audio Mixing
Balanced or Unbalanced Inputs and Output
To Add Additional Inputs to Existing Mixer
To Combine Signals of Different Level, Impedance, or balanced /Unbalanced Configuration
Expandable Add-On Mixing System
APPLICATION: The ST-LMX3 is part of a group of products in the STICK-ON series from Radio Design Labs. The durable bottom adhesive permits quick, permanent mounting nearly anywhere, or use it with RDLs racking accessories. The ST-LMX3 gives you the advantages of a combination line/mic audio mixer with the added convenience of STICK-ONs!
The ST-LMX3 is a 3-channel utility audio mixer for combining one or two mic-level signals with a line-level signal, all to a single line-level output.
Individual level control is provided for each input. Each input features a separate preamplifier circuit which isolates it from the other inputs. Signals from the three preamps are actively summed and fed to the output line-level driver amplifier. The line-input circuit allows the input to accept either a balanced or unbalanced signal, of either high or low impedance. The mic-inputs circuit design allows the inputs to accept either balanced low-impedance mics or high-impedance unbalanced mics. The output is capable of driving into either high or low impedance, balanced or unbalanced loads. Each output may be connected in parallel with ST-MX3’s or ST-MMX3’s to form a multi-channel mixer to fit nearly any installation! The ST-LMX3 features direct coupled amplifier circuitry which produces the unsurpassed pure clarity for which Radio Design Labs products are known! Some features are:
 Ultra-low distortion and noise
 Input levels individually adjustable
 Ample headroom at operating level
 Full operation in either high or low impedance circuits
 Outputs short circuit protected
 Positive connections via barrier block - no audio connectors to wire
 Anywhere you need a small, simple, quality mic and line input utility mixer, the ST-LMX3 is the cost-effective solution!
ST-LMX3 YDI Price $126.00 Limited to quantity on hand
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ST-MX2 Universal Audio Mixer
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Anywhere you need...
 Two Channel Audio Mixing
 Mixer with Selectable Mic or Line Level Inputs
 Mixer with Simultaneous Mic and Line Outputs
 To Add Additional Inputs to an Existing Mixer
 Audio Output Dual-LED VU Metering
 Balanced or Unbalanced Inputs and Outputs
 Low-Noise and Low-Distortion Performance
The ST-MX2 is used in any application requiring mixing of two audio sources. A mic may be mixed with a line-level music source. Two mics may be mixed to feed the mic or line level input of a power amplifier. A mic or professional +4 dBu line-level mono sum is possible. It may be used to convert mono line-level signals from consumer to professional, or from professional to consumer format. It may also be used as a microphone preamplifier, or conversely to adapt unbalanced or balanced line-level signals into the microphone input of other equipment.
ST-MX2 YDI Price $138.20
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ST-MX3 Line And Microphone Level Mixers
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ANYWHERE YOU NEED...
Audio Mixing with Up To 3 Inputs
Balanced or Unbalanced Inputs & AMP Outputs
To Add Additional Inputs to existing Mixer
Expandable add-on Mic & Line Mixing
To Combine Signals of Different Level, Impedance, or balanced /Unbalanced Configuration
APPLICATION: The ST-MX3 is a line-level mixer module in the STICK-ON Series of products. It provides audio mixing of three line-level inputs with individual input gain adjustments. The line-level output is capable of driving either high or low impedance, balanced or unbalanced loads.
The ST-MX3 operates from floating or bipolar dc power.
For installations with microphone level inputs, use the ST-UMX3 Universal Audio Mixer.
ST-MX3 YDI Price $127.57
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ST-MPA2 Microphone Phantom Adapter
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ANYWHERE YOU NEED...
To Add Phantom Powered Mics to Standard Inputs
Two Phantom Adapters in One Module
Phantom Conversion with Full Frequency Response
Fully trim pot Adjustable Phantom voltage
Highly Filtered Phantom Power
APPLICATION: The ST-MPA2 contains two identical phantom power circuits and a common power supply input. If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Phantom voltage appears on each of the mic input terminals. There is no voltage on the mic output terminals. Therefore, the ST-MPA2 can convert any existing mic input into a phantom powered input!
The power supply input terminals may be fed with any dc voltage from 6 volts to 52 volts. The ST-MPA2 has an internal pass transistor-regulator filter circuit which permits this incoming voltage to be adjusted to the desired phantom voltage, up to 92% of the supply input voltage. A multi-turn trimming potentiometer is provided for you to adjust for the correct phantom voltage.
ST-MPA2 YDI Price $92.76
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Typical Performance reflects product at publication time exclusive of EMC data, if any, supplied with product. Specifications subject to change without notice.
RDL, Radio Design Labs, the Radio Design Labs logo, STICK-ON, Rack-Up and the Rack-Up logo are registered trademarks of Radio Design Labs. TX, Flat-Pak, SourceFlex, Sure-Lok and Specialists in Practical Precision Engineering are trademarks of Radio Design Labs.
Copyright © 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Radio Design Labs
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Prices current 4/20/2007. Prices are subject to change without notice. The products shown above are typically stocked by "You-do-it" Electronics Center. We try to maintain a current listing of products available. Occasionally products which are out of production may be listed on our website.
Please E-mail Sales@youdoitelectronics.com or Call for current availability. Prices are subject to change without notice. All orders are subject to acceptance by this company & our Vendor in accordance with its standard acknowledgement form. All prices are subject to all applicable State and/or Local sales taxes. Terms are MasterCard, Visa, Discover, or American Express or Check with order, unless other arrangements are made with our credit department.
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