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Radio Systems MA-4, Manual

The Radio Systems MA-4 is a top-notch device for all your radio communication needs. To ensure easy and convenient operation, we offer a comprehensive user manual that can be downloaded for free from our website. Get the most out of your MA-4 with our detailed manual available only at manualshive.com.

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R a d i o S y s t e m s , I n c .

M A - 4 M a n u a l

P a g e 1

MA-4

Four Channel

Mixer Amplifier

Manual

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Summary of Contents for MA-4

Page 1: ...R a d i o S y s t e m s I n c M A 4 M a n u a l P a g e 1 MA 4 FourChannel MixerAmplifier Manual ...

Page 2: ...e Forunbalancedinputswirethehotleadtothepositiveterminal pin2 andtheshieldtotheground terminal pin1 Shortthenegativeterminal pin3 toground pin1 Formonoinputs wirethefeedinparalleltobothleftandrightinputsforthatchannel Inputsare bridging 20kohm impedancesotheoutputloadingofyoursourcedevicewillnotbeeffected Unusedinputscanbeleftunterminated unconnected Forunbalancedoutputs connecttothepositive pin2 ...

Page 3: ...rexample ifthedesiredoutputvoltageis2 18Vpp 0dBm andthereare4activeinputsper channel thentheoutputvoltageofanysingleinputshouldbe0 545Vpp Disconnectthisinputandrepeatforalladditionalinputsyouwillbeconnecting Repeatthe procedurefortherightchannelinputs Next connectandsimultaneouslyapplysignwavefromallinputs Checkthattheoutputnow equalsthedesiredtotaloutputvoltage Usetheindividualchanneltestpointsto...

Page 4: ...ncedfloatingsource usetwoconductorshielded wire Groundtheshieldatthesourceend Establishgoodgroundbetweenthechassiseitherdirectlyorthough AC plug ground prongs At the load connect the lead to the input and the lead to the input Put two 300 ohmresistorsinseriesbetweenthe inputandthe inputandconnecttheirmid pointtotheloadground This correctlyterminatesthesourceoutputtransformerforoptimumfrequencyandt...

Page 5: ...n THD N 002 20Hz to 20kHz FrequencyResponse 1dB20Hzto2kHz InputImpedance20kohms OutputImpedance60ohms Inputgainjumperselectable0to 20dB Output level 25dBm into 600 ohm load Headroom21dBabove 4dBmoutput with600ohmload DynamicRange123dB Crosstalk 105dBfullbandwidth Noise102dBbelow 4dBm ...

Page 6: ...ondence During the warranty period there will be no charge for parts or service made to units which show no sign of misuse by customer or lightning caused damage The customer is responsible for the cost of shipping their unit back to Radio Systems for repair During the warranty period shipment of small parts and assemblies may also be made at a charge to the user Emergency shipments of replacement...

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