W2IHY EQplus Operating Manual Download | Manualshive

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OPERATING MANUAL

EQ

plus

AUDIO

PROCESSOR

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Summary of Contents for EQplus

Page 1: ...OPERATING MANUAL EQplus AUDIO PROCESSOR ...

Page 2: ...04 Julius D Jones 19 Vanessa Lane Staatsburg N Y 12580 845 889 4253 E mail Julius W2IHY COM Home Page http www w2ihy com c 2004 W2IHY ALL RIGHTS RESERVED 2 TECHNOLOGIES W2IHY EQplus AUDIO PROCESSOR OPERATING MANUAL ...

Page 3: ...ntroduction 4 Front Panel Controls 5 9 Rear Panel Controls 10 11 Schematic Front Panel 12 13 Schematic Rear Panel 14 Rear Panel Controls 15 Getting Started Tutorial 16 19 Internal Wiring 20 Audio Out Cable wiring 21 24 3 ...

Page 4: ...ny different radios on AM FM and SSB so that the product would be ready for you to use problem free Buying the EQplus gives you the availability to Amateur Service unrivaled in the hobby We feel so confident that you will be delighted with the EQplus that we offer a 30 day money back no questions asked guarantee The EQplus represents the new reference point for easy to use amateur radio audio equi...

Page 5: ...when power is on in the unit 1 Power On Off Switch S1 2 Power on LED LED1 3 Audio Input Mic PWR Power Switch S6 Turning this switch on puts 5V onto what is plugged into the Mic In and Aux Input connectors The Mic power switch must be on if you have any of the following microphones connected directly into the EQplus ICOM HM12 HM36 SM6 etc Heil microphones made specifically for ICOM radio s such as ...

Page 6: ...0 segment LED Bar Graph indicates peak to peak EQplus internal audio levels The position of the Equalizer 7 and Compressor Downward Expander 10 switches control what internal function is being indicated The tables below defines what the LED Bar Graph is indicating The pictorial below shows the EQplus Audio Chain while speaking into the microphone EQplus BAR GRAPH MONITORING Compressor Equalizer Ba...

Page 7: ... boost Each case marking represents 4dB This rotary potentiometer works only when the Equalizer Switch 7 is on Turning the control clockwise increases the amount of treble boost Turning this control counterclockwise decreases the amount of treble boost The detent at the half way point of rotation represents 0 dB of boost Each case marking represents 4dB When the switch is in the off position the c...

Page 8: ... the signals they process The net result of the EQplus compressor is up to 20dB of signal compression with very low distortion and little to no change in overall audio bandwidth This potentiometer works only if the Compressor Downward Expander switch 10 is on The Downward Expander removes unwanted audible sounds such as fan noise The Downward Expander is operated by turning the DE LEVEL Control cl...

Page 9: ... of the EQplus When the pot is turned clockwise at the halfway point there is a detent This represents a starting point for adjusting the Effects Processor Delay This potentiometer works only if the Effects Processor 3 position toggle switch is selecting either effect 1 or effect 2 The Level control when rotated clockwise increases the amplitude that the delayed audio waveform is combined with the...

Page 10: ...Mic Input 19 Other microphones supported with mic adapters This Input uses an 8 Pin microphone male connector The impedance of this input is set by the Audio Input 3 position toggle switch 4 Do not use this connector when RCA Mic In 20 or the Aux Input 21 is being used Icom Ken Yaesu Mic Mic 5V PTT 5V PTT 5V PTT Gnd Mic Gnd Gnd Mic 1 2 5 6 7 8 J8 Pin PTT PTT Gnd Gnd 10 ...

Page 11: ...nal device This connector works independent of the Mic Select switch 18 and may be used for another audio input source such as a W2IHY 8 Band EQ The impedance of this input is set by the Audio Input 3 position toggle switch 4 This female RCA connector is for push to talk control A foot switch or other device may be connected Grounding the center of the connector grounds the push to talk line on th...

Page 12: ... of the 3 outputs This 1 4 Stereo headphone connector can be used to monitor audio from the EQplus The output level of this connector is controlled by the Monitor Level control 1 An inline adapter should be used with headsets that do not use 1 4 stereo connectors Stores like Radio Shack have such adapters available 5 Pin Din connector 7 14 VDC input at 100 ma Important Unless headphones using 1 4 ...

Page 13: ...that is connected into the MIC IN Most amateur radio mics are 600 ohms Power Equalizer Compressor Downward Effects Processor Mic Select Audio Out If you are using a mic into the EQ plus Adjusting the Audio Input Level using a Mic into the EQplus Connect your microphone into the rear connector T front panel Audio Input Mic PWR Switch 3 is off Set the Audio Input impedance 4 to 600 ohms Turn on the ...

Page 14: ...esent in the 23 The detent midway through the rotation is 0dB gain point Turning the potentiometer 8 clockwise will increase the amount of low frequencies present in the 23 The detent midway through the rotation is the 0dB gain point Experimentation will be required to determine the optimal settings for the Equalizer With the Compressor Downward Expander off the audio level as seen on the LED Bar ...

Page 15: ... headsets into the rear panel 1 4 stereo connector 24 Listen to audio from the EQplus while talking into the mic Adjust the front panel control 1 to a comfortable listening level When you are not talking listen in the headsets for background noise Turn the Downward Expansion control 12 clockwise You should hear the background noise level reduce as you turn this control clockwise As you continue to...

Page 16: ...ng the Effects Processor Controls The Effects Processor creates 2 different effects Program 1 13 up towards 1 simulates audio reflecting from a surface multiple times Program 2 13 selecting 2 simulates audio reflecting from a surface once With your radio connected to the EQplus adjust the control 16 to a level that properly drives your radio Turning the Output Level control clockwise increases the...

Page 17: ...MIC IN PIN 1 PIN 7 INTERNAL WIRING 20 ...

Page 18: ...UDIO OUT 1 2 3 5 Pin Male DIN AUDIO OUT 1 2 3 5 Pin Male DIN AUDIO OUT 1 2 3 5 Pin Male DIN AUDIO OUT 1 2 3 5 Pin Male DIN Din connectors shown on side to be soldered Gnd Audio cable shield PTT Audio Audio Balanced Output Din connectors shown on side to be soldered Gnd Audio cable shield PTT Audio Unbalanced Output 1K Ohm Din connectors shown on side to be soldered Gnd Audio cable shield PTT Audio...

Page 19: ...ector Pin 2 8 Pin Mic Connector Pin 6 8 Pin Mic Connector Pin 7 8 Pin Mic Connector Pin 7 8 Pin Mic Connector Pin 1 8 Pin Mic Connector Pin 8 Yaesu FT102 FT107 FT747 757 767 FT847 FT1000 1000D Mic PTT GND Mic 8 Pin Mic Connector Pin 6 8 Pin Mic Connector Pin 7 Shield of Cable 8 Pin Mic Connector Pin 8 ICOM BALANCED MODULATOR 746 756 756 PRO 775 781 910H 5 PIN DIN to 5 PIN DIN Mic PTT GND Mic 8 Pin...

Page 20: ...TEC EXCEPT ORION Audio Audio PTT GND 4 Pin Mic Connector Pin 3 4 Pin Mic Connector Pin 2 4 Pin Mic Connector Pin 1 Shield of Cable TEN TEC ORION Audio Audio PTT GND 4 Pin Mic Connector Pin 3 4 Pin Mic Connector Pin 2 4 Pin Mic Connector metal shell 4 Pin Mic Connector Pin 1 Shield of Cable Shield of Cable Shield of Cable Shield of Cable Shield of Cable Yaesu FT901DM Galaxy Audio Audio PTT GND 4 Pi...

Page 21: ...Audio Audio Audio Audio GND GND GND GND Shield of Cable Shield of Cable Shield of Cable Shield of Cable LOW Z XLR BALANCED OUTPUT HI Z XLR BALANCED OUTPUT Audio Audio Audio HI Z Audio GND GND Shield of Cable Shield of Cable 1 2 3 1 2 3 24 Gnd PTT Audio Audio 8 Pin Mic Connector Pin 5 Shield of Cable Shield of Cable 8 Pin Mic Connector Pin 6 Male XLR pin 3 Shield not connected Male XLR connector pi...

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