W2IHY AUDIO PROCESSOR, Operating Manual

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: ...and off 2 Power on LED LED1 This LED goes on when power is on in the unit 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: ...ph 6 6 LED Bar Graph The 10 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 EQplus BAR GRAPH MONITORING Compressor Equalizer Bar graph m...

Page 7: ...ing 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 10 Compressor Downward Expander On Off Switch S2 When the switch is in the off position the compressor and downward expander have no effect on the EQplus s aud...

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 12 Compressor Downward Expander Downward Expander Level DE LEVEL POTENTIOMETER R47 This potentiometer works only if the Compressor Downward Expander switch 10 is on The Downward Expander removes unwanted audible sounds suc...

Page 9: ...t for adjusting the Effects Processor Delay 15 EFFECTS PROCESSOR LEVEL Potentiometer R47 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 original non delayed waveform When the pot is turned clockwise at the ha...

Page 10: ...Other microphones supported with mic adapters 19 MIC INPUT 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: ...s 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 22 PTT INPUT 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 the selected Audio ...

Page 12: ...4 PHONES 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 Important Unless headphones using 1 4 stereo connectors are used the EQplus monitor will not operate properly An inline adapter should be used with headsets that do not use 1 4 stereo connectors Stores like Radio Shack have such a...

Page 13: ...en turn the front panel Audio Input Mic Pwr switch on Set the Audio Input impedance 4 for the impedance of the mic that is connected into the MIC IN Most amateur radio mics are 600 ohms Adjusting the Audio Input Level using a Mic into the EQplus Connect your microphone into the Mic In rear connector T If you are using a W2IHY 8 Band EQ or other audio device into the EQ plus make sure the front pan...

Page 14: ...EQPlus Dual Band EQ Turn the Equalizer Switch 7 on Turning the Treble potentiometer 9 clockwise up will increase the amount of high frequencies present in the Audio Out 23 The detent midway through the rotation is 0dB gain point Turning the Bass potentiometer 8 clockwise will increase the amount of low frequencies present in the Audio Out 23 The detent midway through the rotation is the 0dB gain p...

Page 15: ... Expander Connect your stereo headsets into the rear panel 1 4 stereo Phones connector 24 Listen to audio from the EQplus while talking into the mic Adjust the front panel Monitor Level control 1 to a comfortable listening level When you are not talking listen in the headsets for background noise Turn the DE LEVEL Downward Expansion control 12 clockwise You should hear the background noise level r...

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

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: ...ic Connector Pin 6 Shield of Cable Shield of Cable Shield of Cable Shield of Cable 8 Pin Mic Connector Pin 2 8 Pin Mic Connector 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 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 ...

Page 20: ... Connector Pin 1 2 Pin Mic Connector Pin 1 2 Pin Mic Connector Pin 2 2 Pin Mic Connector Spring Case 4 Pin Mic Connector Pin 2 4 Pin Mic Connector Pin 1 4 Pin Mic Connector Pin 4 4 PIN TEN 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 ...

Page 21: ...R LOW Z Single channel Input to Computer Sound Card HI Z TRS BALANCED OUTPUT LOW Z LOW Z LOW Z HI Z LOW Z Audio Audio Audio Audio 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 ...