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Best mike for an IC-746-pro | QRZ Forums
https://forums.qrz.com/index.php?threads/best-mike-for-an-ic-746-pro.231064/
The SM-20 is the best mic for that radio, it was designed for it. KA4DPO, ... Regarding audio settings: the IC-746PRO has a lot of built-in settings for audio tailoring; in fact, more than most radios, I think. Go ahead & play with outboard audio equipment if you like (and if you can afford it), but I'd bet you won't get any improvement worth ...
Manual Icom IC-746PRO (page 1 of 116) (English)
https://www.libble.eu/icom-ic-746pro/online-manual-8928/
1. Setting up your transmit audio The 32-bit DSP in your IC-746PRO is capable of allowing you to selects transmit audio for phone modes. 2. Mic Gain The microphone gain is used for proper transmit audio level for full output power. IX ∂TX RIT/∂TX MIC [MIC GAIN]: Max. CCW [RF PWR]: Max. CCW M-CL M-CH NB VOX/BK-IN MONITOR CALL [KEY SPEED]: Max. CCW LOCK/ SPCH …
Icom IC-746 Pro
https://www.qsl.net/bg7nr/radio/icom/IC-746Pro/IC-746Pro.htm
SP-20: External Speaker with 4 audio filters, headphone jack and input for two transceivers. 8 Ohms. #1473: SP-21: External Speaker (style and size matches 746Pro). #2470: SM- 6: Desk microphone with flexible neck. #2561: SM-20: Desk Mic with Up-Down Buttons. #3437: UT-102: Voice Synthesizer announces frequency and mode.
Icom IC-746 Pro Amateur Transceiver IC746 pro
https://www.universal-radio.com/catalog/hamhf/0074.html
Includes audio cable. Discontinued : SP-21: External Speaker (style and size matches 746Pro). Discontinued : SP-23: External Speaker with dual inputs, audio filtration, speaker switch and headphone jack. Click here for details. Not in stock : SM- 6: Desk microphone with flexible neck. Click here for further info. Discontinued : SM-20: Desk Mic ...
Icom SM-20, Icom SM20 Desk Microphone
http://www.universal-radio.com/catalog/mics/2561.html
This mic is powered from the Icom transceiver. The mic cables terminate to a standard Icom 8 pin mic plug. This mic works with the 718, 746, 746Pro, 756, 756 Pro, 756ProII, 756ProIII, 775, 781, 820, 821, 910H and 920. The SM-20 can also be used with the 706 series with the addition of the optional OPC-589 mic adapter cable.
May 2002 QST Product Review and Short Takes
https://www.centralmiarc.com/docs/Reviews/746pro.pdf
The ’746PRO incorporates several niceties we soon won’t be able to live without. These include enhanced trans-mit-audio tailoring, a receive audio “equalizer” (of sorts), an adjustable noise blanker, an SWR plotter and “sharp” and “soft” filter shaping—something we first saw on the ’756PROII—plus excellent
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