What does the resistor change here do specifically? I tried this set of mods on a Turner +3 before and liked the change in tone.

Thinking about doing it on another +3 mic for a friend.

Thanks

Installed a 1/4" phono jack & did the wiring.

Just need to do the cap changes now.

Can I run the output of my rack gear straight into this without any kind of isolation?

http://www.cbtricks.com/mic_manuals/tur ... m-plus.pdf
Docs say the mic goes down to 300hz stock. I found a nice one so I'm going to check it out on a cap modded 29.

Easy enough! Thanks a lot, Goldfinger. I'm going to give it a try this weekend assuming on-call with work is quiet.

Will let you know how I make out.

GF -

How'd you modify your M+3 for wider audio?

Thanks!

Thanks GF!

I just came into possession of a like-new FS-2340. Clipper board isn't even bypassed yet.

479tx

Schematic: http://www.cbtricks.com/radios/sonar/fs ... 40_sch.jpg

GF,

Ever widened up a Sonar FS-2340?

Was thinking fatten up the caps inside and put rack gear into the mic jack? What do you think?

Thanks for the reply, 31.

I see a cap listed to decrease in value or remove for receive highs... but not for additional highs on TX?

This mod lists to caps for adding bass to the TX, but what about more highs?

Radio in question is a Galaxy 2547, but assume these instructions will be the same.

Thanks!

The Echomax 2000 ended up having enough gain when direct injected just before the audio chip on my Grant, it just didn't sound so great. I wonder now if the guy in DX land that told me that was the mic he was running was kidding now ... Either way, I have tried both rack gear and digital audio from ...

GoldFinger is the man, that is for sure. Post a gate of the direct injected 29 audio if you get a chance weak station, I'd love to hear it.

GF, Am I thinking about this right? I want to DI my Grant just before the audio chip and drive it with my Echomax 2000 via the standard microphone plug on the side. Would the following work? - Remove mic audio wire from stock mic jack on radio and replace it with a wire leading to a 10uf a 10UF cap ...

RPM sounds pretty good in that gate! I talked to a guy in DX land the other day that sounded really good and even with just a widened Cobra 29 receiver could tell he was running wider than stock. Turns out he was running a Galaxy radio, direct injected with an Echomax 2000. It wasn't super bassy but...

Great info, GF!

Thanks

I'm working on a China made side-mic Cobra 29 LTD Classic that was mfg. in 1995.

I can't seem to find c204 to remove for more highs on receive. I know some years don't have it but can anyone point me to the right place to look for it just to make sure?

Thanks!

Mine is similar but dang if that cap (or a marked place for it) doesn't exist.

There's a small surface mount part in that general area on the under side of the board but it looks like a resistor.

I'll see if I can get my bearings with the traces and that diagram and see if that could be it...

Thanks for the layout pic Goldfinger! My Made in China Mfgr'd in Feb 2014 Cobra 29 LTD classic does not appear to have this cap. It also appears that my board layout is different. The parts in the general area are in slightly different places on my radio. I see R105, R104, d22, c119, etc. Serial end...

In the stickied post about Cobra 29 cap changes, there is a link to an image that shows the Location of C170 on newer model 29. Unfortunately that image/link is gone now. Can anyone give me some direction on finding c170 in the new style 29 with the new audio chip? I've combed the thing, surely I'm ...

To those that are curious, You can (if you are careful, and have a steady hand) solder light weight poly or tant caps across the existing caps you're supposed to change (shorten the leads, and bend them like a U shape) with good results! I didn't feel comfortable removing the existing SMT components...

Thanks Goldfinger,

Going to get this mic back out and give it a shot!

Found it

The mods Goldfinger posted for the 2527 are the same for the Galaxy Saturn Turbo

http://www.wwpdx.com/ForumWWPDX/viewtop ... light=2527

Great info, Goldfinger!

I searched around but didn't find anything for this exact radio (Did find the direct inject mod, which I intend to try out!) to widen the RX.

My Galaxy Saturn Turbo is essentially the same thing as a RCI 2990.

Thanks!

I liked the results of this on my Turner +3

Thanks Goldfinger

I have my old school 148 w/ goldfinger's hifi tx mods and my turner +3 sounds pretty good, was thinking maybe I could change a cap or two in it for a little more low end.

Here's the schematic

http://www.radiomanual.info/schemi/ACC_ ... 3_user.pdf

Anyone know which caps to replace in a Turner +3 to widen the audio response up?

Hi GF, I came into possession of a very nice Turner Expander 500 with a tone control. People's complaint about this mic (although it has a very effective compressor) is that the tone control removes highs as you add lows. It's not really a tone control in the conventional sense. Do you know of any m...

Thank you GF!

Anyone know where to direct inject a magnum raptor II?

From the service manual:



So if the above means what I think it means (that no filter is in place during AM TX) then just a few caps (perhaps the ones you suggested) plus removing the "mic tone" pot on the back of the radio would really open it up?