rfx-75

Tell us what you're doing from day to day. Post your daily notes here about any radio projects that you are working on.
Post Reply
User avatar
Sambo747
4 PILL USER
4 PILL USER
Posts: 34
Joined: January 15th, 2011, 10:07 am
Real Name: Brad Ashby
Antenna: A99
Radio: cobra 29's and cam89

rfx-75

#305736

Post by Sambo747 »

I took a drive to my favorite radio shop on saturday to get a rfx75 unit put on my black chrome 29. And man what a radio I have now. 120 watts coming out of it with a 8 watt dead key. tons of audio and on a station about 30 miles away Im still putting 9 pounds on him lol. Im very satisfied with this radio as a barefoot radio the sheer performance of this radio is amazing. deff going to be putting one of these on my 148 gtl! :cheers:
mat_me
6 PILL USER
6 PILL USER
Posts: 96
Joined: June 22nd, 2010, 3:03 pm
Real Name: Mat
Antenna: mag mount wilson 100
Radio: Stryker 440
Contact:

Re: rfx-75

#305765

Post by mat_me »

That sounds impressive for a RFX 75. This seems to be a point of conflict. Another person on this forum said he had between 120 and 140 watts and was told you can only get 100 watts out of an RFX 175! No matter what the watts to put that many pound over the distance is impressive. Do you know how many volts you are pushing through it? Either way many people love the RFX 75 mod. Sweet unit. Congrats. :r&r:
Stryker 440, Cobra 29 LTD ST, Cobra 29 LTD Harley Davidson, Cobra 29 LTD (side mic) , Cobra 148 GTL, Uniden Grant XL, Uniden PC66XL, Lil Will, K40, Wilson 1000 White
User avatar
Sambo747
4 PILL USER
4 PILL USER
Posts: 34
Joined: January 15th, 2011, 10:07 am
Real Name: Brad Ashby
Antenna: A99
Radio: cobra 29's and cam89

Re: rfx-75

#305810

Post by Sambo747 »

Oh yeah its a big brewing conflict. But this radio is doing a great job with this unit I would recommend it to anyone who is into cb's. But alot of people say its giving them 150 watts and some say they only got 80 watts lol. But I didnt let that get me down. But this radio is serviced by a 35 year radio expert who knows what he is doing and knows how to properly set up a radio. She is peaked and tweaked and clipped and chipped!! 120 watts is all Im gonna get. The limiter has been taken out and it has a swing kit and it just flat out peforms. Im running it on a 14kx pyramid ps.
User avatar
Radio Pig
Donor
Donor
Posts: 101
Joined: January 23rd, 2011, 1:03 am
Real Name: John
Antenna: Pigs Tail
Radio: Galaxy DX-959

Re: rfx-75

#307055

Post by Radio Pig »

That sounds great. I just purchased a RFX-75 for my Galaxy DX-959. Got on Ebay, new for $32.50. Now after reading your post, I am looking forward to getting it and installing it to see what kind of difference it makes. After i do get it installed, I will let you know how it is doing on my radio. :mrgreen:
User avatar
hilltop 439
Skipshooter
Skipshooter
Posts: 452
Joined: November 7th, 2010, 1:07 pm
Real Name: JOSHUA
Antenna: I MAX 2000/Maco103c
Radio: RCI2980WX/Galaxy98v
Contact:

Re: rfx-75

#307129

Post by hilltop 439 »

That is a lot of watts for two finals to produce i have to wonder how long it can last . Have you tried putting you hand on it after you've talked on it for a while ? I have one on a Galaxy DX 959 and it gets hotter the a firecracker and it only produces 70 to 80 watts . A small fan i swiped from an old computer seemed to help a bit but it still gets quite warm. Maybe it's just the difference between the two radios one likes it better than the other.
... THE ONLY WAY TO DISCOVER THE LIMITS OF THE POSSIBLE IS TO GO BEYOND THEM INTO THE IMPOSSIBLE ...
User avatar
Hondarider
Skipshooter
Skipshooter
Posts: 360
Joined: January 14th, 2011, 6:57 pm
Handle: Nick
Real Name: Nick
Antenna: A99
Radio: Cobra 29, Royce 632
Contact:

Re: rfx-75

#308798

Post by Hondarider »

Thats really awsome. Can't wait to pick one up myself. Was it a difficult install? Or did you have the cb shop do it for you?
Have a good one.
Hondarider
User avatar
preacherman
Donor
Donor
Posts: 1,306
Joined: February 9th, 2007, 8:13 pm
Handle: Preacherman
Real Name: Bob
Call Sign: K0EIR
Radio: Cobra 29, Lincoln, Magnum
Contact:

Re: rfx-75

#308831

Post by preacherman »

IMO...the RFX works best on the Cobra 29 chassis. I've put them on 959's
and haven't seen over 90w...and often less. They don't respond as well
on sideband or export radios as they do on the 29. If set up right,
they sound great and yes, they will get hot if you are dead keying
10-15w and are long winded. More heat sink would help a bit there.
Preacherman
Modifying Cobra 29's is my hobby.
User avatar
Radio Pig
Donor
Donor
Posts: 101
Joined: January 23rd, 2011, 1:03 am
Real Name: John
Antenna: Pigs Tail
Radio: Galaxy DX-959

Re: rfx-75

#308877

Post by Radio Pig »

Ye-Ha, My galaxy 959 is in the shop this week having the RFX-75 installed. :cheers:
When I get it back this week, I will post how it turned out and just how many watts are cranking out of it. I have already built a special radio mount that I built with a built in computer fan to help keep the rfx-75 a little cooler. I should have it back by thursday or friday. Really looking forward to it. :bounce:
User avatar
liquidh8
Duckplucker
Duckplucker
Posts: 147
Joined: July 28th, 2011, 4:26 pm
Real Name: Flex
Antenna: Imax 2000
Radio: Cobra 148GTL
Contact:

Re: rfx-75

#325124

Post by liquidh8 »

I have seen them online with a cooling fans to help out. A buddy has got one on order, back-order that is, so we can toss it in his cobra 25 he is using as a base. For 39.95 for the part, a few hours of soldering, getting anything north of 50 watts is worth it IMO, versus building a 1 or 2 pill, considering 1 pill costs 39 bucks from RF parts.
FLEX 231 Southeastern PA Usually 27.385 LSB, 27.425 LSB, or whatever else I can talk on.
Radios: 858 Washington, 8719 Washington, Galaxy Saturn, HR2510's, TS-5010, 148GTL.
Amps: KLV1000, Eagle 515, KLV550, Palomar 225.
Antennas: Imax 2000, Wilson 5000.
Mics: Homebrew amplified Compressor, D104M6B's with tone mod.
Post Reply