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 CRT Xenon and other tiny rigs - fan modification

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Tiberius
New Member
New Member
Tiberius


Call Sign : 26-CT-3678
Posts : 6
Times Thanked : 0
Join date : 2020-06-18
QTH or Location : Petworth, West Sussex
Equipment Used : Magnum S980Nitro, Yaesu FT-710, CRT Xenon, Audioline 340, Quansheng UV-K6, Baofeng UV-82x3, Antenna = 20M long wire (with 1:49 UnUn,) good old fashioned silver rod, home made PMR antennas, tank whips etc.

CRT Xenon and other tiny rigs - fan modification Empty
PostSubject: CRT Xenon and other tiny rigs - fan modification   CRT Xenon and other tiny rigs - fan modification Icon_minitimeSat Aug 31, 2024 8:58 pm

Hi all, 

I love the CRT Xenon tiny rig. It just fits anywhere and sounds really good for such a small rig/speaker.

After doing the export mod, 20 odd watts heat it up pretty quickly.

I was just looking up some 3D print files for something else and stumbled across a fan mount for it.
Using an 80mm fan should extend the life of the output transistors forever.

This fan mount will fit:-
CRT Xenon
Albrecht AE6390
Anytone Hera
Retevis RA25
CRT Electro UV
Anytone AT-779UV

& probably a few more rigs.


CRT Xenon and other tiny rigs - fan modification Screen10


If you want to 3D print one, the web page is this... https://www.thingiverse.com/thing:6402462


When I get around to printing it, I'll post the results.

73s

Razz229, Victor and SangueG like this post

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Victor
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CT Directors
Victor


Call Sign : 26-CT-3228 / M7VIC
Posts : 6136
Times Thanked : 375
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

CRT Xenon and other tiny rigs - fan modification Empty
PostSubject: Re: CRT Xenon and other tiny rigs - fan modification   CRT Xenon and other tiny rigs - fan modification Icon_minitimeSun Sep 01, 2024 5:02 am

Hi Dave,

Looks like interesting stuff. CRT Xenon and other tiny rigs - fan modification 1f44d 

I wish you well with it all.


73,
Victor
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https://www.qrz.com/db/M7VIC
MichaelaInCzechRepublic
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MichaelaInCzechRepublic


Call Sign : 329-CT-007 G7SWR
Posts : 58
Times Thanked : 0
Join date : 2022-09-02
QTH or Location : Prague.
Equipment Used : Stalker 9FDX, York JCB863 ADI AT-200
Age : 55

CRT Xenon and other tiny rigs - fan modification Empty
PostSubject: Re: CRT Xenon and other tiny rigs - fan modification   CRT Xenon and other tiny rigs - fan modification Icon_minitimeSun Sep 08, 2024 10:28 am

I recently purchased a CRT One V (did not expect the V version but all good) 

It has to my surprise an internal speaker not a speaker mic. 

Main reasons for the purchase
1) i have never bought a brand new CB
2) price was too good to not do so
3) being in CZ with a York JCB 863 and ST9 DX i was missing half the band in use here
4) it does seem to be more than just a multinorm

I am now going through the mental process of do i do the high power mod, do i do the wide band mod? 

Apparently these lose the uk band but it will be a very rare day that i would have more than a whelks chance in a supernova to get dx of that distance with it. 

My current thoughts are first i need to plead with the residents committee to get permission to put an antenna on the roof of the flats, something low ish cost robust and half wave i think. i think it is possible with some buttering up.

Current set up is till a mag mount on a window ledge, metal and swr is kind of ok, picking up some chatter and a repeater input on Chanell 69 output on 78, i know odd right? but also even if it was in range not ctss on the radio.

anyone have any experience of the high power mod on the CRT One V does it cook the final quickly or does it run ok as long as you dont make long overs? it seems simple enoigh just a tiny bit of soldering once it is opened, so also ill need to buy the right kind of screwdriver bits to open it as it has fancy new fangled modern three lobed things 

(note not been on her much due to personal journey that i was not expecting taking a lot of brain power time and research)
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PostSubject: Re: CRT Xenon and other tiny rigs - fan modification   CRT Xenon and other tiny rigs - fan modification Icon_minitime

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