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FT-840 Modifications

 
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sh450
Audio Head


Joined: 08 Jan 2010
Posts: 8
Location: NE Indiana

PostPosted: Fri Jan 08, 2010 9:44 pm    Post subject: FT-840 mods? Reply with quote

This is my first post on the forum, so I will start by saying hello to everyone. I've been doing a lot of reading here but just now getting around to posting. I saw mention of the Yaesu FT-840 here, and I would like to find out what mods can be done to open up the audio. And where it will end up on Tx/Rx. Thanks in advance for any info you can share on this radio.
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!KANT
Voodoo Audio Crew Moderator


Joined: 09 Mar 2005
Posts: 401

PostPosted: Mon Jan 11, 2010 11:20 pm    Post subject: Reply with quote

Hi and gratz on your first post!!

You may have seen the FT-840 mentioned in a recent post. I was mentioning John (WO2D) and his modified '840. I have a few over the air recordings of him on that 840 and I will tell you, they do so much justice to show that with time, patience, dedication and know-how the FT-840 can be mind blowing. 

Of course there were component and filter changes and the BM was fed directly. He even made changes for the receiver. If you would like I can forward an archived recording to ya. Not sure if John is still active, but it may not hurt to find out and get some info on these mods (if he still kept notes on them).  
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Voodoo Guru
VooDoo Site Admin


Joined: 23 Feb 2005
Posts: 717
Location: Down there on the right...

PostPosted: Tue Jan 12, 2010 4:04 am    Post subject: Reply with quote

Thanks for the Info !kant.

As far as we know sh450, that would be your best bet as we have not seen any other source for mod data on the FT-840.

Take Care,
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sh450
Audio Head


Joined: 08 Jan 2010
Posts: 8
Location: NE Indiana

PostPosted: Tue Jan 12, 2010 1:11 pm    Post subject: FT-840 Reply with quote

Thanks for the welcome, and the responses.

I would like to here that 840 in action if you don't mind. I'll PM my e-mail to you !KANT.

I've already learned a s-load from stumbling across these VooDoo pages and the links to and from them. It definitely gives you something to do during the cold, boring winter.

Catch ya later!
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!KANT
Voodoo Audio Crew Moderator


Joined: 09 Mar 2005
Posts: 401

PostPosted: Fri Jan 15, 2010 10:16 am    Post subject: Reply with quote

4 Minute file of John has been forwarded... Wink
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sh450
Audio Head


Joined: 08 Jan 2010
Posts: 8
Location: NE Indiana

PostPosted: Sat Jan 16, 2010 5:05 pm    Post subject: FT-840 Reply with quote

Thanks for the clip. That is some surprisingly good audio out of that little Yaesu. Very natural and unforced. I'm sure the list of mods would go beyond what I'd want to deal with on one of those. Very cool though.
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kd2nfc
Audio Head


Joined: 28 Jan 2018
Posts: 2

PostPosted: Sun Jan 28, 2018 5:41 pm    Post subject: Reply with quote

would like to bring this post back to life. is there a modification somewhere for 6khz ssb on the the ft-840?
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PD9CN
Voodoo Audio Head


Joined: 13 Nov 2014
Posts: 42
Location: The Nethertlands

PostPosted: Mon Mar 05, 2018 1:43 pm    Post subject: Reply with quote

+ One more!

I like also to have some more information about this FT-870 6Khz modification!
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