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Author Topic: Any market for R390A/URR?  (Read 6421 times)
N3DT
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Posts: 514




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« on: January 12, 2013, 05:30:30 PM »

I have a couple of them.  They work, but need some detailing, which I am doing, but wonder if there is any market for these BAs any more?  I've replaced the caps and tubes, but I don't figure it's worth much more than that.  I really have no use for them except to play with them.  I've gotten the mechanical dial pretty smooth now.

They're fun to play with, but not much use. really.  I've seen the SDR for the IF, but that doesn't do much for me either.

If anyone knows where to get little parts cheap, I'd be interested, like the top panels, little parts like the inter-board connectors.  They're not in bad shape, just some of the typical gov't mods.  The meters actually work on one of them.
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KE5YTV
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Posts: 5




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« Reply #1 on: January 13, 2013, 02:58:40 AM »

I have just finished my first one. I enjoyed the project and will probably buy another.  Grin

Mike
KE5YTV
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KD8IIC
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Posts: 152




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« Reply #2 on: January 13, 2013, 03:12:57 PM »

Fair Radio in Lima Ohio has some parts.
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K1ZJH
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Posts: 949




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« Reply #3 on: January 13, 2013, 03:15:27 PM »

Wish I bought one when they were cheap.

Pete
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AD4U
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Posts: 2157




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« Reply #4 on: January 13, 2013, 03:31:45 PM »

At age 64 and with almost 50 years of hamming behind me, that is the last boat anchor I want to add to my collection.  I have never even used one, but want to try.

Dick  AD4U
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KE5YTV
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Posts: 5




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« Reply #5 on: January 13, 2013, 04:33:30 PM »

Dick,

My 390a is clean as a pin. It is a Collins that went through a military depot refurbishment in 1986. I bought it off of Craigslist from a ham about 10 miles from my house. The problem it had was a bad cap in the IF module causing it to blow the B+ fuse. That was all it needed. I gave the fellow his asking price, $200.  Wink The deals are still out there to be had. I never thought that I would be able to afford one. Just keep watching.

73,
Mike
KE5YTV
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KC4MOP
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Posts: 731




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« Reply #6 on: January 14, 2013, 03:21:51 AM »

At age 64 and with almost 50 years of hamming behind me, that is the last boat anchor I want to add to my collection.  I have never even used one, but want to try.

Dick  AD4U

I don't blame you! I have one and it's nice for casual listening and AM QSO's when the bands are not full of tuner-uppers and SSB stations 1kc away from an AM QSO. The 390A is part of the Collins legacy. Still alive and working after 50 years and very mechanical. No complicated electronics...just complicated gears and cams
Fred
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KB2FCV
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Posts: 1160


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« Reply #7 on: January 14, 2013, 10:22:15 AM »

I'd love to add one someday into the collection. One of these days I'll pick one up.
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IW5CI
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Posts: 34




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« Reply #8 on: January 23, 2013, 05:34:11 AM »

I love it. I use it almost every day.

http://www.youtube.com/watch?v=DpGajyWZ_vU

you can even modernize it with new earing techniques Smiley

http://www.youtube.com/watch?v=dISFHDISzPw
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KD8IIC
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Posts: 152




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« Reply #9 on: January 24, 2013, 08:44:28 AM »

 My 390A is currently with Rick Mish aka Miltronix getting a tune up. He's also doing front panel letter ingraving and refinish in semi-gloss black. I used it daily and now I miss it. Great CW, RTTY and Digital reciver. Life's too short not to have one. 73 de n8aft sk.
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KC4MOP
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Posts: 731




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« Reply #10 on: January 26, 2013, 05:11:21 PM »

I love it. I use it almost every day.

http://www.youtube.com/watch?v=DpGajyWZ_vU

you can even modernize it with new earing techniques Smiley

http://www.youtube.com/watch?v=dISFHDISzPw


The SoftRock SDR and FlexRadio software made my R390A really shine with a lot of modern bells and whistles. Really neat stuff. I never heard DRM radio reception until I see your YouTube.

Fred
« Last Edit: January 26, 2013, 05:14:32 PM by KC4MOP » Logged
N3DT
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Posts: 514




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« Reply #11 on: January 26, 2013, 07:17:01 PM »

So where is the 455 to 12 converter?
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KC4MOP
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Posts: 731




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« Reply #12 on: January 27, 2013, 04:18:10 AM »

So where is the 455 to 12 converter?

It connects to the 455 out port on the back of the R390A. Amazing way to modernize a 50 yr old radio!!
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N3DT
Member

Posts: 514




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« Reply #13 on: January 27, 2013, 08:33:48 AM »

I kind of figured it'd be on the output of the IF strip, but where is the plan for it, like a schematic or something?  I hate re-inventing things if it's already done.
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AC5UP
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Posts: 3834




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« Reply #14 on: January 27, 2013, 08:43:26 AM »

Mr. Google knows....................  http://users.belgacom.net/hamradio/schemas/DRM_455kHz_to_LF_Converter_FRG-100.htm
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