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 Post subject: HP 608F-what is a good offer for one in unknown condition?
PostPosted: Nov Tue 12, 2019 5:40 am 
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Location: Glendale, AZ, USA
I really don't need it, but I like how it looks. And I am sure I can use it at some point. :lol:
It's in Tucson, and we are going there Saturday anyway.

Seller wants offers, one of those " if you are looking at this you know what it's worth" things. Well, I don't know. :oops:
Maybe a range from parts to good working condition?

Thanks,
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Tue 12, 2019 6:13 am 
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Saw a couple on Epay $150-$450.

You know that it weighs over 60 pounds and will take up a lot of realestate on the bench.

They are cool looking!

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Tue 12, 2019 6:28 am 
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Joined: Aug Sat 19, 2017 6:55 am
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Location: Glendale, AZ, USA
Thanks.
I found one on eBay for parts for about $100 plus shipping.
Probably not a good idea to offer $40 like I was going to.
Finding a place for it right now would be difficult anyway.
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Tue 12, 2019 6:47 am 
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Greetings to Russ and the Forum:

I gave mine away.... but I was getting ready to move and didn't have shipping space for it.

Go ahead and offer them $40.... all they can say is no.... BTW, I also gave away the tuning stabilizer gadget (don't remember the HP number now) with the 608F.

Regards,

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 11:42 am 
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I agree with Jim, 40 bucks is a fair price today, they are mighty big generators, and only go down to ten megacycles.

They Were Great generators in their day, and I had one for 5 years or so back in the early 60s. If VHF/UHF is of interest to you it would be a good basic generator but you'd need a counter to get "on frequency".

If your interest is primarily HF, I'd recommend you get an HP-606.

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 12:45 pm 
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"If you know what it is, you know what it's worth." Okay, I'll bite. I got rid of a couple of them a few years ago and best offer at swap meets was $25.00 And that was with manuals! Aside from size and weight, the big limitation is that these are AM and CW modulation only. No FM or sweep, which puts them out of the running for many of the things you'd want a VHF generator for today. Also, they used sealed meters which may have been fine 50 years ago but are often bad or erratic today.

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 4:34 pm 
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Location: Morristown, N.J.
No way would I touch any 608 model without knowing that both the oscillator and RF amplifier tubes were OK. They could cost hundreds of dollars each to replace. Then there's the practical use; the lowest frequency output is 10 MC. If you are working on broadcast radios, a 608 is useless. My recommendation is to wait for a 606 to show up, preferably a 606B. The 606A has the probability of needing not only the RF tubes, but the series regulator tubes also. If you can afford one, an 8640B is a great generator to have; with a simple resetting of the frequency stops, you can take it down to 455KC.

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 6:04 pm 
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Joined: Jan Tue 10, 2012 8:39 am
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I love my 8657B. It's accurate, stable, and does nearly everything. I can even make it sweep with external FM mod from a sawtooth or triangle, if I don't need really wide sweep. Mine has problems with output greater than a few hundred millivolts but that's not a major limitation. Covers from top of the audio range to over 2 GHz. Amplitude calibration better than 1 dB.

I think you can buy one for not that much. I have the pulse modulation and oven oscillator options.


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 9:09 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Monterey California USA
Me too. Last year I paid $ 100 for an 8657B at a local flea market in as-new condition, and it works that way too.

That makes a 50 year old 608F worth little. I think that seller needs calibration more than his offerings do. East Coast prices seem higher, I don't know why.

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 9:49 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Seattle WA US
The important thing is what a 608 can't do for a hobbyist. Its frequency range is 10 to ~ 400 MHz. If you need a generator that provides frequencies below 10 MHz, look for a 606 !


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 10:37 pm 
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Joined: Jan Tue 10, 2012 8:39 am
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Measurements 65-B
General Radio 1000
AN/URM-25D

All fine instruments. No FM, otherwise great for HF.


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 10:39 pm 
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K7MCG wrote:
The important thing is what a 608 can't do for a hobbyist. Its frequency range is 10 to ~ 400 MHz. If you need a generator that provides frequencies below 10 MHz, look for a 606 !

The well-equipped boatanchor lab has both! :lol:

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 10:40 pm 
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Actually, all of them except for the HP offer free incidental FM. Very usable for narrow band work.


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Wed 13, 2019 11:56 pm 
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Joined: Aug Sat 19, 2017 6:55 am
Posts: 165
Location: Glendale, AZ, USA
stevebyan wrote:
K7MCG wrote:
The important thing is what a 608 can't do for a hobbyist. Its frequency range is 10 to ~ 400 MHz. If you need a generator that provides frequencies below 10 MHz, look for a 606 !

The well-equipped boatanchor lab has both! :lol:

:oops: :lol:
See, this is me. Like I said in the OP, I may not need it, but I like it. Just for looks if nothing else.
I think I will offer him $40. I don't want it for anything higher.
Thanks,
Russ

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Unless other wise noted, I am only interested in the electronics, not what it looks like. Thanks.


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Thu 14, 2019 6:25 am 
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Joined: Aug Sat 19, 2017 6:55 am
Posts: 165
Location: Glendale, AZ, USA
Texted the $40 offer, text was what seller wanted, several hours later no reply.
I'm thinking on some forum somewhere there is a complaint about crazy CL people. :lol:

I'll give him til Saturday morning before totally giving up.

Thanks,
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Fri 15, 2019 4:25 am 
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Joined: Aug Sat 19, 2017 6:55 am
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Location: Glendale, AZ, USA
Update.
Seller came back with $60. I accepted, but he may not be able to do it Saturday, if not I will have to pass. Will find out tomorrow.
There's a couple of swap meets coming up locally anyway.
Thanks,
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Thu 28, 2019 5:12 am 
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Joined: Aug Sat 19, 2017 6:55 am
Posts: 165
Location: Glendale, AZ, USA
I did buy it for $60.
Unfortunately it went directly to my storage unit for now. Didn't even get to open it up.
One of these days I will get back to it. And radio in general. :cry:
There's a couple of swap meets weekend after this I hope to be able to get to. Will see if anyone has a 606 or anything else fun. :D

Thanks,
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Thu 28, 2019 5:42 pm 
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Location: Hutchinson,Kansas
russosborne wrote:
I did buy it for $60.
Unfortunately it went directly to my storage unit for now. Didn't even get to open it up.
One of these days I will get back to it. And radio in general. :cry:
There's a couple of swap meets weekend after this I hope to be able to get to. Will see if anyone has a 606 or anything else fun. :D

Thanks,
Russ



Good for you! As others have said they are big old and have limited use nowadays but they are cool old units and if you have fun with it so what!

Here is my B and C

Image
Image


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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Nov Fri 29, 2019 1:41 am 
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Joined: Aug Sat 19, 2017 6:55 am
Posts: 165
Location: Glendale, AZ, USA
Thanks!
You get my feelings on this.
Now, if it was much more I wouldn't have gotten it, but it was in my comfort zone for old neat test equipment, even if I don't have a use for it at the moment.
Russ

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 Post subject: Re: HP 608F-what is a good offer for one in unknown conditio
PostPosted: Dec Sun 01, 2019 4:00 pm 
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I had a NOS military version of that generator. It had excessive leakage, and. drifted like the Kon-TiKi raft in a typhon... never mind that it started coverage at 10-MHz. I'd like to think it has been re-purposed as a reef for some poor fish off Florida. Now, the HP-606 is something I'd be drawn too--because it works.

By the way, if you need to FM it, just yell into a vent hole. It will work.

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