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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 26th Sep 2022, 4:08 pm   #1
Steve G4WCS
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Default Demand or otherwise for 1950’s vintage components

Ive started stripping the rack mounted plessey stuff.

There are some obviously useful bits that I will offer for sale.

But is there likely to be any demand for

If transformers

Rf type b9g untested valves

Tagstrips

Electrolytic caps for re stuffing or possibly re forming

Valve bases with shielding cans ?
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Old 26th Sep 2022, 4:13 pm   #2
Steve G4WCS
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Default Re: Demand or otherwise for 1950’s vintage components

Oh , and multi way paxolin wafer switches that look difficult to remove
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Old 26th Sep 2022, 4:35 pm   #3
Ed_Dinning
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Default Re: Demand or otherwise for 1950’s vintage components

Hi Steve, you could try the remnants an the B&B at Golbourne

Ed
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Old 26th Sep 2022, 4:55 pm   #4
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Default Re: Demand or otherwise for 1950’s vintage components

The tagstrips, though not the old resistors and capacitors on them, would be worth saving. They are the sort used in loads of equipment in the middle of the last century, I use similar ones mounted on short spacers to support modern capacitors when replacing the horrible bathtub capacitors in the likes of the AR88.

The IFTS could be worth keeping too, they will at least provide nice coil formers and tuning slugs.

I also spy a lot of nice preset airspaced variable capacitors.. Which are definitely worth saving!!!
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Old 26th Sep 2022, 5:17 pm   #5
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Default Re: Demand or otherwise for 1950’s vintage components

Also the b9a valve bases just snip the wires off and offer as is ,they will be high quality , Mick.
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Old 26th Sep 2022, 5:41 pm   #6
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Default Re: Demand or otherwise for 1950’s vintage components

I agree that there is likely to be a degree of interest in most of these things, but they won't make you rich, and you need to decide if you can be bothered to part out. Personally I find it very satisfying to part out scrap equipment, but maybe that's just me.
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Old 26th Sep 2022, 6:07 pm   #7
Steve G4WCS
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Default Re: Demand or otherwise for 1950’s vintage components

Ok thanks Ill see what I can salvage. I’m just going steady away at them when I have the odd spare hour. I hate to see anything scrapped particularly if it can have a new life.
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Old 26th Sep 2022, 6:16 pm   #8
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Default Re: Demand or otherwise for 1950’s vintage components

I agree that tagstrips and valveholders are normally easy to scavenge, and remain useful even for transistor projects.

Untested valve pulls from any source are rarely worth a great deal unless they're particularly desirable types, but lots of old test equipment is stuffed with ECC82s and ECC83s which certainly shouldn't be chucked in the bin. ECF80s are very common too.
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Old 26th Sep 2022, 6:20 pm   #9
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Default Re: Demand or otherwise for 1950’s vintage components

For sure those tag strips and B9a bases and certain valves would be snapped up by the DIY guitar amp fraternity. Do some googling and locate such groups and sites and offer your stuff there. Plus Ebay of course. Best of luck.
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Old 26th Sep 2022, 6:25 pm   #10
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Default Re: Demand or otherwise for 1950’s vintage components

As Paul says, no fortunes lurking amongst those parts but all are of interest to the vintage electronics fraternity and of decent quality. Judging by internet posts on schemes for making substitute IFTs from appropriately-spaced chokes, there's still significant demand for these components, I myself have used salvaged IFTs in several recent projects. Do you know what frequency the ones shown are for?

Colin
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Old 26th Sep 2022, 8:36 pm   #11
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Default Re: Demand or otherwise for 1950’s vintage components

Quote:
Originally Posted by turretslug View Post
As Paul says, no fortunes lurking amongst those parts but all are of interest to the vintage electronics fraternity and of decent quality. Judging by internet posts on schemes for making substitute IFTs from appropriately-spaced chokes, there's still significant demand for these components, I myself have used salvaged IFTs in several recent projects. Do you know what frequency the ones shown are for?

Colin
Hi Colin. The ones ive stripped so far are from an ovenised 455khz bfo so more than likely 455 khz.

The valves are various rf types but good quality mullard or brimar. I have shifted some 12at7 types on ebay, also some bulgin chicken head knobs.
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Old 26th Sep 2022, 11:28 pm   #12
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Default Re: Demand or otherwise for 1950’s vintage components

The variable capacitors should be of interest for radio amateurs.
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Old 27th Sep 2022, 10:09 am   #13
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Default Re: Demand or otherwise for 1950’s vintage components

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The variable capacitors should be of interest for radio amateurs.

Yes, those ranks of preset caps have a good shaft length and look like very nice Jackson types - about 100pF. Definitely high quality and no longer made.

-Jeremy
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Old 27th Sep 2022, 10:37 am   #14
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Default Re: Demand or otherwise for 1950’s vintage components

Quote:
Originally Posted by Pamphonica View Post
Quote:
Originally Posted by Maarten View Post
The variable capacitors should be of interest for radio amateurs.

Yes, those ranks of preset caps have a good shaft length and look like very nice Jackson types - about 100pF. Definitely high quality and no longer made.

-Jeremy
Have a look at https://www.mainline-group.com/colle...ckson-brothers .

They also manufacture the Jackson reduction drives. They grabbed what they could (drawings and some inventory) from a totally trashed Jackson factory, and hired some of the redundant old guys.

So if you want a 6:1 or a 6:1/36:1 dual ratio, these are the guys.

Craig
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Old 29th Sep 2022, 5:59 pm   #15
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Default Re: Demand or otherwise for 1950’s vintage components

Quote:
Originally Posted by paulsherwin View Post
I agree that tagstrips and valveholders are normally easy to scavenge, and remain useful even for transistor projects.

Untested valve pulls from any source are rarely worth a great deal unless they're particularly desirable types, but lots of old test equipment is stuffed with ECC82s and ECC83s which certainly shouldn't be chucked in the bin. ECF80s are very common too.
Please don't encourage people to scrap old test gear, it's part of our electronic history, the same as old radios.

David
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Old 29th Sep 2022, 7:05 pm   #16
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Default Re: Demand or otherwise for 1950’s vintage components

Quote:
Originally Posted by factory View Post
Quote:
Originally Posted by paulsherwin View Post
I agree that tagstrips and valveholders are normally easy to scavenge, and remain useful even for transistor projects.

Untested valve pulls from any source are rarely worth a great deal unless they're particularly desirable types, but lots of old test equipment is stuffed with ECC82s and ECC83s which certainly shouldn't be chucked in the bin. ECF80s are very common too.
Please don't encourage people to scrap old test gear, it's part of our electronic history, the same as old radios.

David
Very much agreed, I seem to currently be spending more & more time on resurrecting vintage test equipment.

David.
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Old 29th Sep 2022, 10:51 pm   #17
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Default Re: Demand or otherwise for 1950’s vintage components

Thread closed as the item is now for sale.

Cheers

Mike T
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