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Old 15th Mar 2019, 11:55 am   #1
thejazzageuk
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Default EKCO AD75 restore

Hi
I've just picked up a fairly poor condition example of these lovely radios. Unfortunately there is a crack on the top in the bakerlite and the chassis is very dirty and the knobs are missing.

I was just looking for advice regarding whether to just do a cosmetic restore or whether to try and get it working again. I saw an earlier post from JimMac53 who did a fantastic job restoring one of these, but not sure if I have the time of expertise for such a comprehensive restore. Here are some photos..
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Old 15th Mar 2019, 1:41 pm   #2
Cobaltblue
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Default Re: EKCO AD75 restore

The cosmetic restore is probably more work than getting it going

It looks like an early one with side contact valves.

The rectifier has been replaced as well with a resistor and metal rectifier.

I think the only thing that would concern me is are the coils OK.

Cheers

Mike T
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Old 17th Mar 2019, 1:07 pm   #3
thejazzageuk
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Default Re: EKCO AD75 restore

Thanks CobaltBlue. I've removed the chassis and dusted it off to get a better idea about the level of work required to get some function back. Here are some more pics...
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Old 17th Mar 2019, 2:56 pm   #4
JimMac53
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Default Re: EKCO AD75 restore

I agree with CobaltBlue, I'd first check if the coils, IF transformers, & output transformer are ok. Not that they can't be fixed, but life will be easier if they don't have to be. This is certainly a big job. This one is in worse condition than the one I restored. But I don't want to discourage you. Break it down into little jobs. Perhaps tackling the cosmetic jobs first - fixing the case and speaker grill cloth. I'm in favour of a full restore.
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Old 17th Mar 2019, 3:02 pm   #5
Lloyd 1985
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Default Re: EKCO AD75 restore

That looks a good project, I’ve got one of these myself. The crack should repair quite nicely, especially if it’s a clean break. I know I’ve said it many times before, but careful preparation of the joint to make sure the surfaces are level, followed by decent brand super glue, allowing it to overflow a bit, then careful sanding back with fine grade wet and dry, should make a near invisible repair, which can also be further strengthened with fibreglass on the inside of the cabinet. Brown Bakelite is one of the easiest to repair this way, as it already has patterns in the finish! The chassis looks in good order under the dirt, so won’t need much other than a clean. I recently restored the chassis of an Ekco RS3, which I thought was rusty, no amount of foam cleaner was making it look any better! Rust remover treatment didn’t shift all the ‘rust’ either, turned out it wasn’t rust, well, not all of it, some was just dirt and nicotine, I ended up using Gunk traffic film remover in a pump up spray bottle from RS, I used it neat, and it brought the chassis up like new, apart from the few rusty spots that were actual rust! It did a really good job on the aluminium cans that housed the RF could under chassis, obviously I removed all the wound components before cleaning.

Talking of round Ekco’s, there’s a brown AC76 sat in my roundtuit pile, with a cracked case and the bar that goes over the speaker missing!

Regards
Lloyd
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