EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

mike hadley
  • Hitchin
  • United Kingdom
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mike hadley's Discussions

homemade parts escutcheons bezels etc

Started this discussion. Last reply by Norman S Braithwaite Sep 22. 15 Replies

Inspired by a recent post from Dave Poland, I thought that I would show a method of reproducing dial escutcheons etc, first is epoxy and the second from a process I used to mess around with as a kid,…Continue

dogbone resistors part 2

Started this discussion. Last reply by Jon Ketron Jul 2. 1 Reply

I was just going through some old photographs of the restoration of my allwave fifteen, I decided to update the post I placed a while back about dogbone resistors,so here is the process, I don't…Continue

Old tube boxes

Started this discussion. Last reply by Joseph W Strickland May 26. 11 Replies

Hi,Can anyone supply me with some scans of old tube boxes, I would like to reproduce the artwork and make boxes for storing spare tubes in, they would look better than plain white ones as supplied…Continue

allwave fifteen amplifier schematic

Started this discussion. Last reply by David C. Poland May 4. 7 Replies

I have been redrawing the allwave fifteen amplifier to include the jack socket part No.15 in the parts list.as my aw15 does not have the hi-lo switch part No. 17, can anyone please tell me where this…Continue

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Latest Activity

mike hadley replied to Troy Taylor's discussion Just acquired first EH Scott radio, an Allwave 12, and have some questions.
"Troy; Polypropylene motor run caps are very good for filter caps, the DC rating is at least one and a half times the ac rating marked on the cap body. Unlike ordinary electrolytics the caps have a very long life. Don't use motor start caps as…"
15 hours ago
mike hadley replied to Troy Taylor's discussion Just acquired first EH Scott radio, an Allwave 12, and have some questions.
"Troy; there is a solution to the missing cap in your power supply, my aw15 had the very same caps broken off at the mount, i made a post a while back look for "screw mount caps" in the forum search. mike"
19 hours ago
Daniel Wahl liked mike hadley's discussion homemade parts escutcheons bezels etc
Nov 10
mike hadley replied to Mark Kaplan's discussion Need help...Scott Allwave 12 manual and schematic
"Mark; I have been thinking about your problem and maybe stating the obvious, to check cathode bypass caps and resistors on the output stage, but It looks like you have already done this, On the restoration of my aw15 I had a peculiar fault that on…"
Nov 5
mike hadley replied to Mark Kaplan's discussion Need help...Scott Allwave 12 manual and schematic
"Mark, A quick tip, hen you desolder the lug nearest the red dot, melt the solder with your iron tip, poke the tip onto the eyelet, then flick the molten solder into some old newspaper, being careful not to burn yourself in the process, this works…"
Nov 2
mike hadley replied to Mark Kaplan's discussion Need help...Scott Allwave 12 manual and schematic
"Mark; It takes a few minutes work with a hot iron and some soderwick to get the back off, be careful poking around as the wires from the inductor are quite fine, the pitch is easy to remove as the bathtubs are lined with wax paper before the…"
Nov 2
mike hadley replied to Mark Kaplan's discussion Need help...Scott Allwave 12 manual and schematic
"Mark; The bathtubs you mention are similar to those used in the allwave fifteen, during the recent refurb of my fifteen I removed the bathtubs and restuffed, I have attached a photo of the internals, coil to the right and cap to the left, the red…"
Nov 2
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon; If you put the value of the volume pot and the coupling cap into an online calculator it gives roll off at roughly 125hz, if you then multiply the cap value by 10 this gives 12.5 hz, maybe a little excessive, I think that 0.025uf is the way to…"
Oct 23
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon: Just had a look at the under chassis of my aw-15, the cap in this position is 0.05 mfd. Mike"
Oct 18
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
Oct 18
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"My allwave fifteen has no felt pads, looking at the restoration photographs, there is no sign of any pre drilled holes either."
Oct 18
mike hadley replied to Joseph W Strickland's discussion Phishing Attempt?
"Joe; Thanks for this, exactly the same message here, Mike"
Oct 14
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon; Interesting to note that the bathtub filter to the right of the power umbilical (next to the antenna switch) only has the capacitor side connected and not the inductor, so this can't be wired as a filter, it will be interesting to see how…"
Oct 13
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon; Once the chassis is opened, are you going to re-cap the chassis, if so are you going to stuff the bathtubs? Mike"
Oct 3
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon, I'm very envious of the chrome, looks to be in perfect condition. Mike,"
Oct 2
mike hadley replied to Jon Ketron's discussion Allwave 15 in Tasman Cabinet Electrical Restoration
"Jon, I'm very envious of the chrome, looks to be in perfect condition. Mike"
Oct 2

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