Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Mac Doktor
> On Apr 25, 2022, at 2:35 PM, Adrian Godwin wrote: > > I never saw one used as a tuning indicator though I messed with a lot of > discarded valve radios in my youth. But I do remember the magic eye on my > father's Telefunken tape recorder, used for the recording level. It was a > linear tub

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Nick Andrews
I'm really not at all familiar with them, but am interested to learn more. I do have an old Heathkit(?) cap tester that uses one of the end-on style tubes. I need to dig that out and see if it works. Have a small stash of IN-9 and IN-13 bought before prices became idiotic that I might use for a t

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Adrian Godwin
> > > On Monday, April 25, 2022 at 11:45:22 AM UTC-4 Robert G. Schaffrath wrote: > >> "Magic Eye" tubes are some of my earliest memories of interesting >> displays when I was a child. My maternal grandparents had a Dumont TV >> (didn't everyone LOL?) that used a 6AL7 eye tube for tuning the built i

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Paul Andrews
I'm just restoring an old radio that has one. I don't know if it works yet or if I'll need to find a replacement. This has been a goal for a while now - I've restored several old radios, this will be the first with a magic eye. I also built an AM broadcast unit that uses vacuum tubes and a magic

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Robert G. Schaffrath
"Magic Eye" tubes are some of my earliest memories of interesting displays when I was a child. My maternal grandparents had a Dumont TV (didn't everyone LOL?) that used a 6AL7 eye tube for tuning the built in AM receiver. My father had a Fisher AM/FM receiver (with add-on stereo MPX demodulator

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-25 Thread Dekatron42
You could mount the regulator & mosfet on the underside of the circuit board and perhaps get more space for a heat sink there. Just bend the legs upwards and use a spacer between the tab and the circuit board when screwing it in place so you don't stress the tab and bend it. /Martin On Monday,

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-24 Thread Aisha Love
Those magic eye tubes look really cool. Thanks for sharing. On Sunday, April 24, 2022 at 8:57:59 PM UTC-4 Terry Bowman wrote: > > On Apr 24, 2022, at 5:25 PM, Aisha Love wrote: > > My interest started with Nixie tubes and expanded from there. I hope to > one day have a large collection of uniqu

Re: [neonixie-l] Noon to be dekatron spinner owner

2022-04-24 Thread Mac Doktor
> On Apr 24, 2022, at 5:25 PM, Aisha Love wrote: > > My interest started with Nixie tubes and expanded from there. I hope to one > day have a large collection of unique vintage display devices. Magic eyes. Here are some really inexpensive boards that are a good starting point. They have a 12V