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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 25th May 2008, 6:53 pm   #1
steviewigan
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Default Fuse style bulb

Hello,
I'm fixing my dad's quad rotel receiver and all the scale illuminating bulbs have blown. They're about the size of a 32mm fuse, I remember a few years ago you could get 32mm bulbs but can't find them anymore. Does anyone have a source for them? Or what the proper name for them is? Festoon bulbs seem to big..

Cheers
Stevie
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Old 25th May 2008, 7:28 pm   #2
mastermanx2001
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Default Re: Fuse style bulb

I know the things, I wonder if Christmas tree lamps could be used instead, depends on the voltage.

Some years ago I used them with success in a tuner amp, cant remember which.
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Old 25th May 2008, 8:32 pm   #3
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Default Re: Fuse style bulb

Try Cricklewood.

http://www.cricklewoodelectronics.co...55d4124c7188f6
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Old 25th May 2008, 9:05 pm   #4
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Default Re: Fuse style bulb

They are called 'Festoon Bulbs'

Kind Regards

Dr. Dave
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Old 25th May 2008, 9:12 pm   #5
steviewigan
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Default Re: Fuse style bulb

that's them cheers absolute winner!
Stevie
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Old 29th May 2008, 2:11 pm   #6
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Default Re: Fuse style bulb

I seem to remeber SEME does them in useful voltages
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Old 29th May 2008, 3:20 pm   #7
Station X
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Default Re: Fuse style bulb

Halfords and other car accessory shops stock festoon bulbs.
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Old 29th May 2008, 3:29 pm   #8
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Default Re: Fuse style bulb

Quote:
Originally Posted by Station X View Post
Halfords and other car accessory shops stock festoon bulbs.
... but not in the low-current, small-diameter varieties that are usually used in hifi equipment, AFAIK
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Old 29th May 2008, 3:36 pm   #9
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Default Re: Fuse style bulb

Quite right Nick. Having reread the thread it appears that these aren't actually festoon bulbs as I understand them at all though.
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Old 29th May 2008, 8:21 pm   #10
BGmidsUK
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Default Re: Fuse style bulb

I've replaced these on a few occasions with a small row of maybe 4 high-brightness LEDs, soldered together in series with a current-limiting resistor. This gives good, long-lasting results with moderate-sized scales and you can have whatever colour suits the display





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Old 3rd Jun 2008, 5:59 pm   #11
steviewigan
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Default Re: Fuse style bulb

I did think about swapping them for LEDs but they're powered by 6.3V AC (leftover valve transformers?). They're pretty weird bulbs and there's about 6 of them. They've got the festoon style pointy end caps but the glass doesn't stand proud of the caps like a festoon bulb. As amps go it strikes me as a pretty weird mix of germanium and silicon transistors. Everything's discrete on the quad section. Sorry going OT....
Cheers for the answers anyway.
Stevie
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Old 3rd Jun 2008, 7:30 pm   #12
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Default Re: Fuse style bulb

Is it any of these style bulbs?
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Old 7th Jun 2008, 1:20 pm   #13
steviewigan
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Default Re: Fuse style bulb

thin festoon looks closest.
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Old 13th Jun 2008, 12:07 am   #14
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Default Re: Fuse style bulb

eBay had several, do a search and you should find what you are after.

Last edited by matthewhouse; 13th Jun 2008 at 12:29 am.
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