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Old 15th October 2003, 06:12 PM   #1
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Default Where to Find Needle Gauges?

Is there anywhere to find gauges like on the attached picture? I am thinking about including them on an amplifier that I am going to build. I am guessing that they are offered in certain ranges and you can just select a voltage range to use it within. I would like to light it up from the back if I can too.


Thanks,
Paul
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Old 15th October 2003, 06:25 PM   #2
SY is offline SY  United States
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"Needle gauge." I love it- you've made me feel positively ancient.

They're called "meters," and are available from all the usual suspects- Allied, Newark and such. Voltage-reading ones are available, but usually meters are made to read current and a resistor is added to make it a voltage device. The value of the resistor sets the voltage range, and of course, you have to customize the scale to reflect what you've got it set up to read. That's easy in these times of laser printers and drawing software.
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Old 15th October 2003, 06:44 PM   #3
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Some nice vintage meters can be found on eBay. I often find these have more character than what you can generally find from modern distributers.

I suspect almost all of the really cool meters in audiophile-type equipment are custom batches.
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Old 15th October 2003, 06:57 PM   #4
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I was going to point you at the Selco products site ( www.selcoproducts.com/ ) where Iíve purchase a lot of Sifam meters in the past. While checking the link, I was amazed to see that they no longer carry the Sifam analog line. A redirect was provided to the manufacture who may be able to indicate a distributor:

http://www.sifam.com/vuppm.lasso

Ive always liked the AL29B
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Old 15th October 2003, 07:03 PM   #5
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Sifam also makes a "retro" AL20 SQ more or less styled after the old western electric meters.
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Old 15th October 2003, 07:05 PM   #6
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Great, thanks for the tips guys, Keep them coming if you know of any others.

-Thanks,
Paul
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Old 15th October 2003, 07:54 PM   #7
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How about the "needle gauge" in those ultra-cheap multimeters.

You could set it up with a selector switch to measure different things in your amp - input signal, output signal, feedback signal...

If you cut the front panel to the right shaped holes you can make any meter appear custom-made. Of course, the front panel is then custom-made.

:)ensen.
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Old 16th October 2003, 02:24 PM   #8
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Yeah, thats what I am looking for, but where do I get them from?
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Old 16th October 2003, 03:05 PM   #9
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Radio Shack, hardware stores, surplus, dollar stores, garage sales, on the road (see other thread), in your unused tools box.

:)ensen.
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Old 16th October 2003, 05:29 PM   #10
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Of course, I'm suggesting 2 possibilities:

1) Rip out the gauge and re-wire for use as a power meter
2) Use the multimeter as is but hardwired - ugly but fast

:)ensen.
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