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#1
April 25th 08, 02:05 PM
posted to rec.radio.amateur.boatanchors
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SB 220 parts
In article , George wrote:
I am looking for the 2 variable capacitors in the SB220. are these still avaible somewhere? part # 26-145 840pf part # 26-131 250pf Are these mica trimmers or big air variable caps? --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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#2
April 26th 08, 12:33 AM
posted to rec.radio.amateur.boatanchors
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SB 220 parts
Air Variables
-- George Folse "Scott Dorsey" wrote in message ... In article , George wrote: I am looking for the 2 variable capacitors in the SB220. are these still avaible somewhere? part # 26-145 840pf part # 26-131 250pf Are these mica trimmers or big air variable caps? --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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#3
May 1st 08, 02:43 PM
posted to rec.radio.amateur.boatanchors
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SB 220 parts
In article , George wrote:
Air Variables Okay, as I recall there was an ECO on the big air variable on the SB220, because there were some arcing problems with it, so it was replaced with a heavier-duty one which caused the arcing to occur at the bandswitch instead. So if you can find pulls from another SB220, make sure they are the same ones. Big air-variables are not easy to find in new production any longer, sadly. The 250 pF you might be able to find at Fair Radio if you can deal with some slight mechanical changes, though. What happened to the originals? Arcing or are they bent-up? If they are bent, it may be easier to disassemble and straighten the plates than to replace them these days. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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