Re: Regency Range Gain CB
It wasn't unreasonable of them to want to know specs, because there is more to a crystal than just the resonant frequency. If the specs are not known then the provider can usually analyse a similar crystal from the set - one of the other 8xxx crystals in this case, if you are prepared to loan them one for the duration. Or, if you furnish them with the circuit diagram of the set they can sometimes work the details out from that.
If this was something like a walkie-talkie which people might commonly want crystals for alternative channels made for, the supplier would most likely already know the spec and have it on file, having made some before.
There is at least one UK active supplier of bespoke one-off crystals, Quartslab (note the spelling, with 's', is correct). I don't know if it will be cost effective for you to use them when international carriage etc is taken into account.
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