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In Reply to: RE: But for how long? Tomorrow? posted by used-hifi on February 10, 2017 at 10:49:04
Against what? How stable is the calibration reference?Hint, why did Dynaco choose 1.56 volts for the bias setting in their famous amps. That required a non standard cathode resistor. Why 1.56 volts?
It's all about the accuracy of the reference. Otherwise any so called calibration is relative.
Also, you only need to calibrate those old dinosaurs once a year if you are doing work that requires traceable calibration certificates. That doesn't mean they need yearly calibration to remain accurate - and surly accurate enough for hobbyist audio use.
Edits: 02/10/17 02/10/17Follow Ups:
~!
The Mind has No Firewall~ U.S. Army War College.
Alkaline batteries did not commercially exist back then.
dave
Am aware Dave... merely implying that alkaline tend to run higher voltages... in my experience.
The Mind has No Firewall~ U.S. Army War College.
Even this well-considered argument is captive to the necessity of the unit remaining functional. Chinese products carry an inherent risk of default in that regard. :)
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