Stancor help

[Edward Greeley]

Hello Colin,

Your transformer is a "universal", 4 watt, output transformer. The three
leads are the center-tapped primary whose impedance range is 2000 to
14,000 ohms. The impedance reflected to the primary is determined by the
impedance of the secondary load (the speaker) and by which two secondary
taps are used to feed the speaker. These transfomers, when new, came
with a chart which showed which secondary taps to use with which speaker
impedance to obtain the desired primary impedance. Although the primary
is center-tapped for push-pull output, it can also be used as a
single-ended device. Sorry, I don't have the tap info for you.

Ed Greeley
Mobile, AL

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