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Title: Need manual for Singer Spectrum Analyzer SB-15A Post by: wa2ujx on February 20, 2012, 05:12:08 PM I am looking for service and operator's manuals for a Singer Metrics Ultrasonic Spectrum Analyzer Model SB-15A. I was made aware BAMA has model SB-12 manual but the circuits are totally different. Made in 1963, this analyzer was used with my SP-600 as a spectrum scope. I want to use it again if I can repair it (the problem is more than tubes and electrolytics). Any ideas will be appreciated. Carl WA2UJX AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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