| Supreme 546 Oscilloscope | |
| Written by AnubisTTP on 2006-09-24 |
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The Supreme 546 is a military-issue vacuum tube oscilloscope built in the 1930s and 1940s. The 546 is notable for its relatively massive 3" display, three times the diameter of many scopes from the same era. Internally, the 546 is exactly what one would expect from a piece of equipment of this age. The underside is a mass of tar and wax paper capacitors; topside there is nothing but tubes.
Supreme 546 Wiring Diagram (PDF)
Supreme 546 oscilloscope, serial number 2912, manufactured in 1937. This device was once US Army property, and is the oldest oscilloscope in the IA collection.
The Supreme 546 vacuum tube oscilloscope has only five tubes: two 80s, two 6C6s and a 3AP1.
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