Adapter for Simpson 260 multimeter, for audio power measurements.
Enabled 4, 8, 16 and 600 Ohm load ranges, direct reading from 17 micro-Watts to 100 Watts.
Manufactured by Simpson Electric Company, Chicago, Illinois, USA, from 1959 until early 1970’s. This specific item is from the early 1960’s.
Audio Power Meter Simpson 654
Additional Info
From the Simcha Kauf estate, donated by the Kauf family.
