Special Features
Requested name audio wattmeter; power on, fan on, and temperature warning indicators on the front panel; load switch selects from 12 load impedances that range from 4 ohms to 600 ohms; power switch selects power range from 2 milliwatts to 200 watts full-scale
Description
8.500 inches nominal overall length.
Circuit Current For Which Designed
Ac
Overall Height
3.500 inches
Overall Width
19.000 inches
Frequency Rating
Between 50.0 hertz and 60.0 hertz
End Application
Used on low level receiver outputs as well as high power pa amplifiers used in most aircraft; audio-frequency generators, low power amplifiers, transducers, headphones, and microphones
Furnished Items And Quantity
Technical manual 1
Indicator Type
Dial w/pointer
Installation Design
Rack
Frequency Response Range
+0.020 to 20.000 kilohertz
Power Source
External
Measurement Range
-15.0 to 53.0 decibels single indicator 1st range
Measurement Range
+0.002 to 200.000 watts single indicator 2nd range
Circuit Attachment Method And Quantity
3 binding post
Operating Voltage Rating In Volts
115.0 ac
Functional Description
Designed to measure audio power output
Reference Data And Literature
T.O. 33a1-12-1358-1; specialized avionics test equipment technical manual
