The Professor provides updates on some recent products and retests the sound level of the alp Propane Generator. Use code ...

A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than refinement. A single sine-wave signal of about 1 kHz is normally ...

We unbox then startup the Westinghouse iGen1200 1000 watt pure sine wave portable inverter generator and then do a db level sound measurement and 5000 btu air conditioning load test.