Cable Loss Calculator

Calculate power loss based on various amplifier, loudspeaker, and cable parameters.

System of Units
IEC

Amplifier Ratings

Output Watts

Output rated into Ohms

Damping factor

Loudspeaker Rating

Impedance Ohms

Loudspeaker Cable

Gauge Metric IEC AWG

Length Meters

Capacitance pF per M

Output

Net power loss due to cable dB 0.1

Effective damping factor 55.1

Power to loudspeaker Watts 1939

Rolloff frequency (-3dB) due to capacitance kHz 3918

Full-power voltage to loudspeaker Volts 124.5

Full-power current through loudspeaker Amperes 15.6

Total round-trip resistance of cable (100.0 ft) Ohms 0.13