User manual

QTA-4060P/4120P
User Manual
User Manual Q-Tech Commercial Series
QTA-4060P/4120P
14
Output Impedance Output Impedance Output Impedance
0.1W 100K
Ω 10W 1KΩ 40W 250Ω
0.5W 20KΩ 15W 667Ω 50W 200Ω
1W 10KΩ 20W 500Ω 75W 133Ω
2W 5KΩ 25W 400Ω 100W 100Ω
3W 3.33KΩ 30W 333Ω 150W 66.7Ω
5W 2KΩ 35W 286Ω 200W 50Ω
(100V plan) P = E x E / Z = 100x100 / Z = 10,000 / Z
P: Power(W), Z : Impedance (Ω), E : 100V(Designed voltage of a general-use amplifier)
High impedance of speakers and output calculation table for 100Volt systems