Quest Engineering QTA 6060M User Manual page 21

High impedance of speakers and output calculation table for 100Volt systems
Output Impedance
0.1W 100K
0.5W 20K
1W 10K
2W 5K
3W 3.33K
5W 2K
(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)
Output
10W
Ω
15W
Ω
20W
Ω
25W
Ω
30W
Ω
35W
Ω
Impedance Output
1K 40W
Ω
667 50W
Ω
500 75W
Ω
400 100W
Ω
333 150W
Ω
286 200W
Ω
Q-Tech Commercial Series
QTA 6060M/6120M/6250M
QTA 6000 Series
User Manual
Impedance
250
Ω
200
Ω
133
Ω
100
Ω
66.7
Ω
50
Ω
User Manual
19