MK Sound S-150P THX - Manual (Page 15)

15. S-150P Specification
Input Impedance 15K ohms unbalanced
60K ohms balanced
Max Input Sensitivity Unbalanced 100mv =90 dB SPL @ 1 meter
Balanced 200mv = 90 dB SPL @ 1 meter
Max Output Level 112 dB @ 1 meter
Maximum input Input +24 dBu Balanced
Frequency Response 300Hz to 12kHz ± 1 dB
80Hz to 20kHz ± 3 dB
Type Sealed box
Crossover frequency 1.2kHz
80 Hz filter Type Butterworth Q= 0.707
80 Hz filter slope 12 dB /octave
Power amplifiers
Type Symmetrically balanced discrete bipolar
Channels 2 (bi-amplified)
Power output midrange amplifier 150 watts into 4 ohms @ 0.004% THD @ 100 hz
Power output tweeter amplifier 150 watts into 4 ohms @ 0.01% THD @ 3 kHz
Dimensions 12.5” H x 10.5” W x 16.13” D (with heat sink)
S- 150 P THX Manual