Mackie TH-12A TH-15A Owner's Manual - Page 13

Appendix C: TH-15A Specifications Acoustic Performance Frequency Range (-10 dB): Frequency Response (-3 dB): Horizontal Coverage Angle: Vertical Coverage Angle: Maximum SPL Long-Term: Maximum SPL Peak: 40 Hz - 20 kHz 50 Hz - 18.5 kHz 90º 60º 118 dB SPL @ 1m 121 dB SPL @ 1m Equalization Low Frequency EQ: Mid Frequency EQ High Frequency EQ: Direct/EQ Switch: ±15 dB @ 80 Hz, shelving ±15 dB, bandpass, sweepable from100 Hz to 8 kHz ±15 dB @ 12 kHz, shelving Bypasses EQ section Input/Output Input Type: Input Impedance Loop-through Level Control: Sensitivity: Female XLR Balanced / Unbalanced 20 k balanced bridging; 10 k unbalanced Male XLR Balanced / Unbalanced (parallel with input) Rotating knob 0 dB at center +4 dBu for full output (Level Control @ Center) -36 dBu for full output (Level Control @ Max) Protection Features Over-excursion Protection: Thermal Protection: Driver Protection: AC Power Requirements US: EU, CN: AC Connector: Second-order sub-sonic filter Independent amplifier shutdown, auto reset Independent HF and LF compressors 100 - 120 VAC, 50 - 60 Hz 320 watts 200 - 240 VAC, 50 - 60 Hz 320 watts 3-pin IEC 250 VAC, 20 A male Transducers Low Frequency High Frequency 15 in / 381 mm with steel frame, paper cone woofer Horn-loaded 1 in / 25 mm exit compression driver Power Amplifiers Low Frequency Power Amplifier Rated Power: 150 watts, 8 ohm load 300 watts peak Signal-to-Noise Ratio: > -94 dB, 20 Hz to 20 kHz, unweighted, referenced to 138 watts into 8 ohms Design: BTL Class D High Frequency Power Amplifier Rated Power: 50 watts, 4 ohm load 100 watts peak Signal-to-Noise Ratio: > -97 dB, 20 Hz to 20 kHz, unweighted, referenced to 50 watts into 4 ohms Design: Class AB Electronic Crossover Crossover Type: Crossover Frequency: 24 dB/octave 3 kHz Construction Features Basic Design: Material: Finish: Handles: Grille: Display LEDs Front: Rear: Operating Temperature: Asymmetrical Trapezoidal Polypropylene Textured One on each side, one on top Perforated metal with weather-resistant coating Power ON Power ON, OL (overload) 0˚ - 40˚C 32˚ - 104˚F Physical Dimensions and Weight Dimensions Height: 27.6 in / 702 mm Width: 16.8 in / 427 mm Depth: 15.5 in / 394 mm Weight: 36 lb / 16.3 kg Mounting Methods: Pole-mountable via the built-in socket on the bottom of the cabinet. Be sure the pole is capable of supporting the weight of the TH-15A. 13