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Appendix C: TH-15A Specifications
Equalization
Low Frequency EQ: ±15 dB @ 80 Hz, shelving
Mid Frequency EQ:
±15 dB, bandpass,
sweepable from100 Hz to 8 kHz
High Frequency EQ: ±15 dB @ 12 kHz, shelving
Direct/EQ Switch: Bypasses EQ section
Protection Features
Over-excursion Protection:
Second-order sub-sonic filter
Thermal Protection: Independent amplifier
shutdown, auto reset
Driver Protection: Independent HF and LF
compressors
AC Power Requirements
US: 120 VAC, 60 Hz
Europe: 240 VAC, 50 Hz
Korea: 220 VAC, 60 Hz
Japan: 100 VAC, 50/60 Hz
AC Connector: 3-pin IEC 250 VAC, 20 A male
Fuse: 115 VAC: T 6 AL/250 V
230 VAC: T 3.15 AL/250 V
Power Consumption: 320 watts with music,
loud mix
20 watts quiescent (idle)
Construction Features
Basic Design: Asymmetrical Trapezoidal
Material: Polypropylene
Finish: Textured
Handles:
One on each side, one on top
Grille: Perforated metal with
weather-resistant coating
Display LEDs
Front: Power ON
Rear: Power ON, OL (overload)
Physical Dimensions and Weight
Dimensions
Height: 27.1 in/689 mm
Width: 16.8 in/427 mm
Depth: 15.8 in/401 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.
Disclaimer
Since we are always striving to make our products
better by incorporating new and improved materials,
components, and manufacturing methods, we
reserve the right to change these specifications at
any time without notice.
Acoustic Performance
Frequency Range (–10 dB): 40 Hz – 20 kHz
Frequency Response (–3 dB): 50 Hz – 18.5 kHz
Horizontal Coverage Angle: 90
º
Vertical Coverage Angle: 60
º
Maximum SPL Long-Term: 113 dB SPL @ 1m
Maximum SPL Peak: 116 dB SPL @ 1m
Input/Output
Input Type: Female XLR Balanced/Unbalanced
Input Impedance: 20 k
balanced bridging;
10 k
unbalanced
Loop-through: Male XLR Balanced/Unbalanced
(parallel with input)
Level Control: Rotating knob
0 dB at center
Sensitivity: +4 dBu for full output
(Level Control @ Center)
–36 dBu for full output
(Level Control @ Max)
Transducers
Low Frequency:
15 in/381 mm with steel frame,
paper cone woofer
High Frequency:
Horn-loaded 1 in/25 mm exit
compression driver
Power Amplifiers
Low Frequency Power Amplifier
Rated Power: 150 watts, 8 ohm load
298 watts peak
THD: <0.1%
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
99 watts peak
THD: <0.1 %
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: 24 dB/octave
Crossover Frequency: 3 kHz