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Specifications
Frequency Response
1
: 90- 20k Hz (-6 dB)
70- 21k Hz (-10 dB)
Drivers: low frequency- 5.25” (133 mm) magnetically shielded
high frequency- metallized dome, neodymium magnet structure
Maximum Output
2
: 103 dB SPL continuous rms output
(calculated) 106 dB SPL peak output
Impedance: 8 ohms nominal
6.3 ohms minimum, 280 Hz
155 ohms maximum
Power Rating
3
:
rms (IEC 100 hrs): 80 watts rms
recommended amp power: 160 watts rms
Sensitivity: 91.5 dB, 1 watt, 1 meter, free field (4 pi)
Directivity Index: 500 Hz 3.0
1000 Hz 4.5
2000 Hz 10.7
4000 Hz 6.9
8000 Hz 7.6
16000 Hz 6.2
Q: 500 Hz 1.5
1000 Hz 2.6
2000 Hz 11.3
4000 Hz 6.3
8000 Hz 7.1
16000 Hz 5.2
Weight per pair: AD-S52: 15 lb. net, 22 lb. shipping
AD-S52T: 18 lb. net, 25 lb. shipping
Nominal Coverage: 90° horizontal. x 60° vertical
Enclosure and Grill: high impact polystyrene, removable metal grill
Connectors: binding posts (accept up to 0.15” (3.8 mm) diameter wire, banana plugs, or spade lugs)
Mounting Hardware: Included: ball mount adapter with variable wall plate configurations, alloy construction
Optional: yoke mount with retaining knobs (model YM-5)
NOTES:
1- All frequency ranges specified refer to measured free-field response (4 pi).
2- Calculated maximum peak SPL at 1 m, free-field, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.
3- Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.
Specifications are subject to change without notice.