Ceiling Mount Loudspeaker


  • Wide-Bandwidth, High-Fidelity Performance - ensures a full, rich, musical sound with low distortion.
  • Shares Driver Technology with AD-S (surface mount) loudspeakers for Seamless Sonic Integration - provides the ability to mix speaker models within zones for the best possible coverage.
  • AD-CI52ST Features a Shallow Can - can be mounted in ceilings and standard architectural walls.
  • True High-Fidelity, 2-Way Design - speakers feature a 1" titanium HF dome tweeter for exceptional sound quality from a ceiling format loudspeaker.

Package Includes:

  • Two AD-CI52T or AD-CI52ST loudspeakers
  • Two C-ring and tile rails
  • Two round grilles (white, paintable)
Configuration Shallow can, two-way, ported enclosure
Low Frequency Transducer

High Frequency Transducer

5.25" (13 cm) Weather-resistant, low distortion fiberglass cone woofer, 25 mm voice coil, rubber surround

1" titanium dome tweeter, neodymium magnet
Frequency Range 1
Frequency Response (±3 dB)
Useable Frequency Range
(-10 dB)

63 Hz to 20 kHz
53 Hz to 20 kHz
Maximum Output 2

103 dB SPL
109 dB SPL
Nominal Impedance 8 ohms
Power Capacity 3 40 W (100 hours IEC)
Recommended amplifier power (loudspeaker "program" power) 80 watts
Sensitivity 4 87.5 dB, 2.83 V, 1 m, flush mounted (2 pi)
Nominal Coverage 100° conical pattern
Bass Loading Ported, tuned to 70 Hz


Type Custom low distortion laminated core, wide bandwidth design
Taps 70/100V: 30, 15, 7.5, 3.8 Watts and 8 ohms selected by switch
Insertion Loss 0.8 dB, averaged over 50 Hz - 20 kHz bandwidth (30 W tap)
Distortion Less than 0.01% THD above 100 Hz,
0.2% at 50 Hz (30 W tap)
Bandwidth 40 Hz to 20 kHz (-1 dB, all taps)


Material Injection molded high impact polystyrene baffle on a steel enclosure
Finish White (paintable)
Grill Heavy duty powder coated steel
Connectors 4-pin Euro terminals in fire protective sub-chamber
Mounting Hardware Rails and brackets for ceiling tile installation
Weight 8 lb (3.7 kg) net, each
27 lb (12.2 kg) shipping, per pair

1 All frequency ranges specified refer to measured free field response (half space, 2 pi)
2 Calculated using specified power capacity and system sensitivity. 6 dB peak-to-average signal ratio assumed.
3 Continuous IEC specified test signal
4 Based on nominal impedance, measured in half-space.

All specifications are subject to change without notice.