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Key Features:
Clear, High-Fidelity Performance
6W Transformer for use on 70V / 100V
Distributed Lines
Dog-Ears for Easy Blind Mount
Installations
High Sensitivity for Maximum Power
Efficiency
Open-back design for applications not
requiring an in-ceiling backcan.
Specifications (8128):
Component: 200 mm (8 in) Full-Range
Frequency Range (-10 dB): 50 Hz – 16 kHz
Coverage: 90° conical
Sensitivity (2.83V@ 1m): 97 dB (1 kHz - 8 kHz)
Termination: Bare Wire
Nominal Driver Impedance: 8 ohms
Driver Power Capacity: 25 W
70V/100V Transformer Taps: 6 W, 3 W, 1.5 W, (0.75 W at 70 V only)
Dimensions (Diameter x Depth): 287 mm (11.3 in) diameter round baffle x 104 mm (4.1 in)
depth from back of baffle
Cutout Dimension: 260 mm diameter (10.1 in)
Net Weight: 1.4 kg (3.0 lb)
Included Accessories: Sculpted Grille
Optional Accessories: MTC-8128C C-ring
MTC-RAIL tile rails
Plenum Usage: Not intended for use in return air plenums
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Outer Flange Diameter | Metric :8-3/4” | 22.2 cm
Cut Out Diameter | Metric :7-5/8” | 19.4 cm
Depth from Flange | Metric :4-1/4” | 10.8 cm
Driver Complement :One 1" pure aluminum dome pivoting tweeter coaxially mounted in a 6-1/2" bass/midrange driver
Frequency Response :28 Hz – 30 kHz
Impedance :Compatible with 8 Ohm outputs
Recommended Associated Amplifier Power :10 – 200 watts
A/V Receiver Crossover Setting :100 Hz
Inputs :One pair of 5 way binding posts
Available Finishes :Paintable White
Packaging :Two to a carton
Weight | Metric :6 lbs | 2.7 kg
Warranty :5 Years | * Driver Size (dual-cone) 200 mm (8 in)
* Driver Sensitivity (mid-range) (1W [2.83V], 1m, 2k - 6k Hz) 97 dB
* Frequency Range (-10 dB) Driver/Grille Assembly: 50 Hz - 17 kHz
o Installed in CSS-BB backcan: 90 Hz - 17 kHz
* Coverage (2 kHz) 110°
* Driver Continuous Power Handling 20 Watts
* 100V Taps 10W, 5W, 2.5W
* 70V Taps 10W, 5W, 2.5W, 1.3W
* 25V Taps 10W, 5W, 2.5W, 1.3W
* Transformer Insertion Loss 1.5 dB Maximum
* Transformer Connection Bare wire
* Motor Mass 283 g (10 oz)
* Safety Agency: Suitable for use in air handling spaces per UL1480, UL2043, NFPA 90 & NFPA 70, when installed with corresponding UL Listed backcan, below. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
* Matching CSS Backcan CSS-BB8 (0.15 cu ft)
* Bolt Mounting Circle to Backcan 4 points on 286 mm / (11.25 in) diameter
* Cutout Diameter
o Open-back: 216 mm (8.5 in)
o In CSS-BB backcan 295 mm (11.7 in)
* Depth (behind grille) 73 mm (2.9 in)
* Grille Diameter 327 mm (12.9 in)
* Net Weight (ea) 1.58 kg (3.5 lb)
* Shipping Weight (ea) 2.25 kg (5.0 lb)
* Included Accessories 4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding backcan. |
- Frequency Range (-10 dB) : 34 Hz – 18 kHz In half space (in ceiling)
- Frequency Response (±3 dB) : 47 Hz – 16 kHz In half space (in ceiling)
- Coverage Pattern : 90° conical, broadband (Avg 1k - 16kHz) Average 1 kHz to 10 kHz
- Directivity Factor (Q) : 8.7 (1k - 16kHz)
- Directivity Index (DI) : 9.4 dB (1k - 16kHz)
- Long-Term System : 250 W (1000 W peak), 2 hrs
- Power Rating, IEC3 : 150 W (600 W peak), 100 hrs
- Sensitivity (2.83V@ 1m) : 94 dB measured half-space, 99 dB computed for competitive comparison
- Maximum SPL6 : 118 dB cont ave (124 dB peak)
- Crossover Network : 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF.
- Nominal Impedance : 8 ohms
- Transducer Low Frequency Driver : Kevlar reinforced cone, 50 mm (2 in) voice coil.
- Transducer High Frequency Driver : JBL 2412H-1 compression driver, 25 mm (1 in) voice coil.
- Input Connector : Removable locking connector with screw-down terminals. Max wire 12 AWG (2.5 mm2)
- Dimensions (H x W x D) : 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 223 mm (8.8 in) on 321C
- Net Weight : 16.0 lbs. (7.3 kg)
- Shipping Weight : 19.4 lbs. (8.8 kg)
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Most compact of the JBL ceiling speakers, the Control 24C contains a coaxially mounted 4" woofer and 3/4" titanium-coated tweeter, providing high-fidelity sound over an extremely wide coverage area.
Specifications:
- 80 Hz to 20 kHz frequency range (-10 dB)
- 80 watts continuous program power capacity
- 86 dB sensitivity (1W/1m)
- 16 ohms nominal impedance
- 130° conical coverage (polar)
- Steel back-can with removable locking connector
- Dimensions (height x diameter): 7.9" x 7.7" (200 x195 mm)
- Net Weights: 2.7 kg (6 lbs)
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Outer Flange Dimensions | Metric :15-1/2” W x 15-1/2” H | 39.4 x 39.4 cm
Cut Out Dimensions | Metric :14-3/8” W x 14-3/8” H | 36.5 x .36.5 cm
Depth from Flange | Metric :5-7/8” | 14.9 cm
Driver Complement :Two 1" pure aluminum dome tweeters; Two 5-1/4" cast-basket bass/midrange drivers pressure coupled to two 6-1/2” bass radiators
Frequency Response :22 Hz – 30 kHz
Impedance :Compatible with 8 Ohm outputs
Sensitivity :
Recommended Associated Amplifier Power :10 – 250 watts
A/V Receiver Crossover Setting :40 Hz
Inputs :One pair of gold plated spring loaded posts
Enclosure :Sealed Medite
Available Finishes :Paintable White
Accessories :Paint mask; Cut-out template
Packaging :One to a carton
Weight | Metric :22 lbs | 10 kg
Warranty :5 Years
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