Control 24CT Micro - Pregnant JBL - Free user manual and instructions
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| Product Type | Ceiling Speaker |
| Brand | JBL |
| Model | Control 24CT Micro |
| Driver Size | 4 inches (100 mm) |
| Power Handling (Continuous) | 40 W |
| Power Handling (Program) | 80 W |
| Impedance (Low-Z) | 8 ohms |
| Transformer Taps (70V/100V) | 30 W, 15 W, 7.5 W, 3.75 W (70V); 30 W, 15 W, 7.5 W (100V) |
| Frequency Response (-10 dB) | 100 Hz – 20 kHz |
| Sensitivity (1W/1m) | 88 dB SPL |
| Coverage Angle | 130° conical |
| Dimensions (Diameter x Depth) | 7.7 x 5.3 in (196 x 135 mm) |
| Weight | 3.5 lb (1.6 kg) |
| Material (Baffle) | Injection-molded ABS |
| Grille Material | Steel, powder coated |
| Mounting Type | Ceiling mount with C-ring and tile rails |
| Connector Type | 4-pin detachable locking connector |
| Safety Certifications | UL 1480, cUL, CE, ROHS |
| Applications | Foreground/background music, paging |
| Included Accessories | C-ring, tile rails, paint shield, cutout template |
Frequently Asked Questions - Control 24CT Micro JBL
How do I select the correct tap setting for my 70V system?
Choose a tap setting that does not exceed the amplifier's total power. For example, if your amplifier can deliver 100W, you can connect multiple speakers at 15W each, ensuring total wattage is ≤ 100W. The selector switch on the speaker allows you to choose between 30W, 15W, 7.5W, or 3.75W (70V).
Can I use the Control 24CT Micro with a standard 8-ohm amplifier?
Yes, you can bypass the transformer by setting the tap selector to the '8Ω' position. This allows the speaker to operate as a standard 8-ohm speaker for low-impedance systems.
What is the recommended ceiling thickness for installation?
The speaker fits into standard ceiling tiles with a thickness of up to 1.75 inches (45 mm). The included C-ring and tile rails provide secure mounting.
How do I wire multiple speakers in a 70V system?
Wire all speakers in parallel, connecting the amplifier's 70V output to the '+' terminal of each speaker and the 'COM' to the '-' terminal. Ensure total tap power does not exceed the amplifier's rated power.
What is the cutout size required for installation?
The required cutout diameter is 7.1 inches (180 mm). Use the included cutout template for precise cutting.
Can the grille be painted to match the ceiling?
Yes, the grille is paintable. Remove the grille before painting, and use a high-quality spray paint. Reattach after the paint is dry.
What is the frequency response of the Control 24CT Micro?
The frequency response is 100 Hz to 20 kHz at -10 dB. For extended low-frequency response, consider adding a subwoofer.
Is the speaker suitable for outdoor use?
No, the Control 24CT Micro is designed for indoor use only. It is not weatherized and should be installed in dry, climate-controlled environments.
How do I clean the speaker?
Use a soft, dry cloth to clean the grille and baffle. Do not use water or cleaning solvents, as they may damage the components. For stubborn dirt, gently vacuum the grille.
What is the warranty period for this speaker?
JBL offers a 5-year limited warranty against defects in materials and workmanship. Proof of purchase is required for warranty claims.
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