JBL 8128 Ceiling Speaker 8 Inch 6 Watts

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

• 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)

Two 1" pure aluminum dome tweeters; Two 4-1/2" cast-basket bass/midrange drivers pressure coupled to two 5-1/4” bass radiators
Freq. Response: 30 Hz - 30 kHz,
Impedance: 8 Ohms Rec. Ampl. Power: 10 - 250 watts
Inputs: One pair of gold plated spring loaded posts, Finishes: Paintable White
Outer Dimensions: 29.2 x 29.2 x 14.9cm
Cut Out Dimensions: 26.4 x 26.4 x 14.9cm

-42 Hz to 200 Hz frequency range (-10 dB)

-140 watts continuous program power capacity

-95 dB sensitivity (1W/1m)

-8 ohms nominal impedance

-Steel back-can with removable locking connector

-Control 19CST 70V taps: 75W, 30W, 15W, 7.5W

-Control 19CST 100V taps: 75W, 30W, 15W.

-Dimensions (height x diameter): 345 mm x 345 mm (13.6 in x 13.6 in)

-Net Weights: Control 19CS = 5.5 kg (12 lb),

-Control 19CST = 6.4 kg (14 lb)

    * Frequency Response (-10 dB)1: 150 Hz - 20 kHz
    * Frequency Range (±3 dB)1: 200 Hz - 17 kHz
    * Power Capacity:
          o 50 Watts Continuous Program Power (2 hrs)
          o 25 Watts Continuous Pink Noise (2 hrs)
          o 30 Watts Continuous Program Power (100 hrs)
          o 15 Watts Continuous Pink Noise (100 hrs)
    * Nominal Sensitivity:
          o 87 dB (4.0 V, 1 W)
          o 84 dB (2.83 V)
    * Nominal Coverage Angle3: 140° (+25°/-50°)
    * Directivity (Q): 4.7
    * Directivity Index (DI): 6.2 dB
    * Rated Maximum SPL @ 1m: 97 dB continuous pink noise, 103 dB peak
    * Rated Impedance: 16 ohms (no transformer taps)
    * Recommended High-Pass Frequency: 150 Hz

Transducer

    * Driver: 60 mm (2.5 in), polypropylene-coated paper with pure butyl rubber surround, 20 mm (¾ in) copper clad aluminum voice coil with vented Nomex® coil-former.

Enclosure

    * Enclosure Material: High impact polystyrene
    * Grille: Zinc-plated steel grille with powder-coat finish, foam backing (removable for painting)
    * Environmental: Exceeds Mil Spec 810 for humidity, salt spray, temperature & UV. IP44 capability per IEC 529 - splashproof rating.
    * Termination: Two removable locking euro-block 2-pin connectors with screwdown terminals for bare wire. Connectors paralleled for input and loop-thru. Max. wire 12 AWG (2.5 mm2). Rubber terminal covers included.
    * Suspension: Two identical suspension systems (one as main suspension cable and the other as safety cable), each consisting of 4.5 m (15 ft) long 2 mm (0.077 in) high-tensile galvanized-steel wire rope suspension cable with spring-clips for clipping onto the loudspeaker bracket and Gripple™ brand adjustable-height cable fasteners for infinitely adjustable height. Cables have SWL rating of 45 kg (99 lb).
    * Safety Agency Ratings: Speaker listed per UL1480, transformer registered per UL1876. In accordance with IEC60849/EN60849. Suspension system and Gripple®-brand cable fastener listed per UL1598 and UL2239, TUV, and CSA Class 3426-01 & Class 3426-81.
    * Dimensions: 128 mm (5.1 in) diameter x 121 mm (4.8 in) height to top of cabinet. 141 mm (5.6 in) to top of suspension bracket.
    * Net Weight (ea): 0.7 kg (1.5 lbs)
    * Shipping Weight (pair): 2.0 kg (4.3 lbs)
    * Included Accessories: Two suspension cable systems (see "Suspension“, above), two 2-pin removable locking euro-block connectors, two rubber covers for euro-block connectors.

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)