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)

Driver Complement
Mid/Woofer     1 - 6-1/2" Diameter (16.51cm)
Dynamic Balance polymer composite cone driver
Tweeter     2 - 3/4" Diameter (1.91cm)
Silk Dome Tweeters
Electrical
Overall Frequency Response     40Hz-20kHz
Lower -3dB Limit     55Hz
Upper -3dB Limit     20kHZ
Nominal Impedance     8 ohms
Recommended Amplifier Power     20 - 100 w/channel
Efficiency     89 dB
Dimensions
Overall Diameter     8-15/16“(22.70cm)
Cut-out Diameter     7-5/8“(19.37cm)
Mounting Depth
(assumes 1/2" [12.7mm] wall material)     2-5/8" (6.67cm)
Overall Depth     3-1/8" (7.94cm)
Shipping/Other      
Shipped As     each
Product Weight     2.55 lbs. (1.16kgs) each
Total Shipping Weight     3.00 lbs. (1.36kgs)
Speaker Warranty     Lifetime Warranty

Driver Complement
Mid/Woofer     1 - 6-1/2" Diameter (16.51cm)
Dynamic Balance polymer composite cone driver
Tweeter     1 - 3/4" Diameter (1.91cm)
Silk Dome Tweeter
Electrical
Overall Frequency Response     40Hz-20kHz
Lower -3dB Limit     60Hz
Upper -3dB Limit     20kHZ
Nominal Impedance     8 ohms
Recommended Amplifier Power     20-100 w/channel
Efficiency     89 dB
Dimensions
Overall Diameter     9-5/16“(23.65cm)
Cut-out Diameter     8-3/16“(20.80cm)
Mounting Depth
(assumes 1/2" [12.7mm] wall material)     3-3/8" (8.57cm)
Overall Depth     3-7/8" (9.84cm)
Shipping/Other      
Shipped As     each
Product Weight     3.25 lbs. (1.47kgs) each
Total Shipping Weight     5.00 lbs. (2.27kgs)

• Bipolar arrays evenly disperse sound effects over a broad area
• Dual 1" pure aluminum dome tweeters produce pristine highs
• High dynamic impact with a pair of 3.5" cast basket drivers and two 3.5" pressure-coupled Low Bass radiators
• Integrated dense wood enclosures provide easy installation and consistent high performance

In-Ceiling Or In-Wall, They’re Incredible

The Definitive Technology Architectural Speaker line delivers high performance sound while remaining practically invisible. Intended for use in custom home theaters of the highest quality, UIW RSS III speakers feature non-resonant medite cabinets, producing the tightest bass, clearest midrange and an ideal combination of direct and ambient sound. The result is uniquely immersive surround performance that completely envelops listeners in an expansive, 360-degree sound stage.

• Total Pieces1

• Included Accessories
  • (1) Wall Mounting Template
  • (1) Paint Mask
  • (1) Paintable Grille
  • (1) Self Adhering Foam Gasket

• Cabinet Warranty5 years
• Drivers Warranty5 years

• Carton 113.5" (34.29 cm) h x 13.5" (34.29 cm) w x 7.25" (18.42 cm) d - 9 lbs (4.08 kg)

• Qty Included1
• Availability US
• Driver Complement
  • (2)  1" (2.54 cm) d (Round) - Tweeter
  • (2)  3.5" (8.89 cm) d (Round) - Mid/Woofer
  • (2)  3.5" (8.89 cm) d (Round) - Bass Radiator
• Grille Dimensions11" (27.94 cm) h x 9.44" (23.98 cm) w

• ShapeRectangle
• Dimensions9.88" (25.1 cm) h x 8.31" (21.11 cm) w

• ShapeRectangle
• Dimensions9.88" (25.1 cm) h x 8.31" (21.11 cm) w

• Audio Inputs
• Speaker Inputs(1) Pair of Heavy Duty, Spring Loaded

• Total Frequency Response40 Hz → 30,000 Hz
• Nominal Impedance Range8 ohms → 4 ohms
• Max Sensitivity (1 watt @ 1 meter)92 dB

• A/V Receiver Crossover SettingsSmall (120 Hz)

• Recommended Amplifier Power Per Channel10 watts → 300 watts

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)