| Content | 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 (8124):
Component: 100 mm (4 in) Full-Range
Frequency Range (-10 dB): 60 Hz – 18 kHz
Coverage: 130° conical
Sensitivity (2.83V@ 1m): 93 dB (1 kHz - 8 kHz)
Termination: Bare Wire
Nominal Driver Impedance: 8 ohms
Driver Power Capacity: 20 W
70V/100V Transformer Taps: 6 W, 3 W, 1.5 W, (0.75 W at 70 V only)
Dimensions (Diameter x Depth): 206 mm (8.1 in) diameter round baffle x 89 mm (3.75 in)
depth from back of baffle
Cutout Dimension: 175 mm diameter (6.9 in)
Net Weight: 1.2 kg (2.5 lb)
Included Accessories: Sculpted Grille
Optional Accessories: MTC-8124C 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
| Driver Complement |
|---|
| Tweeter | | Quantity | 1 | | Diameter | 1" (2.54cm) | | Type | Pure Aluminum Dome | | Mid / Woofer | | Quantity | 2 | | Diameter | 4 1/2" (11.43cm) | | Type | High Definition Bass/Midrange Driver | | Bass Radiator | | Quantity | 2 | | Diameter | 5 1/4" (13.34cm) | | Type | Planar Bass Radiator |
| Electrical |
|---|
| Audio Inputs | | Speaker Level | 1 Pair (Heavy Duty Spring Loaded) | | Maximum Sensitivity | | 1 watt @ 1 Meter | 92 dB | | Total Frequency Response | | Overall | 30 Hz - 30 kHz | | Nominal Impedance | | Compatible with | 8 ohm | | Crossover | | A/V Receiver Crossover Setting | Small (60 Hz) | | Power Handling | 10 - 250 watts per channel |
| Installation |
|---|
| Cut Out Dimensions | | Height | 10 3/8" (26.35cm) | | Width | 10 3/8" (26.35cm) | | Mounting Depth | 5 7/8" (14.92cm) | | Grille Dimensions | | Height | 11 1/2" (29.21cm) | | Width | 11 1/2" (29.21cm) | | Outer Flange | | Height | 11 1/2" (29.21cm) | | Width | 11 1/2" (29.21cm) | | Placement | | Orientation | In Ceiling | | Cabinet Type | | Speaker Enclosure | Sealed Medite |
|
Outer Flange Dimensions | Metric :11” x 12-3/4” | 27.9 x 32.4cm
Cut Out Dimensions | Metric :9-7/8” x 11-5/8” | 25.1 x 29.5 cm
Depth from Flange | Metric :3-7/8” | 9.8 cm
Driver Complement :Two 1" pure aluminum dome tweeters; Two 4-1/2" cast-basket bass/midrange drivers pressure coupled to two 4-1/2” bass radiators
Frequency Response :26 Hz – 30 kHz
Impedance :Compatible with 8 Ohm outputs
Sensitivity :90 dB
Recommended Associated Amplifier Power :10 – 200 watts
A/V Receiver Crossover Setting :80 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
Warranty :5 Years
Weight | Metric :13 lbs | 5.9 kg |
Features:
Consistent 90° broadband pattern control. Kevlar-reinforced 300 mm (12 in) woofer with 75 mm (3 inch) voice-coil cone. Medium-format compression driver. Extraordinary clarity for speech and vocals with extended frequency response for music. Power handling of 400 Watts with high sensitivity provides high SPL capability. Advanced high-slope crossover network for constant coverage and smooth, natural midrange.
Specifications:
Frequency Response 48 Hz - 19 kHz, +/-3dB (in ceiling) Maximum Power Handling 1600 Watts, 2 hrs., pink noise 1000 Watts, 100 hrs. Impedance 8 Ohms SPL 121dB avg., 124dB peak Beamwidth 90° conical, broadband (1kHz - 10kHz) Horizontal Beamwidth 90° conical, broadband (1kHz - 10kHz) Vertical Beamwidth 90° conical, broadband (1kHz - 10kHz) Directivity Factor: 9.0 (1kHz - 16kHz) Index: 9.5dB (1kHz - 16kHz) Construction Kevlar-reinforced cone woofer Medium-Format compression driver with radial slot phase plug Ported Metal Baffle Magnet LF: Saturated-gap geometry HF: Neodymium Voice Coil LF: 3" HF: 1.5" Dimensions (HxWxD) 14.4 x 14.4 x 8.8" (366 x 366 x 223mm) Weight 20 lb (9.1 kg)
|
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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