JBL Control 321C 12" 2-Way 250W Coaxial Ceiling Speaker

JBL Control 321C 12" 2-Way 250W Coaxial Ceiling Speaker

JBL Control 321C 12" 2-Way 250W Coaxial Ceiling Speaker

B&H # JBC321C MFR # CONTROL 321C

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Expected availability: 7-10 business days

Product Highlights

  • Passive Design
  • 12" Woofer with Kevlar-Reinforced Cone
  • High-Frequency Compression Driver
  • 250W Program (1000W Peak) Power Capacity
  • For Power Amplifiers
  • 47 Hz to 16 kHz Frequency Response
  • Built-In Crossover Network
  • 90° Broadband Coverage
  • Removable Locking Input Connector
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Configuration: 5.6 Ohms, No Transformer

5.6 Ohms, No Transformer 70V/100V, With Transformer

Special Order

This item is noncancelable and nonreturnable.

$360.00
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JBL Control 312C overview

  • 1Description

The JBL Control 321C is a passive 12" coaxial ceiling speaker designed for voice amplification and foreground music reproduction in waiting rooms, offices, retail stores, and restaurants. When driven by a low-impedance power amplifier (available separately), this 2-way speaker provides a long-term power capacity of 250W (1000W peak). The Control 321C is equipped with a durable 12" Kevlar-reinforced cone and a titanium-diaphragm compression driver, yielding an extended frequency response of 47 Hz to 16 kHz.

The cone, which also serves as a waveguide, results in reliable 90° broadband coverage while the built-in crossover network ensures proper frequency distribution to the speaker components. A removable locking connector with screw-down terminals ensures simple wiring for the input and loop output.

Coaxial ceiling speaker with pre-attached ported baffle
For use with low-impedance power amplifiers
Long-term power handling of 250W (1000W peak)
Durable 12" Kevlar-reinforced cone serves as a waveguide for high frequencies
Metal throat transitions smoothly to the horn to eliminate high-frequency beaming
High-temperature voice coil
High-frequency driver features a pure titanium diaphragm for high sensitivity and long life, a diamond surround for resonance control, and FerroFluid for increased power handling
Consistent 90° coverage on a broadband basis
Built-in crossover network with 18 dB/octave high-pass filter and 12 dB/octave low-pass filter
Integrated EZRail temporarily holds one side of the speaker baffle in place until the installer can affix the baffle to the backcan with screws
Removable multi-pin locking connector with secure screw-down terminals allows pre-wiring of inputs for easy clip-on convenience during installation
Compatible with MTC-300SG12 grille, and MTC-300BB12 backbox (both available separately)
In the Box
JBL Control 321C 12" 2-Way 250W Coaxial Ceiling Speaker
  • Limited 5-Year Warranty on Loudspeaker
  • Table of Contents
    • 1Description

    JBL Control 312C specs

    Active or Passive Passive
    LF Driver 12" / 30 cm Woofer with Kevlar-Reinforced Cone and 2" / 5 cm Voice Coil
    HF Driver JBL 2412H-1 Compression Driver with 1" / 2.5 cm Voice Coil
    Frequency Range 34 Hz to 18 kHz (-10 dB)
    Frequency Response 47 Hz to 16 kHz (3 dB)
    Coverage Pattern 90° Conical, Broadband (Average 1 to 16 kHz)
    Directivity Factor 8.7 (1 to 16 kHz)
    Directivity Index 9.4 dB (1 to 16 kHz)
    Power Capacity For 2 Hours: 250 W (1000 W Peak)
    For 100 Hours: 200 W (800 W Peak)
    Sensitivity Measured Half-Space: 94 dB (2.83 V at 1 m)
    Computed for Competitive Comparison: 99 dB (2.83 V at 1 m)
    Maximum SPL 118 dB Continuous Average (124 dB Peak)
    Impedance 5.6 Ohms
    Transformer Taps Not applicable
    Insertion Loss Not applicable
    Crossover Frequency: 1.8 kHz
    Low-Pass Filter: 2nd Order (12 dB/Octave)
    High-Pass Filter: 3rd Order (18 dB/Octave)
    Input Removable Locking Connector with Screw-Down Terminals
    Maximum Wire Size 12 AWG
    Shielded No
    Baffle Material: Metal
    Dimensions: 14.4 x 14.4" / 36.6 x 36.6 cm
    Dimensions (H x W x D) 14.4 x 14.4 x 8.8" / 36.6 x 36.6 x 22.3 cm
    Weight 16 lb / 7.3 kg
    Safety Rating UL 1480, UL 2043, NFPA 90, and NFPA 70 when Installed with a UL-Listed Backcan
    S7232/UL, UL 1876, IEC 60849 / EN 60849
    Packaging Info
    Package Weight 27.0 lb

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