JBL CM Center
Documentation on the JBL CM Center is thin. What the record shows is a compact center-channel speaker from JBL's CM series. It's a sealed two-way with dual 5″ woofers and a 1″ textile dome tweeter, crossing over at 2.8 kHz. Sensitivity is rated at 89 dB (2.83V/1m), nominal impedance is 6 ohms, and frequency response is 70 Hz - 23 kHz. The recommended amplifier range is 20 - 150 watts. It measures 450 × 175 × 170 mm (W×H×D) and weighs 6.4 kg.
Past those specs, the record goes quiet. No production years, original price or critical reception have surfaced. There's also no documented information on cabinet construction, terminal configuration, magnetic shielding or finish options. Those are all common details for a center-channel design, but none are confirmed in the sources at hand.
Known specifications:
- Type: 2-way, closed (sealed) system
- Drivers: dual 5″ woofers, 1″ textile dome tweeter
- Crossover: 2.8 kHz
- Frequency response: 70 Hz–23 kHz
- Sensitivity: 89 dB (2.83V/1m)
- Nominal impedance: 6 ohms
- Recommended amplifier power: 20–150W
- Dimensions: 450 × 175 × 170 mm (W×H×D)
- Weight: 6.4 kg
The CM Center remains a largely undocumented piece of JBL's CM line. It's a functional center-channel speaker with sensible specs.
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