| Element | Specifications |
| Weight | PLM6-CV - 1600g; PLM4-CV - 1450g |
Enclosure | |
| Material | Electroplated steel housing, 26 gauge |
| Height | PLS6-CV - 155mm (6.25 inches); PLS4-CV - 85mm (3.45 inches) |
| Width | 155mm (6.25 inches) |
| Suspension | Lightweight mounting chain 600mm (24 inches) |
Loudspeaker | |
| Dimension | 133 mm (5.00 inches) wide dispersion |
| Power Rating | 10 Watts RMS |
| Frequency Response | 50 -15 000Hz |
| Pressure Sensitivity | SPL @ 1 Watt/m - 92dBA |
| Impedance | 16 Omhs |
| Resonance | 100Hz |
| Magnetic Weight | 283.5 grams (10oz.) ceramic |
| Magnetic Structure Weight | 737.1 gram (26oz.) |
| Flux Density | 10 300 GAUSS |
| Cone | Molded fiber |
| Cone Suspension | High compliance treated cloth |
| Voice Coil | 25.4 mm (1 inch) diameter |
| Voice Coil Form | Nomex |
| Manufacturer | Cambridge Speakers |
Paging Input | 25V RMS @ 0.1 Watts (10 KOhms) |
| Minimum Wire Gauge | 18 gauge, copper stranded, 5 conductor |
| Power Requirement | 16 - 18VAC, 60Hz @ 50ma. |
| Output Adjustment | Stepped output control for 10 steps @ 1.5dbA each; Continuous output control for fine adjustment; Active spectrum shaping allows 1dBA @ 125Hz to 28dBA @ 8000Hz |
