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Precision Devices PD.188 - 18" 600W 8 Ohm
Designed to provide superlative performance when used in either a horn-loaded or reflex enclosure where fast accurate lows are demanded. An exemplary choice for upgrade or replacement situations where the capability of the PD.188 to "drop in" and provide outstanding bass response makes this a versatile, popular and highly effective unit.
Well suited to use with PD.107/PD.121 and PD.C2/PD.C14 to produce direct radiating/horn loaded systems where the double suspension system allows it to thrive in the demanding touring sector.
- Heavy duty 18" cast aluminium frame with extra wide flange for increased rigidity
- 600WRMS
- 4" copper voice coil assembly
- 125 oz. ceramic magnet
- A B/L in excess of 29 T/m for fast accurate lows
- Double suspension maintains pure piston action for the moving mass even when driven with the most complex programme input signals and provides additional durability against the rigours of life on the road
The Recone kit for the PD.188 is common to both the Mark 1 and the Mark 2
Specifications
- Nominal Diameter 460 mm / 18"
- Voice Coil Diameter 101 mm / 4.0"
- Nominal Impedance 8 Ω
- Power Rating 600 w (A.E.S.)
- Peak Power (6dB Crest Factor) 2400 w (A.E.S.)
- Sensitivity (1w / 1m) 97.5 dB
- Frequency Range 40 Hz - 3.5 kHz
- Recommended Enclosure Volume 100 - 350 Litres
- Resonance 36.22 Hz
- Voice Coil Winding Depth 19 mm / 0.75"
- Magnet Gap Depth 11 mm / 0.43"
- Flux Density Tesla 1.1 Tesla
- Magnet Material Ceramic
- Voice Coil Material Copper
- Former Material Glass Fibre
- Dust Dome Material Paper
- Suspension Material Dual Fabric
- Cone Surround Material Paper / Fabric
Thiele Small Parameters
- Fs 36.22 Hz
- Re 5.86 Ω
- Qms 13.04
- Qes 0.27
- Qts 0.26
- Le 1.55 mh
- L2 3.02 mh
- R2 7.92 Ω
- Vas 201.69 litres
- Mms 173.02 g
- Sd 1134.11 cm2
- Cms 111.5 µm/N
- BL 29.28 T/m
- Xmax 6 mm
- Vd 0.68 litres
- Ref. Efficiency 3.92%
Mounting and Shipping Information
- Overall Diameter 474 mm
- Width Across Flats 458 mm
- Flange Height 13 mm
- Depth (Excl. Flange) 174 mm
- Magnet Diameter 220 mm
- Chassis Shoulder Diameter 415 mm
- Outer Bolt Circle 6 * M8 on 456mm PCD
- Inner Bolt Circle N/A
- Nett Weight 14 Kg / 30.86 lb.
- Shipping Weight 15.25 Kg / 33.62 lb.
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Precision Devices PD.188 - 18" 600W 8 Ohm PDF data sheet (592 kb)
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