Products
18 PT 2500/4 SUB
18 PT 2500/4 SUB – “4-LAYER
POWERHOUSE”
Built for systems that need more force and more
power, the 18 PT 2500/4 SUB is the step up from the
18 PT 2000 SUB. Its 6-inch, four-layer copper voice
coil delivers a motor strength (Bl) of 63.58 T·m and
handles 2500 watts AES. With ±12.5 mm of voice coil
overhang it moves serious air on DJ gigs, processions
and large PA setups.
The four-layer coil gives this driver an exceptionally
strong motor: total Q (Qts) is just 0.29, so the cone
stays tightly controlled and the bass stays punchy at
high drive levels. Free-air resonance (Fs) is 49 Hz in
small-signal measurement and moves down to about
35 Hz at working excursion (Klippel LSI), so the driver
covers the 35–120 Hz subwoofer band in the
enclosures recommended below. It is intended for use
with an active crossover or DSP.
Key Features
- Program Power : 5000 W
- Voice Coil Diameter : 152 mm (6.0 in)
- Response : 50-1800 Hz
- Sensitivity 1W/1M : 93.5 dB
- Nominal Diameter 464 mm
- Nominal Impedence 8 Ω
- Nominal Power Handling(AES) 2500 W
- Program Power 5000 W
- Sensitivity (1W/1m) 93.5 dB
- Frequency Range 50-1800 Hz
- Magnet Material Ferrite
- Voice Coil Diameter 152 mm (6.0 in)
- Winding Material COPPER
- Former Material GLASS FIBRE
- Winding Type 4-Layer
- Resonant Frequency (FS) 49 Hz
- DC Resistance (Re) 6.19 Ω
- Electrical Q (Qes) 0.29
- Mechanical Q (Qms) 16.07
- Total Q (Qts) 0.29
- Compliance Equivalent Volume (vas) 35.89 Ltrs
- Peak Diaphragm Displacement Volume (Vd) 35.89 Ltrs
- Effective Surface Area of Cone (Sd) 1225.42 cm²
- Reference Efficiency (ƞo) 1.42%
- Moving Mass including air load (Mms) 616 gms
- Motor Strength (Bl) 63.58 T-m
- Voice Coil Inductance @ 1 KHz (Le) 4.22 mH
- Efficiency Bandwith Product (EBP) 169 Hz
- Voice Coil Overhang (Xmax) ±12.5 mm
- Overall Diameter 464 mm
- Bolt Circle Diameter 445 mm
- Baffle Cutout Diameter 420 mm
- Depth 214 mm
- Flange and Gasket Thickness 16 mm
- Gross Weight 48 Kgs
- Recone Kit Number REC18PT2500SUB4
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