Small Signal Parameters
| D (m/in) | 0.38/14.96 |
| Fs (Hz) | 26 |
| Mmt (g/oz) | 172.42/6.08 |
| Mmd (g/oz) | 150.81/5.32 |
| Mair | - |
| Qms | 4.33 |
| Qes | 0.29 |
| Qts | 0.27 |
| Re (Ω) | 5.39 |
| Vas (lt/ft3) | 395.56/13.96 |
| BI (Tm) | 22.88 |
| Cms (mm/N) | 0.22 |
| Rms (kg/s) | 6.506 |
| Le (mH) | 1.41 |
Mounting Information
| Overall diameter (mm/in) | 462/18.19 |
| Overall depth (mm/in) | 205/8.07 |
| Cut-out diameter (mm/in) | 416/16.38 |
| Mounting slot dimensions (mm/in) | 7 x 10/0.28 x 0.39 |
| Number of mounting slots | 8 |
| Mounting slot PCD range (mm/in) | 429-440/16.89-17.32 |
| Unit weight (kg/lb) | 9.8/21.6 |
Packed Dimensions and Weight
| Single pack size W x D x H (mm/in) | 500 x 500 x 240/19.7 x 19.7 x 9.4 |
| Single pack weight (kg/lb) | 11.6/25.6 |
| Multipack (24) size W x D x H (mm/in) | 1500 x 1000 x 980/59.1 x 39.4 x 38.6 |
| Multipack (24) weight (kg/lb) | 278/608 |
18 maximum output, 800W AES super vented gap cooling, 8Ω | 18PZB100
- 1400 W continuous program power capacity
- 100 mm (4 in) copper voice coil
- 40 - 2000 Hz response
- 97 dB sensitivity
- Double silicone spider with optimized compliance
- Specifications
- Nominal diameter460 mm (18.0 in)
- Nominal impedance8 Ω
- Minimum impedance6.5 Ω
- Nominal power handling *700 W
- Continuous power handling *1400 W
- Sensitivity (1W/1m) *97.0 dB
- Frequency range40 - 2000 Hz
- Voice coil diameter100 mm (4.0 in)
- Winding materialCopper
- Former materialGlass Fibre
- Winding depth21 mm (0.83 in)
- Magnetic gap depth8 mm (0.31 in)
- Flux density1.15 T
- Design
- Surround shapeDouble Roll
- Cone shapeExponential
- Magnet materialFerrite
- SpiderDouble Silicone
- Pole designStraight Pole
- Woofer cone treatmentTWP Waterproof Both Sides
- Recommended enclosure160.0 dm3 (5.65 ft3)
- Recommended tuning39 Hz
- Parameters *
- Fs30 Hz
- Re5.3 Ω
- Qes0.25
- Qms8.8
- Qts0.24
- Vas297.0 dm3 (10.5 ft3)
- Sd1134.0 cm2 (175.8 in2)
- η₀3.1 %
- Xmax8.0 mm
- Xvar8.0 mm
- Mms170 g
- Bl26.0 Txm
- Le2.1 mH
- EBP120 Hz
- Mounting And Shipping Info
- Overall diameter480 mm (18.0 in)
- Bolt circle diameter440 mm (17.3 in)
- Baffle cutout diameter422.0 mm (16.6 in)
- Depth202 mm (7.95 in)
- Flange and gasket thickness16 mm (0.62 in)
- Air volume occupied by driver9.5 dm3 (0.33 ft3)
- Net weight12.1 kg (26.6 lb)
- Shipping units1
- Shipping weight14.0 kg (30.8 lb)
- Shipping box520x520x240 mm (20.5x20.5x9.4 in)
| |
Nominal Specifications
Nominal Diameter 18“, 460 mm
Overall Diameter 18.11“, 460 mm
Bolt Circle Diameter 17.32“, 440 mm
Baffle Cutout Diameter 16.61“, 422 mm
Depth 7.65“, 194.3 mm
Flange and Gasket Thickness 0.55“, 13.9 mm
Electrical Specifications
Minimum Impedance 6.3 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 1200 W
Maximum Power Handling**** 2400 W
Sensitivity (1W/1m) 98 dB
Frequency Range 35 - 1600 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Kupfer
Former Material Glass Fiber
Winding Depth 1.14“, 28.9 mm
Magnetic Gap Depth 0.47“, 12 mm
Flux Density 1.22 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 35 Hz
DC Resistance (Re) 5 Ohm
BL Product (BL) 24.8 N/A
Diaphragm Mass inc. Airload (Mms) 211.8 grams
Mechanical Compliance of Suspension (Cms) 0.098 mm/N
Rms 4.19 Kg/s
Electromagnetic Q (Qes) 0.38
Mechanical Q (Qms) 11.1
Total Q (Qts) 0.37
Compliance Equivalent Volume (Vas) 6.74 ft³, 190.8 dm³
Surface Area of Cone (Sd) 181.97“², 1174 cm²
Maximum Linear Excursion (Xmax)* 12.45 mm
Xdamage** 21 mm
Coil Inductance (Le) 1.26 mH
Diaphragm mass (Mmd) 189.1 g
Eta Zero 2.1 %
Notes
*Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
**Maximum excursion before permanent damage
***2 Hours Test According to AES 2-1984 Rev. 2003
****Maximum power is defined as 3dB greater than nominal power
| OMEGA PRO-18A Professional Series
Recommended for professional audio as a woofer in vented enclosures. Also ideal for horn loading and scoops.
Product type
Loudspeaker Chassis
Nominal Diameter
457.2 mm
Overall diameter
457.2 mm
Pitch Circle Diameter
438.2 mm
Cut- out Measurement
420.5 mm
Diameter of fixing holes
7.1 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
800 W
maximum rated load
1600 W
Sensitivity (1 W / 1 m)
97 dB
Frequency response
40 - 800 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
25 Hz
Re (DC resistance)
5.2 Ohm(s)
Qms (mechanical quality)
8.18
Le (inductance of the voice coil)
1.67 mH
Qes (electrical quality)
0.32
Qts (overall quality)
0.31
Vas (equivalent volume)
548.7
BL (power factor)
18.8 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.29 mm/N
Sd (membrane area)
1159 cm²
| | Weight | 9.80 kg | 15.00 kg | 12.00 kg | 14 kg | 7.30 kg | 11.25 kg |
| Dimensions | Μ/Δ | Μ/Δ | Μ/Δ | Μ/Δ | Μ/Δ | Μ/Δ |
| Additional information |
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