Nominal Specifications Nominal Diameter 8“, 200 mm Overall Diameter 8.81/8.18“, 223.7/207.9 mm Bolt Circle Diameter 8.27“, 210 mm Baffle Cutout Diameter 7.20“, 183 mm Depth 3.88“, 98.5 mm Flange and Gasket Thickness 0.43“, 10.8 mm Electrical Specifications Minimum Impedance 7 Ohm Nominal Impedance 8 Ohm Nominal Power Handling*** 200 W Maximum Power Handling**** 400 W […]
*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
8” neodymium magnet driver with 1.5” voice coil, providing 200Wrms (AES) continuous power handling
Suitable for line array applications, utilizing a space-efficient octagonal chassis profile
Optimized flux distribution in the magnet assembly provides low harmonic distortion
M-roll surround provides progressive excursion control, generating a smooth frequency response
Intelligent heat management in both chassis and magnet assembly design offers reduced thermal compression
Nominal diameter (mm/in)
203/8
Power Rating (AES, W rms)
200
Nominal impedance (Ω)
8
Voice coil diameter (mm/in)
50.8/2.0
Magnet type
Neodymium
Chassis type
Cast aluminium
Sensitivity (dB)
92
Frequency range (Hz)
70-6000
Coil material
Round copper
Cone material
Kevlar loaded paper
Surround material
Cloth-sealed
Suspension
Single
Xmax (mm/in)
4/0.16
Gap depth (mm/in)
8.0/0.32
Voice coil winding width (mm/in)
15.0/0.63
Small Signal Parameters
D (m/in)
0.17
Fs (Hz)
80.3
Mmd (g/oz)
22.39
Mair
1.94
Qms
1.33
Qes
0.59
Qts
0.41
Re (Ω)
5.85
Vas (lt/ft3)
11.3/0.399
BI (Tm)
11.22
Cms (mm/N)
0.16
Rms (kg/s)
9.6
Le (mH)
Mounting Information
Overall diameter (mm/in)
225/8.8
Overall depth (mm/in)
100/4.16
Cut-out diameter (mm/in)
187/7.4
Mounting slot dimensions (mm/in)
6.5/0.26
Number of mounting slots
8
Mounting slot PCD/ width accross flats
210/8.3
Unit weight (kg/lb)
1.52/3.34
50 mm (2 in) copper voice coil
70 - 3000 Hz response
94 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Shorting copper cap for extended HF response
400 W continuous program power capacity
Ventilated voice coil gap for reduced power compression
Compatible with NEXO PS8
Specifications
Nominal diameter200 mm (8.0 in)
Nominal impedance8 Ω
Minimum impedance6.6 Ω
Nominal power handling *200 W
Continuous power handling *400 W
Sensitivity (1W/1m) *94.0 dB
Frequency range65 - 3000 Hz
Voice coil diameter51 mm (2.0 in)
Winding materialCopper
Former materialGlass Fibre
Winding depth17 mm (0.65 in)
Magnetic gap depth8 mm (0.31 in)
Flux density1.05 T
Design
Surround shapeDouble Roll
Cone shapeExponential
Magnet materialNeodymium Inside Slug
SpiderSingle
Pole designStraight Pole
Woofer cone treatmentTWP Waterproof Both Sides
Recommended enclosure14.0 dm3 (0.49 ft3)
Recommended tuning65 Hz
Parameters *
Fs66 Hz
Re5.3 Ω
Qes0.41
Qms3.6
Qts0.37
Vas14.0 dm3 (0.5 ft3)
Sd220.0 cm2 (34.1 in2)
η₀1.0 %
Xmax7.0 mm
Xvar7.0 mm
Mms28 g
Bl12.4 Txm
Le0.5 mH
EBP160 Hz
Mounting And Shipping Info
Overall diameter225 mm (8.8 in)
Bolt circle diameter210 mm (8.3 in)
Baffle cutout diameter187.0 mm (7.4 in)
Depth90 mm (3.5 in)
Flange and gasket thickness11 mm (0.4 in)
Air volume occupied by driver1.1 dm3 (0.04 ft3)
Net weight1.8 kg (4.0 lb)
Shipping units1
Shipping weight2.2 kg (4.8 lb)
Shipping box300x160x180 mm (11.8x6.3x7.1 in)
96 dB Sensitivity 1 W / 1 m
200 W Power Handling
2" Aluminium Sandwich Voice Coil for low Power Compression
Double treated Cone for Water Protection
Neodymium Magnet System
Triple Aluminum demodulating Rings for ultra low Distortion
Optimal for compact 2- or 3-way Systems
ALPHA- Serie 100W- 200W
Recommended for professional audio and bass guitar applications as a mid-range. Sealed basket makes this
woofer independent of enclosure design.
BETA Serie 225W- 350W
Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable
as a mid-bass speaker in sealed enclosures.
SPECIFICATION
Nominal Basket Diameter 8“, 203.2 mm
Nominal Impedance 8 ohms
Power Rating Watts 225 W / Music Program 450 W
Resonance 65 Hz
Usable Frequency Range 78 Hz - 4.5 kHz
Sensitivity 95.1
Magnet Weight 34 oz.
Gap Height 0.312“, 7.92 mm
Voice Coil Diameter 2“, 50.8 mm
THIELE & Small Parameters
Resonant Frequency (fs) 65 Hz
DC Resistance (Re) 5.99
Coil Inductance (Le) 0.49 mH
Mechanical Q (Qms) 4.95
Electromagnetic Q (Qes) 0.42
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 63 cc
Mechanical Compliance of Suspension (Cms) 0.37 mm/N
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