94 dB sensitivity 1 W / 1 m 250 W Power handling 2″ voice coil Double treated cone for water protection Neodymium magnet system Tripie aluminum demodulating rings for ultra low distortion Optimal for compact 2-way systems Light weight carbon fibre diaphragm
Tripie aluminum demodulating rings for ultra low distortion
Optimal for compact 2-way systems
Light weight carbon fibre diaphragm
93 dB sensitivity 1 W / 1 m
200 W + 80 W Power Handling
2" + 1.75" Sandwich Voice Coil
Single Point Source providig coherent Wave Front
90° conical Dispersion
Optimal for compact 2- or 3-way Systems
2'' voice coil Kapton former
Ventilated magnet and voice coil to reduce power compression
94.6 dB sensitivity
Manual/Εγχειρίδιο
ALPHA- Serie 100W- 200W
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented
satellite enclosure.
SPECIFICATION
Nominal Basket Diameter 8“, 203.2 mm
Nominal Impedance 8 ohms
Power Rating Watts 125 W / Music Program 250 W
Resonance 73 Hz
Usable Frequency Range 58 Hz - 5 kHz
Sensitivity 94
Magnet Weight 20 oz.
Gap Height 0.25“, 6.35 mm
Voice Coil Diameter 1.5“, 38.1 mm
THIELE & Small Parameters
Resonant Frequency (fs) 73 Hz
DC Resistance (Re) 5.3
Coil Inductance (Le) 0.44 mH
Mechanical Q (Qms) 4.6
Electromagnetic Q (Qes) 0.68
Total Q (Qts) 0.59
Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 67 cc
Mechanical Compliance of Suspension (Cms) 0.28 mm/N
BL Product (BL) 7.8 T-M
Diaphragm Mass inc. Airload (Mms) 17 grams
Efficiency Bandwidth Product (EBP) 107
Maximum Linear Excursion (Xmax) 3.2 mm
Surface Area of Cone (Sd) 210.0 cm²
Maximum Mechanical Limit (Xlim) 7.1 mm
MOUNTING Information
Recommended Enclosure Volume
Sealed 5-7 liters / 0.18-0.25 cu. ft.
Vented 16.7-25.5 liters / 0.59-0.90 cu. ft.
Overall Diameter 8.24“, 209.2 mm
Baffle Hole Diameter 7.13“, 181 mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.22“, 5.5 mm
Mounting Holes B.C.D. 7.75“, 196.9 mm
Depth 3.25“, 83 mm
MATERIALS of Construction
Copper voice coil
Polyimide former
Ferrite magnet
Vented core
Pressed steel basket
Paper Cone
Cloth cone edge
Solid composition paper dust cap
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
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
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