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| Διαθέσιμο κατόπιν παραγγελίας
| Διαθέσιμο κατόπιν παραγγελίας
| Διαθέσιμο κατόπιν παραγγελίας
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| Content | Μεγάφωνο 8” χαμηλών και μεσαίων συχνοτήτων, χάρτινου κώνου με σκληρή ανάρτηση, ισχύος 80Watt RMS / 160Watt Max στα 4Ω. Διαθέτει διάμετρο πηνίου φωνής 1.5” με απόκριση συχνότητας από 60Hz εως 5KHz. dBM Electronics
Τεχνικά Χαρακτηριστικά:
woofer 8''
Cloth-edge paper cone
Μαγνήτης : 30oz
Πηνίο : 1.5''
Εμπέδηση : 4ohm
Ευαισθησία : 94db
Ισχύς rms : 80Wrms
Aπόκριση συχνότητας : 60Hz - 5KHz
| 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
- BL Product (BL) 9.6 T-M
- Diaphragm Mass inc. Airload (Mms) 16 grams
- Efficiency Bandwidth Product (EBP) 156
- Maximum Linear Excursion (Xmax) 3.0 mm
- Surface Area of Cone (Sd) 210.0 cm²
- Maximum Mechanical Limit (Xlim) 7.4 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 5.7-9.9 liters/0.2-0.35 cu.ft.
Vented 8.5-19 liters/0.3-0.67 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 3.5“, 89 mm
MATERIALS of Construction
- Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition pape dust cap
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- 2'' voice coil Kapton former
- Ventilated magnet and voice coil to reduce power compression
- 94.6 dB sensitivity
Manual/Εγχειρίδιο
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- 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
| Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
8 "
Nominal Diameter
200 mm
Voice Coil
1.46 "
Voice Coil
37 mm
Overall diameter
209.2 mm
Pitch Circle Diameter
196.9 mm
Cut- out Measurement
178 mm
Mounting holes
8
Diameter of fixing holes
6 mm
Depth
89 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
130 W
maximum rated load
260 W
Sensitivity (1 W / 1 m)
95 dB
Frequency response
60 - 5000 Hz
Voice Coil Material
Aluminum
Magnet
Ferrite
Depth of the magnetic gap
6 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
80 Hz
Re (DC resistance)
5.9 Ohm(s)
Qms (mechanical quality)
13
Le (inductance of the voice coil)
0.44 mH
Qes (electrical quality)
0.66
Qts (overall quality)
0.63
Vas (equivalent volume)
13.6
Mms (moving mass)
15 g
BL (power factor)
8.2 T/m
Xmax (maximum displacement)
4.67 mm
Cms (elasticity of the suspension)
0.36 mm/N
Sd (membrane area)
191 cm²
Rms (mechanical loss resistance)
0.6 kg/s
Weight
2,2 kg |
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.
SPECIFICATION - Nominal Basket Diameter 8“, 203.2 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 125 W / Music Program 250 W
- Resonance 514 Hz
- Usable Frequency Range 400 Hz - 4.8 kHz
- Sensitivity 100.9
- 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) 514 Hz
- DC Resistance (Re) 7.32
- Coil Inductance (Le) 0.34 mH
- Mechanical Q (Qms) 4.48
- Electromagnetic Q (Qes) 2.08
- Total Q (Qts) 1.42
- Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 0cc
- Mechanical Compliance of Suspension (Cms) 0.01 mm/N
- BL Product (BL) 8.9 T-M
- Diaphragm Mass inc. Airload (Mms) 6.9 grams
- Efficiency Bandwidth Product(EBP) 247
- Maximum Linear Excursion (Xmax) 1.6 mm
- Surface Area of Cone (Sd) 205.9 cm²
- Maximum Mechanical Limit (Xlim) 3.0 mm
MOUNTING Information - Recommended Enclosure Volume
Sealed N/A
Vented N/A - Overall Diameter 8.22“, 208.8 mm
- Baffle Hole Diameter 7.19“, 182.5 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
- Pressed steel basket with closed back
- Paper Cone
- Paper cone edge
- Solid composition paper dust cap
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