| Content | BETA-10A American Standard Series
Recommended for professional audio, bass guitar, mid-bass or floor monitor applications in sealed enclosures.
Also works well as a mid-bass or woofer in vented enclosures.
SPECIFICATION
- Nominal Basket Diameter 10", 254 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 250 W / Music Program 500 W
- Resonance 53 Hz
- Usable Frequency Range 51 Hz - 3.8 kHz
- Sensitivity 97
- Magnet Weight 34 oz.
- Gap Height 0.312", 7.92 mm
- Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 53 Hz
- DC Resistance (Re) 5.75
- Coil Inductance (Le) 0.67 mH
- Mechanical Q (Qms) 8.14
- Electromagnetic Q (Qes) 0.52
- Total Q (Qts) 0.49
- Compliance Equivalent Volume (Vas) 60.1 liters / 2.1 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 102 cc
- Mechanical Compliance of Suspension (Cms) 0.36 mm/N
- BL Product (BL) 9.6 T-M
- Diaphragm Mass inc. Airload (Mms) 25 grams
- Efficiency Bandwidth Product (EBP) 103
- Maximum Linear Excursion (Xmax) 3.0 mm
- Surface Area of Cone (Sd) 344.9 cm²
- Maximum Mechanical Limit (Xlim) 8.6 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 8.5-14.2 liters/0.3-0.5 cu.ft.
Vented 19.8-70.8 liters/0.7-2.5 cu.ft.
- Overall Diameter 10.11", 256.8 mm
- Baffle Hole Diameter 9.13", 231.8 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.23", 5.7 mm
- Mounting Holes B.C.D. 9.6", 243.8 mm
- Depth 3.98", 101 mm
MATERIALS of Construction
- Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
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Nominal Specifications
* Nominal Diameter 10“, 250 mm
* Overall Diameter 10.28“, 261 mm
* Bolt Circle Diameter 9.69“, 246 mm
* Baffle Cutout Diameter 9.13“, 232 mm
* Depth 4.54“, 115.3 mm
* Flange and Gasket Thickness 0.48“, 12.2 mm
Electrical Specifications
* Minimum Impedance 6.4 Ohm
* Nominal Impedance 8 Ohm
* Nominal Power Handling*** 300 W
* Maximum Power Handling**** 600 W
* Sensitivity (1W/1m) 98 dB
* Frequency Range 60 - 5000 Hz
* Voice Coil Diameter 2.5“, 65 mm
* Winding Material Aluminium
* Former Material Glass Fiber
* Winding Depth 0.49“, 12.5 mm
* Magnetic Gap Depth 0.31“, 8 mm
* Flux Density 1.25 T
THIELE & SMALL Parameters
* Resonant Frequency (fs) 60 Hz
* DC Resistance (Re) 5.4 Ohm
* BL Product (BL) 14.1 N/A
* Diaphragm Mass inc. Airload (Mms) 28.2 grams
* Mechanical Compliance of Suspension (Cms) 0.25 mm/N
* Rms 1.77 Kg/s
* Electromagnetic Q (Qes) 0.28
* Mechanical Q (Qms) 5.81
* Total Q (Qts) 0.26
* Compliance Equivalent Volume (Vas) 1.35 ft³, 38.4 dm³
* Surface Area of Cone (Sd) 49.6“², 320 cm²
* Maximum Linear Excursion (Xmax)* 4.92 mm
* Xdamage** 14 mm
* Coil Inductance (Le) 0.6 mH
* Diaphragm mass (Mmd) 24.9 g
* Eta Zero 2.62 %
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
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DELTA-10A Series Standard American
Recommended for professional audio and bass guitar applications as a woofer/mid-bass or mid-range in vented monitors, satellites and multi-way enclosures.
Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
10 "
Nominal Diameter
254 mm
Voice Coil
2.5 "
Voice Coil
63.5 mm
Overall diameter
256.2 mm
Pitch Circle Diameter
245.4 mm
Cut- out Measurement
232.4 mm
Diameter of fixing holes
6.4 mm
Depth
108 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
350 W
maximum rated load
700 W
Sensitivity (1 W / 1 m)
98.8 dB
Frequency response
63 - 3700 Hz
Voice Coil Material
Aluminium
Magnet
Ferrite
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
66 Hz
Re (DC resistance)
5.42 Ohm(s)
Qms (mechanical quality)
6.53
Le (inductance of the voice coil)
0.74 mH
Qes (electrical quality)
0.35
Qts (overall quality)
0.33
Vas (equivalent volume)
30.5
Mms (moving mass)
32 g
BL (power factor)
14.4 T/m
Xmax (maximum displacement)
3.5 mm
Cms (elasticity of the suspension)
0.18 mm/N
Sd (membrane area)
344.9 cm²
Weight
5,17 kg
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Nominal Diameter 250 mm (10 in)
Overall Diameter 256.8 mm (10.1 in)
Bolt Circle Diameter 243.8 mm (9.60 in)
Baffle Cutout Diameter 233.8 mm (9.20 in)
Depth 102 mm (4.02 in)
Flange and Gasket Thickness 8 mm (0.31 in)
Net Weight 2.25 Kg (4.96 lb)
Shipping Box
(Single Carton Box) 140x280x282 mm (5.51x11.02x11.10 in)
Shipping Weight 2.6 Kg (5.73 lb)
Nominal Impedance 8 Ohm
Minimum Impedance 6.8 Ohm
Nominal Power Handling *** 150 W
Maximum Power Handling **** 300 W
Sensitivity (1W/1m) 96 dB
Frequency Range 50÷4500 Hz
Voice Coil Diameter 37 mm (1.46 in)
Winding Material Al
Former Material Kapton
Winding Depth 12 mm (0.47 in)
Magnetic Gap Depth 8 mm (0.31 in)
Flux Density 1 T
Fs 55 Hz
Re 5.9 Ohm
Qes 0.7
Qms 9
Qts 0.6
Vas 44 dm^3 (1.55 ft^3)
Sd 327.7 cm^2 (50.79 in^2)
Xmax * 4.67 mm
Xdamage ** 10.4 mm
Mms 22.5 g
Bl 8.2 N/A
Le 0.42 mH
Mmd 20 g
Cms 0.3 mm/N
Rms 0.9 Kg/s
Eta Zero 1.4 %
EBP 79 Hz
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| 400 W continuous program power capacity |
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| 70° nominal coverage |
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| 60 – 18000 Hz response |
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| 94 dB sensitivity |
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| Single Neodymium magnet assembly |
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| XO-5 dedicated crossover network |
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