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Recommended for professional bass guitar applications in a vented enclosure. Also suitable as a professional audio mid-range.
SPECIFICATION
- Nominal Basket Diameter 10“, 254 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 200 W / Music Program 400 W
- Resonance 48 Hz
- Usable Frequency Range 44 Hz - 4 kHz
- Sensitivity 93
- Magnet Weight 45 oz.
- Gap Height 0.312“, 7.92 mm
- Voice Coil Diameter 2“, 50.8 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 48 Hz
- DC Resistance (Re) 6.89
- Coil Inductance (Le) 0.67 mH
- Mechanical Q (Qms) 5.31
- Electromagnetic Q (Qes) 0.42
- Total Q (Qts) 0.39
- Compliance Equivalent Volume (Vas) 65 liters / 2.3 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 104 cc
- Mechanical Compliance of Suspension (Cms) 0.40 mm/N
- BL Product (BL) 11.8 T-M
- Diaphragm Mass inc. Airload (Mms) 28 grams
- Efficiency Bandwidth Product (EBP) 113
- Maximum Linear Excursion (Xmax) 3.0 mm
- Surface Area of Cone (Sd) 344.9 cm²
- Maximum Mechanical Limit (Xlim) 8.0 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed N/A
Vented 18-85 liters/0.63-3 cu.ft. - Overall Diameter 10.25“, 260.4 mm
- Baffle Hole Diameter 9.13“, 231.8 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket N/A
- Mounting Holes Diameter 0.28“, 7.1 mm
- Mounting Holes B.C.D. 9.63“, 244.5 mm
- Depth 4.33“, 110 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented and extended core
Die-cast aluminum basket Paper Cone - Cloth cone edge
- Solid composition paper dust cap
| 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 16 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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- 3'' sandwich voice coil fiberglass former and aluminium winding
- Progressive wave Konex spider
- Cloth surround with DAR technology
- Cone waterproof treatment
- Ventilated voice coil to reduce power compression
- BMF ferrite magnet
- 95.8 dB sensitivity
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High efficiency mid-bass, 2.5” aluminium voice coil,
with very flat response up to 4 kHz.
Specifications
Nominal Diameter 250 mm (10 in.)
Nominal Impedance 8 Ω
Minumum Impedance 6.9 Ω
Power Handling
(60 –600 Hz)
Nominal1 250 W
Continuous Program2 500 W
Sensitivity (1W/1m)3 99 dB
Frequency Range 60-4000 Hz
Voice Coil Diameter 65 mm (2.5 in.)
Winding Material Aluminium
Former Material Glass Fibre
Winding Depth 12 mm (1/2 in.)
Magnetic Gap Depth 8 mm (5/16 in.)
Flux Density 1.25 T
Also available in 16 Ω, data upon request
Thiele & Small Parameters4
Fs 60 Hz
Re 5.7 Ω
Qes 0.19
Qms 6.3
Qts 0.18
Vas 37 dm.3 (1.3 cu. ft.)
Sd 320 cm.2 (49.1 sq. in.)
η0 4.1 %
X max ± 2.4 mm.
Mms 27 gr.
Bl 17.7 Tm
Le 1.3 mH
Mounting and Shipping Informations
Overall Diameter 260 mm. (10.2 in.)
Bolt Circle Diameter 244 mm. (9.6 in.)
Baffle Cutout Diameter 228 mm. (8.8 in.)
Depth 110 mm. (4.3 in.)
Flange and Gasket Thickness 17 mm. (2/3 in.)
Net Weight 7.1 Kg. (15.6 lb.)
Shipping Weight 7.8 Kg. (17.2 lb.)
Shipping Box 320x320x160 mm
(12x12x6.3 in.)
1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the
specified range . Power calculated on rated minimum impedance. Loudspeaker in
free air.
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
3 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal
Impedance. Average SPL from 200 to 4000 Hz.
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning
test.
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| 600 W continuous program power capacity |
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| 64 mm (2.5 in) copper voice coil |
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| 50 – 2500 Hz response |
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| 96 dB sensitivity |
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| Neodymium magnet allows a very light yet powerful motor assembly |
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| Shorting copper cap for extended HF response |
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| Ventilated voice coil gap for reduced power compression |
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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 9.06“, 230 mm
Depth 5.56“, 141.3 mm
Flange and Gasket Thickness 0.49“, 12.5 mm
Electrical Specifications
Minimum Impedance 7.3 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 700 W
Maximum Power Handling**** 1,400 W
Sensitivity (1W/1m) 96 dB
Frequency Range 60 - 4000 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Aluminium
Former Material Glass Fiber
Winding Depth 0.87“, 22 mm
Magnetic Gap Depth 0.47“, 12 mm
Flux Density 1.3 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 60 Hz
DC Resistance (Re) 5.5 Ohm
BL Product (BL) 25.7 N/A
Diaphragm Mass inc. Airload (Mms) 72.5 grams
Mechanical Compliance of Suspension (Cms) 0.096 mm/N
Rms 4.58 Kg/s
Electromagnetic Q (Qes) 0.22
Mechanical Q (Qms) 6.01
Total Q (Qts) 0.23
Compliance Equivalent Volume (Vas) 0.55 ft³, 15.65 dm³
Surface Area of Cone (Sd) 52.5“², 339 cm²
Maximum Linear Excursion (Xmax)* 9 mm
Xdamage** 12.5 mm
Coil Inductance (Le) 0.85 mH
Diaphragm mass (Mmd) 69 g
Eta Zero 1.46 %
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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