| Content | Χαρακτηριστικά
Product type
Loudspeaker Chassis
Overall diameter
309.12 mm
Pitch Circle Diameter
298.45 mm
Cut- out Measurement
282.7 mm
Diameter of fixing holes
6.1 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
150 W
Sensitivity (1 W / 1 m)
101.4 dB
Frequency response
80 - 3800 Hz
Voice Coil Material
Aluminium
Fs (Resonance Frequency)
82 Hz
Re (DC resistance)
7.46 Ohm(s)
Qms (mechanical quality)
14.28
Le (inductance of the voice coil)
0.43 mH
Qes (electrical quality)
0.44
Qts (overall quality)
0.43
Vas (equivalent volume)
47.22
BL (power factor)
16.31 T/m
Xmax (maximum displacement)
2.22 mm
Cms (elasticity of the suspension)
0.12 mm/N
Sd (membrane area)
532.4 cm²
| Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
12 "
Nominal Diameter
304.8 mm
Voice Coil
3 "
Voice Coil
76.2 mm
Overall diameter
314.5 mm
Pitch Circle Diameter
293.8 mm
Cut- out Measurement
281.1 mm
Diameter of fixing holes
6.5 mm
Depth
158 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
500 W
maximum rated load
1000 W
Sensitivity (1 W / 1 m)
97.1 dB
Frequency response
57 - 2800 Hz
Voice Coil Material
copper
Magnet
Ferrite
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
37 Hz
Re (DC resistance)
5.46 Ohm(s)
Qms (mechanical quality)
6.93
Le (inductance of the voice coil)
1.22 mH
Qes (electrical quality)
0.25
Qts (overall quality)
0.24
Vas (equivalent volume)
121
Mms (moving mass)
59 g
BL (power factor)
17.3 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.32 mm/N
Sd (membrane area)
519.5 cm²
Weight
8,35 kg |
| 400 W continuous program power capacity |
| | 70° nominal coverage |
| | 60 – 18000 Hz response |
| | 96 dB sensitivity |
| | Single Neodymium magnet assembly |
| | XO-6 dedicated crossover network |
| BETA- 12A Series Standard American
Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also
works well for PA in a sealed or bandpass enclosure.
SPECIFICATION
- Nominal Basket Diameter 12", 304.8 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 250 W / Music Program 500 W
- Resonance 47 Hz
- Usable Frequency Range 43 Hz - 3.8 kHz
- Sensitivity 98
- Magnet Weight 38 oz.
- Gap Height 0.312", 7.92 mm
- Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 47 Hz
- DC Resistance (Re) 5.0
- Coil Inductance (Le) 0.64 mH
- Mechanical Q (Qms) 6.00
- Electromagnetic Q (Qes) 0.50
- Total Q (Qts) 0.46
- Compliance Equivalent Volume (Vas) 120.1 liters / 4.2 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 237 cc
- Mechanical Compliance of Suspension (Cms) 0.29 mm/N
- BL Product (BL) 10.8 T-M
- Diaphragm Mass inc. Airload (Mms) 40 grams
- Efficiency Bandwidth Product (EBP) 94
- Maximum Linear Excursion (Xmax) 4.4 mm
- Surface Area of Cone (Sd) 538.9 cm²
- Maximum Mechanical Limit (Xlim) 11 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 25.5-35.4 liters, 0.9-1.25 cu.ft.
Vented 36.8-139 liters/1.3-4.9 cu.ft.
- Overall Diameter 12.03", 305.5 mm
- Baffle Hole Diameter 10.95", 278.1 mm
- Front Sealing Gasket standard fitted as standard
- Rear Sealing Gasket standard fitted as standard
- Mounting Holes Diameter 0.25", 6.4 mm
- Mounting Holes B.C.D. 11.59", 294.3 mm
- Depth 4.57", 116 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented and extended core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
|
Μεγάφωνο subwoofer 12“, 700W, 93dΒ,
| 1400 W continuous program power capacity |
|
| 100 mm (4 in) copper voice coil |
|
| 45 – 1000 Hz response |
|
| 93 dB sensitivity |
|
| Double silicone spider with optimized compliance |
|
DELTA-12A Standard American
Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.
SPECIFICATION - Nominal Basket Diameter 12“, 304.8 mm
- Nominal Impedance 16 ohms
- Power Rating Watts 400 W / Music Program 800 W
- Resonance 55 Hz
- Usable Frequency Range 54 Hz - 5 kHz
- Sensitivity 98.3
- Magnet Weight 56 oz.
- Gap Height 0.375“, 9.53 mm
- Voice Coil Diameter 2.5“, 63.5 mm
THIELE & Small Parameters - Resonant Frequency (fs) 55 Hz
- DC Resistance (Re) 6.3
- Coil Inductance (Le) 0.74 mH
- Mechanical Q (Qms) 5.27
- Electromagnetic Q (Qes) 0.46
- Total Q (Qts) 0.43
- Compliance Equivalent Volume 81.3 liters (Vas) 81.3 liters / 2.9 cu. ft.
- Peak Diaphragm Displacement Volume 125 cc
- Mechanical Compliance of Suspension 0.21 mm/N
- BL Product (BL) 13.5 T-M
- Diaphragm Mass inc. Airload (Mms) 39 grams
- Efficiency Bandwidth Product (EBP) 120
- Maximum Linear Excursion (Xmax) 2.4 mm
- Surface Area of Cone (Sd) 519.5 cm²
- Maximum Mechanical Limit (Xlim) 9.9 mm
MOUNTING Information - Recommended Enclosure Volume
Sealed N/A
Vented 25.5-85 liters/0.9-3 cu.ft. - Overall Diameter 12.03“, 305.5 mm
- Baffle Hole Diameter 10.95“, 278.1 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.25“, 6.4 mm
- Mounting Holes B.C.D. 11.59“, 294.3 mm
- Depth 5.35“, 136 mm
MATERIALS of Construction - Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition felt dust cap
|
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