BEYMA 8G40 4ohm LOW FREQUENCY, Resonant frequency, fs - 70 Hz W/ Die-Cast Aluminum
Features
- THE BEYMA 8G40 4" LOW FREQUENCY SPEAKER HANDLES 250 WATTS AES & 500 WATTS PROGRAM POWER HANDLING
- FEATURES A LARGE 2.5" VOICE COIL & AN XMAX OF 4.5MM FOR POWERFUL CLEAN BASS
- DELIVERS TIGHT SOUNDING BASS WITH CLEAN MIDS UP TO 6KHZ
- FOR ALL HIGH QUALITY BASS APPLICATIONS INCLUDING BASS GUITAR CABINETS, SMALL PA SYSTEMS, ETC.
Specifications
- Nominal Basket Diameter : 8" / 200mm
- Impedance : 4 ohms
- AES Power Rating : 250 Watts
- Program Power : 500 Watts
- Frequency Response : 65Hz - 6.0kHz
- Sensitivity (1W/1m) : 95dB
- Voice Coil Diameter : 2.5" / 62.4mm
- Recom. Enclosure Volume : .35-1.06 ft3 / 10-30 Liters
- Voice Coil Length : 16 mm
- Air Gap Height : 7 mm
- X Damage (peak to peak) : 23 mm
- BL Factor : 12.2 N/A
- Magnetic Assembly Weight : 6.6 lb. / 3 kg.
Mounting Information
- Overall Diameter : 8.35" / 212mm
- Bolt Circle Diameter : 7.8" / 198mm
- Baffle Cutout Diameter-
- Front Mount 7.125" / 181mm
- Rear Mount 7.125" / 181mm - No. Of Mounting Holes : 8
- Volume Displaced By Driver : 0.05 ft3 / 2 Liters
- Overall Depth : 3.78" / 96mm
- Net Weight : 7.26 lb. / 3.3 kg.
- Shipping Weight 7.6 lb. / 3.45 kg.
Materials
- Basket : Die-Cast Aluminum
- Cone : Paper
- Spider : Treated Cotton Fiber
- Surround : Treated Cloth
- Voice Coil : Aluminum Wire
- Former : Fiber Glass
- Metal Parts : Anti-Corrosion
- Magnet : High Currie Temperature Ferrite
Thiele-Small Parameters
- Resonant Frequency (fs) : 70 Hz
- Impedance (Re) : 6.1 ohms
- Coil Inductance (Le) : 1.3 mH
- Mechanical Q (Qms) : 6.83
- Electrical Factor (Qes) : .38
- Total Q (Qts) : .36
- Comp. Equivelant Vol. (Vas) : .6 ft3 / 17 Liters
- Voice Coil Overhang (Xmax) : 6.5 mm
- Surface Area of Cone (Sd)m2 : 0.0220m2
- Diaphragm Mass (Mms) : 21 Grams
- Reference Efficiency : 1.5%
- Displacement Volume (Vd) : 99 cm3
UPC
- 8435469000537