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PRECISION TRANSDUCERS
R4-20-Y80-QP8
WOOFER
FEATURES
n 0.79 inch inside/outside copper voice coil
n 40 Watt continuous program power handling
n 94 dB sensitivity
n 146Hz-16KHz frequency range
n BL of 3.914 Txm to provide a faster and accurate low frequency
SPECIFICATIONS (General specifications)
NOMINAL DIAMETER: 4 inch / 100 mm RATED IMPEDANCE: 8 ohm
AES POWER HANDLING: 20W MAX. POWER HANDLING: 40 W
SENSITIVITY: 94.0 dB FREQUENCY RANGE: 146 Hz-16KHz
MINIMIM IMPEDANCE: 6.5 ohm VOICE COIL DIAMETER: 0.79 inch / 20 mm
VC WINDING MATERIAL: Copper MAGNETS: Ferrite
OVERALL DIAMETER: 128 mm / 5.04 inches BOLT CIRCLE DIAMETER: 116 mm / 4.57 inch
BAFFLE CUT-OUT DIAMETER: 102 mm / 4.02 inch
Thiele - small parameters
RESONANCE FREQUENCY (FS): 146 Hz DC RESISTANCE (RE): 5.2 ohm
MECHANICAL FACTOR: 5.708 Qms ELECTRICAL FACTOR (QES): 1.017 Qes
TOTAL FACTOR: 0.863 Qts BL FACTOR (BL): 3.914 T x m
EFFECTIVE MOVING MASS (MMS): 2.5 g EQUIVALENT CAS AIR LOADED (VAS): 1.888 liters
EFFETTIVE PISTON AREA (SD): 0.054 m2 VOICE COIL INDUCTANCE @ 1KHZ (LE1K): 0.459 MH
PRECISION TRANSDUCERS
R4-20-Y80-QP8
WOOFER
FEATURES
n 0.79 inch inside/outside copper voice coil
n 40 Watt continuous program power handling
n 94 dB sensitivity
n 146Hz-16KHz frequency range
n BL of 3.914 Txm to provide a faster and accurate low frequency
SPECIFICATIONS (General specifications)
NOMINAL DIAMETER: 4 inch / 100 mm RATED IMPEDANCE: 8 ohm
AES POWER HANDLING: 20W MAX. POWER HANDLING: 40 W
SENSITIVITY: 94.0 dB FREQUENCY RANGE: 146 Hz-16KHz
MINIMIM IMPEDANCE: 6.5 ohm VOICE COIL DIAMETER: 0.79 inch / 20 mm
VC WINDING MATERIAL: Copper MAGNETS: Ferrite
OVERALL DIAMETER: 128 mm / 5.04 inches BOLT CIRCLE DIAMETER: 116 mm / 4.57 inch
BAFFLE CUT-OUT DIAMETER: 102 mm / 4.02 inch
Thiele - small parameters
RESONANCE FREQUENCY (FS): 146 Hz DC RESISTANCE (RE): 5.2 ohm
MECHANICAL FACTOR: 5.708 Qms ELECTRICAL FACTOR (QES): 1.017 Qes
TOTAL FACTOR: 0.863 Qts BL FACTOR (BL): 3.914 T x m
EFFECTIVE MOVING MASS (MMS): 2.5 g EQUIVALENT CAS AIR LOADED (VAS): 1.888 liters
EFFETTIVE PISTON AREA (SD): 0.054 m2 VOICE COIL INDUCTANCE @ 1KHZ (LE1K): 0.459 MH
Q: How Maker hart quote?
A: We will provide FOB price and all based on minimum order quantity (MOQ).
Q: How can I get your quotation?
A: Please provide us information as below:
1. Item Number.
2. Quantity.
3. Company Profile (Name, Tel, Fax, Address, and Webpage)
4. Any Other Relevant Details.
Q: How long is the lead time after placing the order?
A: Lead time depends on a number of factors, such as the stock and production status. Usually the sample orders take about AROUND 1 WEEK, and the mass orders take AROUND THREE WEEKS after the order is placed.
Q: How long does the delivery time take?
A: We send our goods from JIANGMEN, Guangdong, and the delivery time depends on the location of your delivery address, and the shipping way will be Express Service, Sea Shipping, Air Shipping for you reference.
Q: What's your standard package?
A:Carton packaging outside, and also can be with flight case if you need.
Q: Could you do OEM/ODM for customers?
A: Yes, from the product design to packaging, our engineers can design exactly as your requirements. Any kind of logo printing or design is available if your order quantity is good .
Q: How Maker hart quote?
A: We will provide FOB price and all based on minimum order quantity (MOQ).
Q: How can I get your quotation?
A: Please provide us information as below:
1. Item Number.
2. Quantity.
3. Company Profile (Name, Tel, Fax, Address, and Webpage)
4. Any Other Relevant Details.
Q: How long is the lead time after placing the order?
A: Lead time depends on a number of factors, such as the stock and production status. Usually the sample orders take about AROUND 1 WEEK, and the mass orders take AROUND THREE WEEKS after the order is placed.
Q: How long does the delivery time take?
A: We send our goods from JIANGMEN, Guangdong, and the delivery time depends on the location of your delivery address, and the shipping way will be Express Service, Sea Shipping, Air Shipping for you reference.
Q: What's your standard package?
A:Carton packaging outside, and also can be with flight case if you need.
Q: Could you do OEM/ODM for customers?
A: Yes, from the product design to packaging, our engineers can design exactly as your requirements. Any kind of logo printing or design is available if your order quantity is good .
North Industrial Estate, Enping,Guangdong,China
+86-13827098338
+86-0750-7079808/7079818