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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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Description
Lowell 4A30 Coaxial Speaker - 4inThe coaxial 4 (EIA 5) driver shall be Lowell Model 4A30. It shall have a high frequency transducer (tweeter with 1 dia. balanced drive dome) and low frequency transducer (4 dia. polypropylene cone). A built in electrical crossover network shall be employed for proper frequency divisions. Crossover frequency shall be at 5kHz with a first order high pass filter. The 4A30 shall be capable of producing a uniform audible frequency response over the range
The coaxial 4” (EIA 5”) driver shall be Lowell Model 4A30. It shall have a high frequency transducer (tweeter with 1” dia. balanced drive dome) and low frequency transducer (4” dia. polypropylene cone). A built-in electrical crossover network shall be employed for proper frequency divisions. Crossover frequency shall be at 5kHz with a first order high-pass filter. The 4A30 shall be capable of producing a uniform audible frequency response over the range of 81Hz-20kHz (+6dB); 50Hz-20kHz (+8.1dB) with dispersion angle of 135 degrees @2000Hz -6dB. Average sensitivity shall measure 87.8dB (SPL at 1W/1M). Power rating shall be 30 watts (EIA 426B). The low frequency voice
coil shall have 1″ diameter and operate in a magnetic field derived from a ferrite (ceramic) magnet with nominal weight of 10 oz. The high frequency voice coil shall have a 0.53″ dia. and operate in a magnetic field derived from a Neodymium magnet with nominal weight of 0.06 oz. Voice coil impedance shall be 8 ohms. The assembly shall have a round, structurally reinforced, stamped 20-gauge steel frame to maintain precise mechanical alignment. Overall diameter shall be 5″ with four round and four obround holes equally spaced on a 4.66″ dia. mounting bolt circle. Mounting depth shall not exceed 2.25″. External metal parts shall be finished in black enamel paint or zinc plating.
Specifications
- Description: 4 in. 30W coaxial driver with 10 oz. magnet, 1″ copper voice coil, and polypropylene cone with half-roll rubber surround for long cone travel and good edge damping
- Basket: 20-ga. stamped steel, black enamel paint
- Mounting Depth: 2.25 in.
- Mounting Bolt Circle: 4.66 in.
- Dispersion Angle: 135 degrees conical
- Frequency Response: 81Hz-20kHz (±6dB); 50Hz-20kHz (±8.1dB)
- Average Sensitivity: 87.8dB
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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