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        RSB901-1 Replacement Bass-midwoofer

        RSB901-1 Replacement Bass-midwoofer

        €41,95

        GRS RSB901-1 Replacement Bass-midwoofer

        13 reviews
        5 van 5
        13 reviews
        5 sterren
        69%
        4 sterren
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        Merk: GRS
        € 34,67€ 41,95 10+ Op voorraad
        • -10% Bestel 8 voor slechts € 37,76 per stuk
        • -15% Bestel 16 voor slechts € 35,66 per stuk

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        Productomschrijving

        This driver's parameters were carefully optimized to match the performance of the classic Bose® 901® loudspeaker systems. Individually or in multiples, replacing your legendary but aging speakers has never been easier—or achieved better results.

         

        Highlights

        • Drop-in replacement for Bose 901 drivers
        • Each individual driver is hand checked and tested
        • Fits Series III, IV, V and VI models, and more
        • Optimized cone/coil/suspension for linearity and reliability
        • 1 ohm nominal impedance
        • Premium-quality motor structure maximizes performance

         

        Product details

        GRS RSB901-1 Replacement Speaker Driver for Bose 901 4-1/2" 1 Ohm

         

        This driver's parameters were carefully optimized to match the performance of the classic Bose® 901® loudspeaker systems. Individually or in multiples, replacing your legendary but aging speakers has never been easier—or achieved better results. The top plate and T-yoke are Japanese-made cold forged low carbon steel. The flat back plate provides a uniform surface area to which the magnet is bonded, and the outside of the back plate is chamfered to maximize flux density in the gap. Critical attention has been paid to the pole piece and voice coil tolerances, thereby assuring high yield and immunity to mechanical issues. High-grade Y-35 strontium ferrite magnet material is utilized in the motor structure to ensure consistent motor force. The cone is made of long fiber New Zealand blue color pulp paper, an ideal material for cone applications and the foam surround of this driver make it almost identical to the original manufacturers appearance, design and performance. It's rigid and just "lossy" enough to produce full, accurate sound. A 2-layer low oxygen copper voice coil is wound on a high temperature resistant polyimide former. Every driver is hand checked and tested, based on a ±2 dB window.

         

        NOTE:This driver has an impedance of 1 ohm, and should be used only to replace the 4-1/2" driver in the Bose 901 (Series III or later) and Bose 802™ loudspeakers. Compatibility with other Bose loudspeaker models or automotive audio systems has not been verified. This product is not manufactured or distributed by Bose Corporation™, the owner of the registered trademarks BOSE®, BOSE 802™ and BOSE 901®.

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        Specificaties

        Artikelnummer
        RSB901-1
        Woofer type
        Midwoofer
        Nominale diameter
        4-1/2"
        Belastbaarheid (RMS)
        30 Watts
        Belastbaarheid (max)
        60 Watts
        Impedantie (Z)
        1 Ohm
        Gevoeligheid (SPL bij 1m / 2.83V)
        91.5 dB
        Frequentierespons
        83 to 15,000 Hz
        Spreekspoeldiameter
        1"
        Gelijkstroomweerstand (Re)
        0.76 ohms
        Spreekspoelinductie (Le)
        0.11 mH
        Resonantiefrequentie (Fs)
        83.4 Hz
        Mechanische Q (Qms)
        2.4
        Elektrische Q (Qes)
        0.43
        Totale Q (Qts)
        0.36
        Bewegende massa (Mms)
        3.38g
        Compliantie van de ophanging (Cms)
        1.08 mm/N
        Effectief oppervlak (Sd)
        66.6 cm2
        Krachtsfactor (BL)
        1.767 Tm
        Equivalentvolume (Vas)
        0.24 ft.³
        Cone / Diaphragm Material
        Paper
        Surroundmateriaal
        Foam
        Spreekspoel draadmateriaal
        Copper
        Spreekspoel vormermateriaal
        Kapton® / Polyimide
        Mand- /framemateriaal
        Polymer
        Magneetmateriaal
        Ferrite
        Totale buitendiameter
        5.2"
        Totale diepte
        2.17"
        Montagegatdiameter
        4.02"
        # Bevestigingsgaten
        3
        Gesloten volume
        0.06 ft.³
        Gesloten F3
        182 Hz
        Gepoort volume
        0.14 ft.³
        Gepoort F3
        104 Hz

        Toon meer

        5 van 5
        Binnen 24 uur product in huis. Super!
        Door Arjan on 7 Februari 2024
        5 van 5
        -
        Door Nicky on 6 Juli 2023
        Toon meer
        RSB901-1 Replacement Bass-midwoofer
        € 34,67
        € 41,95
        RSB901-1 Replacement Bass-midwoofer
        10+ Op voorraad
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