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

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.
Artikelnummer:
RSB901-1
Levertijd:
Levertijd: 1 werkdag
Beschikbaarheid:
Op voorraad (20)
Reviews:
Bestel 4 voor €24,19 per stuk en bespaar 5%

Bestel 8 voor €22,91 per stuk en bespaar 10%

Bestel 16 voor €21,64 per stuk en bespaar 15%

€29,95 €25,46

Incl. btw
Woofer Series:
Woofer Type: Midwoofer
Nominal Diameter: 4-1/2"
Power Handling (RMS): 30 Watts
Power Handling (max): 60 Watts
Continuous Program Power:
Impedance: 1 ohms
Sensitivity: 91.5 dB 2.83V/1m
Frequency Response: 83 to 15,000 Hz
Voice Coil Diameter: 1"
Magnet Weight:
DC Resistance (Re): 0.76 ohms
Voice Coil Inductance (Le): 0.11 mH
Resonant Frequency (Fs): 83.44 Hz
Mechanical Q (Qms): 2.4
Electromagnetic Q (Qes): 0.43
Total Q (Qts): 0.36
Diaphragm Mass Inc. Airload (Mms): 3.38g
Moving Mass Of Diaphragm (Mmd) :
Mechanical Compliance of Suspension (Cms): 1.08 mm/N
Surface Area of Cone (Sd):
Volume of Displacement (Vd) :
BL Product (BL):
Compliance Equivalent Volume (Vas): 0.24 ft.³
Maximum Linear Excursion (Xmax):
Driver's Mechanical Losses (Rms) :
Cone / Diaphragm Material: Paper
Surround Material: Foam
Voice Coil Wire Material: Copper
Voice Coil Former: Kapton® / Polyimide
Dual Voice Coil:
Basket / Frame Material: Polymer
Magnet Material: Ferrite
Shielded:
Overall Outside Diameter: 5.2"
Overall Depth : 2.17"
Baffle Cutout Diameter: 4.02"
Bolt Circle Diameter:
# Mounting Holes: 3
Mounting Hole Diameter:
Sealed Volume: 0.06 ft.³
Sealed F3: 182 Hz
Vented Volume: 0.14 ft.³
Vented F3: 104 Hz

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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