Bose Style 901, Bose 802, 4.5
4.5" Bose Style Replacement Full Range F-901

Bose Style 901, Bose 802, 4.5" Full Range Replacement Speaker Driver, 1 Ohm, F-901

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Bose Style 901, Bose 802, 4.5" Full Range Replacement Speaker Driver, 1 Ohm, F-901
Part Number: F-901
Availability: 0 Out of Stock
4.5" Bose Style Replacement Speaker Full Range Part # F-901

  • ABS frame
  • Blue Paper Cone, Foam Surround
  • Size: 5.2" (132mm)
  • Hole cut-out: 4" (102mm)
  • Depth: 2.25" (57mm)
  • Voice Coil: 1"
  • Magnet: 12 oz 
  • Impedance: 1 ohms, Re: .76 ohms
  • Power: 30 watts RMS, 60 watts max
  • Response: 83-15000 Hz
  • Sensitivity: 91.5 dB, 1 watt, 1 meter
  • Le: .11 mH, Fs: 83 Hz, Vas: .24 cu. ft., Qms: 2.41, Qes: .43, Qts: .36, Xmax: 2mm
  • Replacement full range for Bose 901 (series 3 thru 7, 1 ohm driver, 3 bolt plastic frame)
  • Does NOT replace older Bose style with 4 hole metal frame. See part # F-701 if you have the older style. 
  • Replacement for Bose 101 (must use with built in 4 ohm resistor)
  • Replacement for Bose 802 Pro & Bose 901

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 pulp paper, an ideal material for cone applications. 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.
UPC: 700621986416

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