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

€ 29,95 Nicht auf Lager: Lieferzeit beträgt 1 Woche
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.... Mehr anzeigen
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Produktbeschreibung

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®.

Eigenschaften

Artikelnummer:
RSB901-1
Woofer Type
Midwoofer
Nominal Diameter
4-1/2"
Power Handling (RMS)
30 Watts
Power Handling (max)
60 Watts
Impedance
1 Ohm
Sensitivity
91.5 dB 2.83V/1m
Frequency Response
83 to 15,000 Hz
Voice Coil Diameter
1"
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
Mechanical Compliance of Suspension (Cms)
1.08 mm/N
Surface Area of Cone (Sd)
66.6 cm2
BL Product (BL)
1.767 Tm
Compliance Equivalent Volume (Vas)
0.24 ft.³
Cone / Diaphragm Material
Paper
Surround Material
Foam
Voice Coil Wire Material
Copper
Voice Coil Former
Kapton® / Polyimide
Basket / Frame Material
Polymer
Magnet Material
Ferrite
Overall Outside Diameter
5.2"
Overall Depth
2.17"
Baffle Cutout Diameter
4.02"
# Mounting Holes
3
Sealed Volume
0.06 ft.³
Sealed F3
182 Hz
Vented Volume
0.14 ft.³
Vented F3
104 Hz

Bewertungen

5 from 5Based on 6 reviews
Produkt bewerten
5 van 5
Perfecte vervangluidspreker
Durch Luc S. on 15 September 2020
5 van 5
Koper heeft geen omschrijving achtergelaten.
Durch Sjoerd B. on 4 August 2020
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RSB901-1 Replacement Speaker Driver for Bose 901 4-1/2" 1 Ohm
€ 29,95
RSB901-1 Replacement Speaker Driver for Bose 901 4-1/2" 1 Ohm
0 Auf Lager: Lieferzeit beträgt 1 Woche
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