MS10-W: 7″ Replacement Woofer for Yamaha NS-10M™ Studio Monitor

$189.95

The MS10-W 7.1″ woofer is the direct replacement driver for Yamaha NS-10M loudspeakers. The MS10-W exactly matches the sound of the Yamaha woofer more accurately than any manufacturer has ever done.
8 ohms
Each

 

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Description
Specifications
Description

Bold North Audio MS10-W – The First Accurate Sonic Match to the Iconic Yamaha Woofer 

The Yamaha™ NS-10M™near-field monitor loudspeaker is an icon in the recording industry. It is the de-facto standard in both professional and home recording studios worldwide. Unfortunately, the product has been discontinued and Yamaha-made replacement parts are no longer available.

The need has been answered with the MS10-W direct replacement woofer driver for NS-10M loudspeakers. The MS10-W exactly matches the sound of the Yamaha woofer more accurately than any manufacturer has ever done.

Using state-of-the-art laser-based measurement tools, the engineers were able to pinpoint those factors that make an NS-10M driver sound like it does, and choose the materials and tuning needed to match the iconic NS-10M sound.

  • Seamed paper cone for accurate reproduction of the NS10-M woofer timbre
  • Klippel Verified – designed and 100% tested with state-of-the-art Klippel measurement tools
  • Edge-wound copper voice coil
  • 90dB sensitivity
  • Black powder-coated steel basket

The MS10-W is packaged and sold individually, but we highly recommend that NS-10M™ owners replace both woofers at the same time. Original drivers may “work” but their suspensions have likely fatigued over time and no longer perform as they should. For the best imaging and sound staging, it is essential that the left and right speakers be as closely matched as possible. Replacing both mid-woofers with MS10-Ws, in essence, brings the speaker system back to the sound of a new pair of NS-10M’s (assuming the tweeters and crossovers are working correctly). Purchase TWO for the best results!

Specs:
Model # MS10-W
Shape of Speaker Square
Application Musical Instruments, Pro Sound
Rated Impedance (Ω) 8
DC Resistance (Re) (Ω) 6.3
Rated Power IEC268-5 (W) 30 Watts
Continuous Power (W) 30
Program Power (W) 60
Power, Peak (W) 120
Frequency Range (Hz) 54 – 5,200
Sensitivity (dB SPL) ¹ 90.4 @ 1watt / 1 meter
Resonant Frequency (Fs) (Hz) 54
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0.62
Mechanical Q Factor (Qms) 10.25
Electrical Q Factor (Qes) 0.60
Total Q Factor (Qts) 0.57
Moving Mass (Mms) (gm) 12.8
Suspension Compliance (Cms) (mm/N) 0.694
Mechanical Resistance (Rms) (kg/s) 0.421
Surface Area of Diaphragm (Sd) (cm²) 168.6
Compliance Equivalent Volume (Vas) (L) 27.92
Maximum Linear Excursion (Xmax) (mm) 3.85
Coil Winding Height (mm) 12.7
Magnetic Gap Height (mm) 5.0
Motor Force Factor (BL) (T•M) 6.7
Motive Force (BL²/Re) (T•m²)/Ω) 7.18
Efficiency (η₀) (%) 0.68
Efficiency Bandwidth Product (EBP) (Fs/Qes) 89.0
Basket Type Stamped Steel with black powder coat
Terminal Size (mm) 2.8 mm (0.110″)
Voice Coil Wire Material Copper, single layer (Edgewound)
Voice Coil Former Material 1.5″ Paper
Magnet Material Ferrite
Cone Body Material White seamed paper
Cone Surround Material Treated Fabric
Dust Cap Material White paper


Dimensions
:
Outside Diameter: 7.11″ (180.5mm)
Cutout Diameter: 6.28″ (159.5mm)
Internal Depth: 2.77″ (70.4mm)

Specifications
Weight 4 lbs
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