Bold North Audio

Studio Musicians playing music behind Bold North Audio logo

Science Serving Music

Bold North Audio products aspire to be the most accurate and thoroughly engineered audio transducers available. Bold North Audio world-class performance is rooted in fundamental scientific research, careful materials selection, precision manufacturing and most of all, love of music.

We harness cutting-edge Klippel vibrational analysis science to reveal the keys to superior audio performance.  While we rely heavily on objective science to lead us, we understand that most of all speakers need to tell the musical truth. Our engineers, musicians, and recording studio veterans are the final judges of when a design is worthy of the Bold North Audio logo.


 

View as Grid List

9 Items

per page
Set Descending Direction
  1. Yamaha NS10 recreated tweeter speaker 1.1 inch square Bold North model 78036

    Part # 78036, Model # BDT-2901

    1.1" (29 mm) Soft Dome, Neo-Classic Tweeter
    Size, Nominal (inch & mm) 1.1" (29 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 50 Watts
    Sensitivity (dB SPL) ¹ 91
    Frequency Range (Hz) 1,000 - 25,000
    Resonant Frequency (Fs) (Hz) 670
  2. Mid bass woofer 4 inch square Bold North Audio model 84071

    Part # 84071, Model # BMW-4001

    4" (102 mm) 8 Ohm, Carbon Fiber Mid-Bass Woofer
    $78.00
    Size, Nominal (inch & mm) 4" (102 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 25 Watts
    Sensitivity (dB SPL) ¹ 88
    Frequency Range (Hz) 60 - 12,000
    Resonant Frequency (Fs) (Hz) 68
  3. Carbon fiber woofer with phase plug 6.5 inch round Bold North Audio model 82130

    Part # 82130, Model # BWF-6503

    6.5" (165 mm) Woofer with Red Carbon Fiber Cone
    $129.36
    Size, Nominal (inch & mm) 6.5" (165 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 75 Watts
    Sensitivity (dB SPL) ¹ 87
    Frequency Range (Hz) 40 - 9,000
    Resonant Frequency (Fs) (Hz) 43
  4. XBL² woofer 6.5 inch round Bold North Audio model 82141

    Part # 82141, Model # BWX-6502

    6.5” (165 mm) XBL² High Excursion, Ultra Low Distortion Woofer
    Size, Nominal (inch & mm) 6.5" (165 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 85 Watts
    Sensitivity (dB SPL) ¹ 85
    Frequency Range (Hz) 40 - 1,000
    Resonant Frequency (Fs) (Hz) 45
  5. XBL² woofer 6.5 inch round Bold North Audio model 82109

    Part # 82109, Model # BWX-6501

    6.5” (165 mm) XBL² High Excursion, Low Distortion Woofer
    Size, Nominal (inch & mm) 6.5" (165 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 85 Watts
    Sensitivity (dB SPL) ¹ 85
    Frequency Range (Hz) 40 - 4,000
    Resonant Frequency (Fs) (Hz) 47
  6. Yamaha NS10 recreated woofer speaker 7.1 inch square Bold North model MS-10W

    Part # 82110, Model # MS10-W

    7.1" (181 mm), 8 Ohm, Square, Replacement Woofer for Yamaha NS-10M™ Studio Monitor
    Size, Nominal (inch & mm) 7" (179 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 30 Watts
    Sensitivity (dB SPL) ¹ 90.4 @ 1watt / 1 meter
    Frequency Range (Hz) 54 - 5,200
    Resonant Frequency (Fs) (Hz) 54
  7. Stamped frame subwoofer 8 inch round Bold North Audio model 82132

    Part # 82132, Model # BWF-8001

    8" (203 mm) Stamped Frame Subwoofer
    $65.94
    Size, Nominal (inch & mm) 8" (203 mm)
    Nominal Impedance (Z) (Ω) 4
    Rated Power IEC268-5 (W) 75 Watts
    Sensitivity (dB SPL) ¹ 87
    Frequency Range (Hz) 25 - 1,000
    Resonant Frequency (Fs) (Hz) 33
  8. Cast frame subwoofer with convex dust cap, 10 inch round Bold North Audio model 82131

    Part # 82131, Model # BWF-1001

    10" (272 mm) 5 Ohm, Cast Frame Subwoofer
    $183.75
    Size, Nominal (inch & mm) 10" (272 mm)
    Nominal Impedance (Z) (Ω) 5
    Rated Power IEC268-5 (W) 150 Watts
    Sensitivity (dB SPL) ¹ 86
    Frequency Range (Hz) 20 - 200
    Resonant Frequency (Fs) (Hz) 27
  9. Cast frame subwoofer 10 inch round Bold North Audio model 82136

    Part # 82136, Model # BWF-1002

    10" (275 mm) Cast Frame Subwoofer
    $161.70
    Size, Nominal (inch & mm) 10" (254 mm)
    Nominal Impedance (Z) (Ω) 5
    Rated Power IEC268-5 (W) 150 Watts
    Sensitivity (dB SPL) ¹ 88
    Frequency Range (Hz) 20 - 200
    Resonant Frequency (Fs) (Hz) 25
View as Grid List

9 Items

per page
Set Descending Direction