TSB-12-150

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TSB-12-150TSB-12-150TSB-12-150TSB-12-150
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Hold down the low end with confidence using the TSB-12-150, a 12-inch bass guitar speaker designed for players who demand precision and power. Its 4 oz. neodymium magnet provides a fast transient response, enhancing the clarity and definition of each bass note while keeping the overall weight low for easy portability.

With 150 watts AES and 300 watts program power handling, the TSB-12-150 delivers tight, responsive lows, natural mids, and smooth highs. A 2-inch copper voice coil, wound on a fiberglass former, ensures excellent durability and heat dissipation, making it a reliable choice for consistent performance. The paper cone with a cloth M-roll surround enhances warmth and resonance, giving your tone both depth and articulation.

Key Features:

  • 12-inch (305 mm) bass guitar speaker with pressed steel frame
  • 150 watts AES / 300 watts program power handling
  • 4 oz. neodymium magnet for lightweight, high-efficiency performance
  • 2-inch inside/outside wound copper voice coil with fiberglass former
  • Paper cone with cloth M-roll surround for deep, defined bass
  • High sensitivity (97.2 dB SPL) for excellent projection

For bassists seeking a speaker that combines portability with rich, powerful tone, the TSB-12-150 delivers the ideal balance of warmth, depth, and responsiveness.

sensitivity & impedance curves

Input: 2.83 volts measured at 1 Meter

Input: 2.83 volts measured at 1 Meter

0 deg response
30 deg response
60 deg response
impedance
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  • General Specifications
    General Specifications for the TSB-12-150 speaker
    Nominal Diameter (in & mm)12" (305 mm)
    Nominal Impedance (Z) (Ω)
    Rated Power IEC268-5 (W)150
    Program Power (W)300
    Magnet Weight (g)113.4
    Voice Coil Diameter (mm)50.8
    Sensitivity (dB SPL)97.2
    Frequency Range (Hz)50 - 5000
  • Small Signal Parameters
    Small Signal Parameters for the TSB-12-150 speaker
    Resonant Frequency (Fs) (Hz) +/- 15%51
    DC Resistance (Re) (Ω)5.5
    Voice Coil Inductance (Le) (mH)0.5
    Moving Mass (Mms) (gm)42.4
    Suspension Compliance (Cms) (mm/N)0.24
    Motor Force Factor (BL) (T•M)11.9
    Mechanical Q Factor (Qms)12.17
    Electrical Q Factor (Qes)0.53
    Total Q Factor (Qts)0.5
    Compliance Equivalent Volume (Vas) (L)93.06
    Surface Area of Diaphragm (Sd) (cm²)530.93
  • Material Description
    The Material Description for the TSB-12-150 speaker
    Basket TypePressed steel
    Magnet MaterialNeodymium
    Cone Body MaterialPaper
    Cone Surround MaterialCloth
    Dust Cap MaterialFelt
    Spider Material
    Voice Coil Wire MaterialCopper
    Voice Coil Former MaterialFiberglass
    Voice Coil Winding StyleInside / Outside
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