Input: 2.83 volts measured at 1 Meter
TSB-15-250













Take your bass tone to new depths with the TSB-15-250, a 15-inch bass guitar speaker engineered for power, clarity, and rich low-end response. Designed with a 7 oz. neodymium magnet, this speaker delivers massive tone while maintaining a lightweight build, making it an ideal choice for gigging bassists and professional setups.
With 250 watts AES and 500 watts program power handling, the TSB-15-250 provides deep, controlled bass with a smooth midrange and articulate highs. The 2.5-inch inside/outside copper voice coil, wound on a fiberglass former, ensures optimal heat dissipation and reliability, even during extended play. A paper cone with a cloth M-roll surround enhances the warmth and resonance needed for a full, immersive bass sound.
Key Features:
- 15-inch (381 mm) bass guitar speaker with pressed steel frame
- 250 watts AES / 500 watts program power handling
- 7 oz. neodymium magnet for high-powered, lightweight performance
- 2.5-inch inside/outside wound copper voice coil with fiberglass former
- Paper cone with cloth M-roll surround for deep, resonant bass
- High sensitivity (98.5 dB SPL) for superior projection
For bassists looking for a speaker that delivers both thunderous lows and balanced clarity, the TSB-15-250 offers the perfect combination of power and performance.
sensitivity & impedance curves
Input: 2.83 volts measured at 1 Meter
Where to buy
Canada
germany
japan
general specifications
parameter | value |
---|---|
Nominal Diameter (in & mm) | 15" (381 mm) |
Nominal Impedance (Z) (Ω) | |
Rated Power IEC268-5 (W) | 250 |
Program Power (W) | 500 |
Magnet Weight (g) | 198.4 |
Voice Coil Diameter (mm) | 63.5 |
Sensitivity (dB SPL) | 98.5 |
Frequency Range (Hz) | 45 - 4000 |
small signal parameters
parameter | value |
---|---|
Resonant Frequency (Fs) (Hz) +/- 15% | 38 |
DC Resistance (Re) (Ω) | 5.7 |
Voice Coil Inductance (Le) (mH) | 0.51 |
Moving Mass (Mms) (gm) | 73.3 |
Suspension Compliance (Cms) (mm/N) | 0.24 |
Motor Force Factor (BL) (T•M) | 15.1 |
Mechanical Q Factor (Qms) | 10.24 |
Electrical Q Factor (Qes) | 0.43 |
Total Q Factor (Qts) | 0.42 |
Compliance Equivalent Volume (Vas) (L) | 251 |
Surface Area of Diaphragm (Sd) (cm²) | 855.34 |
material description
parameter | value |
---|---|
Basket Type | Pressed steel |
Magnet Material | Neodymium |
Cone Body Material | Paper |
Cone Surround Material | Cloth |
Dust Cap Material | Felt |
Spider Material | |
Voice Coil Wire Material | Copper |
Voice Coil Former Material | Fiberglass |
Voice Coil Winding Style | Inside / Outside |