We Speak Your Tone 
ToneSpeak TSB-15-250 | 15 Inch Bass Guitar Speaker
Brand Name
ToneSpeak
Model #
TSB-15-250
Part #
86071
In stock
$249.99
Get rich bass tones like never before.
Own the low-end with the 15-inch ToneSpeak TSB-15-250 Bass Guitar Speaker. Engineered for excellence, it boasts a 2.5-inch inside/outside copper voice coil, delivering unparalleled responsiveness and clarity to your bass notes. The speaker is powered by a robust 7 oz neodymium magnet, ensuring a rich, punchy tone while maintaining a lightweight design. With the capacity to handle an impressive 500 watts of program power, this speaker delivers the low end you've been searching for.
- 15-inch steel basket
- 2.5-inch inside/outside copper voice coil
- Fiberglass former
- 7 oz. neodymium magnet
- Paper cone with cloth M-roll surround
- 250 watts AES
- 500 watts program power
- 98.5 dB
A flat shipping fee of $15 is applied to US customers.
For international customers, CHECK OUR DISTRIBUTORS PAGE to see what is available near you.
Download Product Specifications (PDF) »
| Brand Name | ToneSpeak |
|---|---|
| Model # | TSB-15-250 |
| Size, Nominal (inch & mm) | 15" (381 mm) |
| Shape of Speaker | Round |
| Speaker Type | Bass Guitar Speaker |
| Application | Musical Instruments |
| Environment | Indoor |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 8 |
| Rated Power IEC268-5 (W) | 250 Watts |
| Rated Impedance (Ω) | 8 |
| Continuous Power (W) | 250 |
| Program Power (W) | 500 |
| Frequency Range (Hz) | 45 - 4,000 |
| Sensitivity (dB SPL) ¹ | 98.5 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 38 |
| DC Resistance (Re) (Ω) | 5.7 |
| Voice Coil Inductance (Le) (mH) | 0.51 |
| Mechanical Q Factor (Qms) | 10.24 |
| Electrical Q Factor (Qes) | 0.43 |
| Total Q Factor (Qts) | 0.42 |
| Mechanical Resistance (Rms) (kg/s) | 1.7 |
| Compliance Equivalent Volume (Vas) (L) | 251 |
| Suspension Compliance (Cms) (mm/N) | 0.24 |
| Surface Area of Diaphragm (Sd) (cm²) | 855.34 |
| Moving Mass (Mms) (gm) | 73.3 |
| Xmax (Klippel verified @82% Bl) (mm) | 3.8 |
| Xmax (Winding Height-Gap Height / 2) (mm) | 3.8 |
| Xmax (Add 1/3 Gap Height) (mm) | 6.1 |
| Xlim (mm) | 15.5 |
| Motor Force Factor (BL) (T•M) | 15.1 |
| Basket Type | Pressed steel |
| Terminal Size (mm) | 5.2 |
| Voice Coil Diameter (mm) | 63.5 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Fiberglass |
| Voice Coil Winding Style | Inside / Outside |
| Magnet Material | Neodymium |
| Magnet Weight (g) | 198.4 |
| Cone Body Material | Paper |
| Cone Surround Material | Cloth |
| Dust Cap Material | Felt |