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Speaker - Jensen Punch Bass, 12", BP12/250, 250W, 8Ω
The Punch BP 12/250 is a 12" ferrite speaker with 250 watts of power. Punch Sound speakers offer great dynamics and super-fast response, giving the player an extremely solid bass sound. Equipped with ferrite magnets and steel baskets, they are ideal for classic styles where a clean, tight and bright sound is required.
The 12'' bass speaker provides a good upper mid range tone.
Bassist Description: Thick and defined.
- Lows: Tight
- Mids: Firm
- Highs: Bright
For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.
RoHS Compliant
| Basket Material | Pressed Sheet Steel | |
| Cone Material | Paper | |
| Diaphragm Area (SD) | 490.90 cm2 | |
| Dust Dome Material | Solid Paper | |
| Equivalent Acoustic Volume (VAS) | 73.50 liters | |
| Excursion Limit (XVAR) | 5.50 mm | |
| Flux Density | 1.15 T | |
| Force Factor (BxL) | 16.40 Wb/m | |
| Linear Displacement, maximum (XMAX) | 3.10 mm | |
| Magnet Type | Ferrite | |
| Magnet Weight | 1.45 kg | |
| Magnetic Gap Depth | 10.00 mm | |
| Mechanical Compliance (CMS) | 216.00 µm/N | |
| Mechanical Moving Mass (MMS) | 46.60 g | |
| Mechanical Q Factor (QMS) | 5.14 | |
| Musical Power | 500.00 W | |
| Nominal Overall Diameter | 318.00 mm | |
| Nominal Voice Coil Diameter | 65.00 mm | |
| Rated Power | 250.00 W | |
| Reference Efficiency (nO) | 2.64 % | |
| Resonance Frequency (ƒS) | 50.20 Hz | |
| Sensitivity @ 1W, 1m | 97.50 dB | |
| Surround Material | Treated Cloth | |
| Surround Treatment | No | |
| Total Q Factor (QTS) | 0.32 | |
| Voice Coil DC Resistance (Re) | 6.21 Ω | |
| Voice Coil Former | Kapton | |
| Voice Coil Inductance @ 1 kHZ (LE) | 0.94 mH | |
| Voice Coil Winding Depth | 12.00 mm | |
| Voice Coil Winding Type | Copper |
| Packaging Dimensions | 13.3858 in. × 13.3858 in. × 7.874 in. | |
| Weight (Packaging) | 12.1 lbs. |
 Specification Sheet | All Models |
 Terminal Dimensions | All Models |
My Project Lists
Terminal Dimensions Questions and Answers
Click each question to see its answers.
1 answers
Will this speaker fit a peavey max 112 bass amp?
Asked by Anonymous on September 8th, 2017.
This speaker is 12" in diameter and has a depth of 4.86". You will want to measure your amp to insure that it will fit.
1 answers
Will these speakers handle the low B fundamental (31hz) of a Fender Jazz Bass V through a Sealed Bassman 2-12 cabinet? I have speakers now that are rated down to 30hz and the low B string is a little boomy. I was hoping that a speaker in the 50hz range might reproduce the notes cleanly with a little less of the fundamental tone, thus eliminating the boominess of the lowest notes. Any suggestions?
Asked by Thatbassplayer on October 29th, 2017.
Since we have not tried this with a 5 string you will want to review the frequency response provided in the spec sheet.
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