Punch BP 8/150

General Characteristics for 8Ω
Nominal Overall Diameter209 mm.8 in.
Nominal Voice Coil Diameter50 mm.2.00 in.
Magnet Weight1100 g38.80 oz
Overall Weight6.83 lbs
Flux Density1.10 T
Thiele-Small Parameters for 8Ω
Voice Coil DC ResistanceRE6.08 Ω
Resonance FrequencyƒS74.7 Hz
Mechanical Q FactorQMS3.61
Electrical Q FactorQES0.36
Total Q FactorQTS0.33
Mechanical Moving MassMMS22.4 g
Mechanical ComplianceCMS203 µm/N
Force FactorBxL13.29 Wb/m
Equivalent Acoustic VolumeVAS13.1 lt.
Maximum Linear DisplacementXMAX±3.10 mm
Excursion LimitXVAR±6.6 mm
Reference EfficiencynO1.45 %
Diaphragm AreaSD213.8 cm2
Voice Coil Inductance @ 1kHzLE0.71 mH
Constructive Characteristics for 8Ω
Voice Coil WindingCopper
Voice Coil FormerKapton
Cone MaterialPaper
Surround MaterialTreated Cloth
Dust Dome MaterialSolid Paper
Basket MaterialPressed Sheet Steel
Electrical Characteristics for 8Ω
Nominal Impedance8 Ω
Rated Power150 W
Musical Power300 W
Sensitivity@1W,1m95.0 dB
150 watts
  • Ohms:

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.

Hard driving with a lot of top end clarity.
Sound Samples:
Blues (Walking Groove)00:20https://www.jensentone.com/sites/jensentone.com/files/sound_samples/bp8_blues_walk.mp3
Reggae (Smooth Groove)00:23https://www.jensentone.com/sites/jensentone.com/files/sound_samples/bp8_irie_0.mp3
Rock (Pick Attack)00:43https://www.jensentone.com/sites/jensentone.com/files/sound_samples/bp8_pick_attack_0.mp3
Funk (Slap Attack)00:16https://www.jensentone.com/sites/jensentone.com/files/sound_samples/bp8_slap_stick_0.mp3
Having trouble playing our sound samples? Click here to access the files directly.