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
Voice Coil Winding Depth0.43 in.
Magnetic Gap Depth0.31 in.
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
MagnetFerrite
Voice Coil WindingCopper
Voice Coil FormerKapton
Cone MaterialPaper
Surround MaterialTreated Cloth
Dust Dome MaterialSolid Paper
Basket MaterialPressed Sheet Steel
Cone TreatmentNo
Electrical Characteristics for 8Ω
Nominal Impedance8 Ω
Rated Power150 W
Musical Power300 W
Sensitivity@1W,1m95.0 dB
P-A-BP8150-8
8"
,
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.

Lows:Mids:Highs:
TightFirmBright
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.