Punch BP 12/250 | Jensen Loudspeakers

General Characteristics
Nominal Overall Diameter	318 mm	13 in
Nominal Voice Coil Diameter	65 mm	3 in
Magnet Weight	1450 g	51 oz
Overall Weight	4.8 kg	10.58 lbs
Flux Density		1.15 T
Voice Coil Winding Depth	12 mm	0.47 in
Magnetic Gap Depth	10 mm	0.39 in

Thiele-Small Parameters
Nominal Impedance		8Ω
Voice Coil DC Resistance	R_E	6.21 Ω
Resonance Frequency	ƒ_S	50.2 Hz
Mechanical Q Factor	Q_MS	5.14
Electrical Q Factor	Q_ES	0.34
Total Q Factor	Q_TS	0.32
Mechanical Moving Mass	M_MS	46.6 g
Mechanical Compliance	C_MS	216 µm/N
Force Factor	BxL	16.4 Wb/m
Equivalent Acoustic Volume	V_AS	73.5 lt.
Maximum Linear Displacement	X_MAX	± 3.1 mm
Excursion Limit	X_VAR	± 5.5 mm
Reference Efficiency	n_O	2.64 %
Diaphragm Area	S_D	490.9 cm²
Voice Coil Inductance @ 1kHz	L_E	0.94 mH

Constructive Characteristics
Magnet		Ferrite
Voice Coil Winding		Copper
Voice Coil Former		Kapton
Cone Material		Paper
Surround Material		Treated Cloth
Dust Dome Material		Solid Paper
Basket Material		Pressed Sheet Steel
Surround Treatment		No

Electrical Characteristics
Nominal Impedance		8Ω
Rated Power		250 W
Musical Power		500 W
Sensitivity@1W,1m		97.5 dB

BP12250

12",

250 watts

Available in 8Ω

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.

Lows

Tight

Mids

Firm

Highs

Bright

Bassist Description

Thick and defined.

Sound Samples