15" version of the poplular PF-350 12". Offering complete tonal balance from top to bottom, this attack-sensitive and powerful 15 inch model was co-developed with veteran session and touring pro Paul Franklin. With headroom to spare, the PF-400?s tone transfers from low volume to very loud with warmth and clarity, making it ideal for pedal steelers and 6-stringers alike.

Characteristics

Series		Signature
Model		PF-400
Application		15" Open or Closed Back
Configuration		1 or 2x15"
Low End Response		Aggressive
Low End Shape		Fat/Round
Mid-Range Response		Moderate
Mid-Range Shape		Warm
High-End Response		Moderate
Volume/Power		Louder
Overall Coloration*		15" version of the popular PF-350 with even more depth and definition in the lows and smoother highs.
Break-up Modes		Slow
Power Range		Up to 400 watts
Instrument*		Steel Guitar
Genre of Music*		Country and Blues

Specifications

Download Spec Sheet

SPECIFICATION
Nominal Basket Diameter	15", 381 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	N/A
Watts	400 W
Resonance	58 Hz
Usable Frequency Range	60 Hz - 3.6 kHz
Sensitivity*	102 dB
Magnet Weight	109 oz.
Gap Height	0.285", 7.2 mm
Voice Coil Diameter	4", 102 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	58 Hz
DC Resistance (Re)	7.45 Ω
Coil Inductance (Le)	0.46m H
Mechanical Q (Qms)	6.37
Electromagnetic Q (Qes)	0.55
Total Q (Qts)	0.5
Compliance Equivalent Volume (Vas)	120.85 liters / 4.27 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	70.3 cc
Mechanical Compliance of Suspension (Cms)	0.11 mm/N
BL Product (BL)	18.33 T-M
Diaphragm Mass Inc. Airload (MMs)	67 grams
Efficiency Bandwidth Product (EBP)	106
Maximum Linear Excursion (Xmax)	0.79 mm
Surface Area of Cone (Sd)	889.6 cm2
Maximum Mechanical Limit (Xlim)	0 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	N/a
Vented	N/a
Driver Volume Displaced	0.152 cu.ft. / 4.31 liters
Overall Diameter	15.28", 388.1 mm
Baffle Hole Diameter	14.06", 357.1 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.26", 6.6mm
Mounting Holes B.C.D.	14.57", 370.1mm
Depth	6", 152.4 mm
Net Weight	22.6 lbs, 10.25 kg
Shipping Weight	24.8 lbs, 11.25 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Edge Wound Aluminum
Coil Former	Polyimide Former
Magnet Composition	Ferrite magnet
Core Details	Vented core

Basket Materials	Die-cast aluminum basket
Cone Composition	Paper cone
Cone Edge Composition	Coth edge
Dust Cap Composition	Paper dust cap

Characteristics

Specifications

Frequency Response

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