Speaker - Jensen® Vintage Ceramic, 15", C15N, 50W

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Speaker - Jensen® Vintage Ceramic, 15", C15N, 50W

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The Blackface era sibling of the P15N is a powerful, open sounding speaker with a cutting presence on the full range of frequencies. The C15N is very efficient and delivers dynamic, high-headroom and punchy tone from bass to trebles. It is the first-choice speaker for many pedal steel and blues players. It is very commonly found in Pro® and Vibrolux® amps in the ‘60s and is used in the low frequency drum of the Leslie® 122 and 147 amplifiers.

Guitarist Description: Tight low-end and clear, bright highs. Responds to overdrive distortion with a gritty edge.

  • Lows: Fat
  • Mids: Aggressive
  • Highs: Bright
  • Overdrive: Smooth

For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.

RoHS Compliant
Item ID:
JensenJensen VintageCeramic
Part Numbers
ImpedanceOur Part NumberUPC/EANJensen Part Number
16 ΩP-A-C15N-168034028641831 ZJ07050
4 ΩP-A-C15N-48034028641824 ZJ07050
8 ΩP-A-C15N-88034028640605 ZJ07050
Product Measurements
Basket MaterialPressed Sheet Steel
Cone MaterialPaper
Depth5.807 in.
Diameter15 in.
Diaphragm Area (SD)4 Ω version754.70 cm2
8 Ω version754.80 cm2
16 Ω version754.80 cm2
Dust Dome MaterialSolid Paper
Equivalent Acoustic Volume (VAS)4 Ω version89.40 liters
8 Ω version70.30 liters
16 Ω version74.40 liters
Flux Density1.00 T
Force Factor (BxL)4 Ω version7.68 Wb/m
8 Ω version10.85 Wb/m
16 Ω version12.81 Wb/m
Inner Diameter14.0945 in.
Linear Displacement, maximum (XMAX)4 Ω version1.50 mm
8 Ω version1.00 mm
16 Ω version1.00 mm
Losses Electrical Resistance (RES)4 Ω version18.20 Ω
8 Ω version39.00 Ω
16 Ω version57.00 Ω
Magnet Assembly Depth4 Ω version1.1811 in.
8 Ω version1.1811 in.
16 Ω version1.811 in.
Magnet Assembly Diameter5.2755 in.
Magnet TypeFerrite
Magnetic Gap Depth8.00 mm
Mechanical Compliance (CMS)4 Ω version112.00 µm/N
8 Ω version87.00 µm/N
16 Ω version92.00 µm/N
Mechanical Moving Mass (MMS)4 Ω version41.20 g
8 Ω version54.70 g
16 Ω version51.00 g
Mechanical Q Factor (QMS)4 Ω version5.93
8 Ω version6.80
16 Ω version8.48
Mounting Hole Bolt Circle Diameter14.6457 in.
Mounting Hole Diameter0.2362 in.
Musical Power100.00 W
Nominal Overall Diameter385.00 mm
Nominal Voice Coil Diameter38.00 mm
Outer Diameter15.0787 in.
Rated Power50.00 W
Reference Efficiency (nO)4 Ω version3.46 %
8 Ω version2.84 %
16 Ω version1.61 %
Resonance Frequency (ƒS)4 Ω version74.20 Hz
8 Ω version73.00 Hz
16 Ω version73.50 Hz
Sensitivity @ 1W, 1m4 Ω version98.50 dB
8 Ω version96.30 dB
16 Ω version95.40 dB
Surround MaterialIntegrated Paper
Surround TreatmentYes
Total Q Factor (QTS)4 Ω version0.87
8 Ω version1.11
16 Ω version1.46
Voice Coil DC Resistance (Re)4 Ω version3.12 Ω
8 Ω version6.20 Ω
16 Ω version12.30 Ω
Voice Coil Diameter1.5 in.
Voice Coil FormerKapton
Voice Coil Inductance @ 1 kHZ (LE)4 Ω version0.58 mH
8 Ω version0.93 mH
16 Ω version1.28 mH
Voice Coil Winding Depth10.00 mm
Voice Coil Winding TypeCopper
Packaging Information
Packaging Dimensions16.5354 in. × 16.1417 in. × 8.2677 in.
Weight (Packaging)10.7 lbs.

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Specifications, Files, and Documents

Sound Samples:

PDF: Specification Sheet Specification Sheet221.66 KB
PNG: Terminal Dimensions Terminal Dimensions21.21 KB

Questions and Answers

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Asked by Anonymous on June 3rd, 2018.
June 8th, 2018
Staff Member
Hello, Without having hands on experience with the particular Altec Lansing speaker, we advise locating a frequency chart for your speaker and comparing it to the one above for the C15N. In our experience, this is a fairly bright speaker, so it may not be the ideal choice.

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