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Speaker - Jensen® Vintage Ceramic, 12", C12N, 50W
The C12N is one of the most important speakers in Jensen’s history. It is the top 12” speaker of the ‘Blackface Era, used by many American manufacturers in the mid ‘60s for their upper range models when the price of AlNiCo became unsustainable for the manufacturers. Clear highs, solid mids, and powerful basses, it epitomizes the tone of that decade, from the surf, the rock n’ roll, the electric blues and the West Coast inspired music. It was used in Twin, Bassmanä and Bandmasterä style amps, and many others.
Guitarist Description: Smooth and straightforward, full bodied tone with high frequency chime. It responds to overdrive distortion with powerful mid bite.
- Lows: Loose
- Mids: Aggressive
- Highs: Bright
- Overdrive: Crunchy
For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.
SKU:
P-A-C12N
Item ID:
001919
Brand:
JensenJensen VintageCeramic
Magnet Type:
Size:
Type:
RoHS Compliant
| Impedance | Our Part Number | UPC/EAN | Jensen Part Number |
|---|---|---|---|
| 16 Ω | P-A-C12N-16 | 8034028640391 | ZJ06150 |
| 4 Ω | P-A-C12N-4 | 8034028640599 | ZJ06410 |
| 8 Ω | P-A-C12N-8 | 8034028640384 | ZJ06141 |
| Basket Material | Pressed Sheet Steel | ||
| Cone Material | Paper | ||
| Depth | 5.0393 in. | ||
| Diameter | 12 in. | ||
| Diaphragm Area (SD) | 490.90 cm2 | ||
| Dust Dome Material | Solid Paper | ||
| Equivalent Acoustic Volume (VAS) | 4 Ω version | P-A-C12N-4 | 22.80 liters |
| 8 Ω version | P-A-C12N-8 | 22.60 liters | |
| 16 Ω version | P-A-C12N-16 | 28.0 liters | |
| Flux Density | 1.15 T | ||
| Force Factor (BxL) | 4 Ω version | P-A-C12N-4 | 8.60 Wb/m |
| 8 Ω version | P-A-C12N-8 | 10.46 Wb/m | |
| 16 Ω version | P-A-C12N-16 | 13.35 Wb/m | |
| Inner Diameter | 10.9055 in. | ||
| Linear Displacement, maximum (XMAX) | 4 Ω version | P-A-C12N-4 | 1.50 mm |
| 8 Ω version | P-A-C12N-8 | 1.00 mm | |
| 16 Ω version | P-A-C12N-16 | 1.00 mm | |
| Losses Electrical Resistance (RES) | 4 Ω version | P-A-C12N-4 | 23.20 Ω |
| 8 Ω version | P-A-C12N-8 | 42.50 Ω | |
| 16 Ω version | P-A-C12N-16 | 70.00 Ω | |
| Magnet Assembly Diameter | 5.2755 in. | ||
| Magnet Type | Ferrite | ||
| Magnetic Gap Depth | 8.00 mm | ||
| Mechanical Compliance (CMS) | 4 Ω version | P-A-C12N-4 | 67.00 µm/N |
| 8 Ω version | P-A-C12N-8 | 66.00 µm/N | |
| 16 Ω version | P-A-C12N-16 | 83.00 µm/N | |
| Mechanical Moving Mass (MMS) | 4 Ω version | P-A-C12N-4 | 29.40 g |
| 8 Ω version | P-A-C12N-8 | 29.90 g | |
| 16 Ω version | P-A-C12N-16 | 25.60 g | |
| Mechanical Q Factor (QMS) | 4 Ω version | P-A-C12N-4 | 6.55 |
| 8 Ω version | P-A-C12N-8 | 7.52 | |
| 16 Ω version | P-A-C12N-16 | 6.84 | |
| Mounting Hole Bolt Circle Diameter | 11.5551 in. | ||
| Mounting Hole Diameter | 0.2559 in. | ||
| Musical Power | 100.00 W | ||
| Nominal Overall Diameter | 307.00 mm | ||
| Nominal Voice Coil Diameter | 38.00 mm | ||
| Outer Diameter | 12.0866 in. | ||
| Rated Power | 50.00 W | ||
| Reference Efficiency (nO) | 4 Ω version | P-A-C12N-4 | 3.40 % |
| 8 Ω version | P-A-C12N-8 | 3.48 % | |
| 16 Ω version | P-A-C12N-16 | 2.80 % | |
| Resonance Frequency (ƒS) | 4 Ω version | P-A-C12N-4 | 113.30 Hz |
| 8 Ω version | P-A-C12N-8 | 113.00 Hz | |
| 16 Ω version | P-A-C12N-16 | 110.00 Hz | |
| Sensitivity @ 1W, 1m | 4 Ω version | P-A-C12N-4 | 98.40 dB |
| 8 Ω version | P-A-C12N-8 | 97.70 dB | |
| 16 Ω version | P-A-C12N-16 | 97.50 dB | |
| Surround Material | Integrated Paper | ||
| Surround Treatment | No | ||
| Total Q Factor (QTS) | 4 Ω version | P-A-C12N-4 | 0.82 |
| 8 Ω version | P-A-C12N-8 | 1.02 | |
| 16 Ω version | P-A-C12N-16 | 1.06 | |
| Voice Coil DC Resistance (Re) | 4 Ω version | P-A-C12N-4 | 6.50 Ω |
| 8 Ω version | P-A-C12N-8 | 6.05 Ω | |
| 16 Ω version | P-A-C12N-16 | 12.50 Ω | |
| Voice Coil Diameter | 1.5 in. | ||
| Voice Coil Former | Kapton | ||
| Voice Coil Inductance @ 1 kHZ (LE) | 4 Ω version | P-A-C12N-4 | 0.58 mH |
| 8 Ω version | P-A-C12N-8 | 0.90 mH | |
| 16 Ω version | P-A-C12N-16 | 1.55 mH | |
| Voice Coil Winding Depth | 10.00 mm | ||
| Voice Coil Winding Type | Copper |
| Packaging Dimensions | 13.3858 in. × 13.3858 in. × 7.874 in. | |
| Weight (Packaging) | 8.2 lbs. |
| P-A-C12N-16 - 16 Ω version | Basket Material | Pressed Sheet Steel |
| Cone Material | Paper | |
| Depth | 5.0393 in. | |
| Diameter | 12 in. | |
| Diaphragm Area (SD) | 490.90 cm2 | |
| Dust Dome Material | Solid Paper | |
| Equivalent Acoustic Volume (VAS) | 28.0 liters | |
| Flux Density | 1.15 T | |
| Force Factor (BxL) | 13.35 Wb/m | |
| Inner Diameter | 10.9055 in. | |
| Linear Displacement, maximum (XMAX) | 1.00 mm | |
| Losses Electrical Resistance (RES) | 70.00 Ω | |
| Magnet Assembly Diameter | 5.2755 in. | |
| Magnet Type | Ferrite | |
| Magnetic Gap Depth | 8.00 mm | |
| Mechanical Compliance (CMS) | 83.00 µm/N | |
| Mechanical Moving Mass (MMS) | 25.60 g | |
| Mechanical Q Factor (QMS) | 6.84 | |
| Mounting Hole Bolt Circle Diameter | 11.5551 in. | |
| Mounting Hole Diameter | 0.2559 in. | |
| Musical Power | 100.00 W | |
| Nominal Overall Diameter | 307.00 mm | |
| Nominal Voice Coil Diameter | 38.00 mm | |
| Outer Diameter | 12.0866 in. | |
| Rated Power | 50.00 W | |
| Reference Efficiency (nO) | 2.80 % | |
| Resonance Frequency (ƒS) | 110.00 Hz | |
| Sensitivity @ 1W, 1m | 97.50 dB | |
| Surround Material | Integrated Paper | |
| Surround Treatment | No | |
| Total Q Factor (QTS) | 1.06 | |
| Voice Coil DC Resistance (Re) | 12.50 Ω | |
| Voice Coil Diameter | 1.5 in. | |
| Voice Coil Former | Kapton | |
| Voice Coil Inductance @ 1 kHZ (LE) | 1.55 mH | |
| Voice Coil Winding Depth | 10.00 mm | |
| Voice Coil Winding Type | Copper | |
| P-A-C12N-4 - 4 Ω version | Basket Material | Pressed Sheet Steel |
| Cone Material | Paper | |
| Depth | 5.0393 in. | |
| Diameter | 12 in. | |
| Diaphragm Area (SD) | 490.90 cm2 | |
| Dust Dome Material | Solid Paper | |
| Equivalent Acoustic Volume (VAS) | 22.80 liters | |
| Flux Density | 1.15 T | |
| Force Factor (BxL) | 8.60 Wb/m | |
| Inner Diameter | 10.9055 in. | |
| Linear Displacement, maximum (XMAX) | 1.50 mm | |
| Losses Electrical Resistance (RES) | 23.20 Ω | |
| Magnet Assembly Diameter | 5.2755 in. | |
| Magnet Type | Ferrite | |
| Magnetic Gap Depth | 8.00 mm | |
| Mechanical Compliance (CMS) | 67.00 µm/N | |
| Mechanical Moving Mass (MMS) | 29.40 g | |
| Mechanical Q Factor (QMS) | 6.55 | |
| Mounting Hole Bolt Circle Diameter | 11.5551 in. | |
| Mounting Hole Diameter | 0.2559 in. | |
| Musical Power | 100.00 W | |
| Nominal Overall Diameter | 307.00 mm | |
| Nominal Voice Coil Diameter | 38.00 mm | |
| Outer Diameter | 12.0866 in. | |
| Rated Power | 50.00 W | |
| Reference Efficiency (nO) | 3.40 % | |
| Resonance Frequency (ƒS) | 113.30 Hz | |
| Sensitivity @ 1W, 1m | 98.40 dB | |
| Surround Material | Integrated Paper | |
| Surround Treatment | No | |
| Total Q Factor (QTS) | 0.82 | |
| Voice Coil DC Resistance (Re) | 6.50 Ω | |
| Voice Coil Diameter | 1.5 in. | |
| Voice Coil Former | Kapton | |
| Voice Coil Inductance @ 1 kHZ (LE) | 0.58 mH | |
| Voice Coil Winding Depth | 10.00 mm | |
| Voice Coil Winding Type | Copper | |
| P-A-C12N-8 - 8 Ω version | Basket Material | Pressed Sheet Steel |
| Cone Material | Paper | |
| Depth | 5.0393 in. | |
| Diameter | 12 in. | |
| Diaphragm Area (SD) | 490.90 cm2 | |
| Dust Dome Material | Solid Paper | |
| Equivalent Acoustic Volume (VAS) | 22.60 liters | |
| Flux Density | 1.15 T | |
| Force Factor (BxL) | 10.46 Wb/m | |
| Inner Diameter | 10.9055 in. | |
| Linear Displacement, maximum (XMAX) | 1.00 mm | |
| Losses Electrical Resistance (RES) | 42.50 Ω | |
| Magnet Assembly Diameter | 5.2755 in. | |
| Magnet Type | Ferrite | |
| Magnetic Gap Depth | 8.00 mm | |
| Mechanical Compliance (CMS) | 66.00 µm/N | |
| Mechanical Moving Mass (MMS) | 29.90 g | |
| Mechanical Q Factor (QMS) | 7.52 | |
| Mounting Hole Bolt Circle Diameter | 11.5551 in. | |
| Mounting Hole Diameter | 0.2559 in. | |
| Musical Power | 100.00 W | |
| Nominal Overall Diameter | 307.00 mm | |
| Nominal Voice Coil Diameter | 38.00 mm | |
| Outer Diameter | 12.0866 in. | |
| Rated Power | 50.00 W | |
| Reference Efficiency (nO) | 3.48 % | |
| Resonance Frequency (ƒS) | 113.00 Hz | |
| Sensitivity @ 1W, 1m | 97.70 dB | |
| Surround Material | Integrated Paper | |
| Surround Treatment | No | |
| Total Q Factor (QTS) | 1.02 | |
| Voice Coil DC Resistance (Re) | 6.05 Ω | |
| Voice Coil Diameter | 1.5 in. | |
| Voice Coil Former | Kapton | |
| Voice Coil Inductance @ 1 kHZ (LE) | 0.90 mH | |
| Voice Coil Winding Depth | 10.00 mm | |
| Voice Coil Winding Type | Copper |
 Specification Sheet | All Models |
 Blues Sound Sample | All Models |
| Clean Sound Sample | All Models |
| Country Sound Sample | All Models |
| Jazz Sound Sample | All Models |
| Metal Sound Sample | All Models |
| Overdriven Sound Sample | All Models |
| Rock Sound Sample | All Models |
 Terminal Dimensions | All Models |
My Project Lists
Specifications, Files, and Documents
Sound Samples:
Blues Sound Sample00:49https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_blues.mp3
Clean Sound Sample00:18https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_clean.mp3
Country Sound Sample00:35https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_country.mp3
Jazz Sound Sample00:41https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_jazz.mp3
Metal Sound Sample00:53https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_metal.mp3
Overdriven Sound Sample00:19https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_overdriven.mp3
Rock Sound Sample00:41https://www.amplifiedparts.com/sites/default/files/associated_files/c12n_rock.mp3
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Product Reviews
Best replacement speakers for the money.
Out of all the Jensen, Celestion and Eminence speakers I've played through trying to find the best tone for blues, jazz and rock 'n' roll... the C12N is my favorite! I don't know how they do it, but this ceramic magnet speaker is so warm and versatile.