C 12 R

Speaker Description

Typically used in the lower powered 12” amps for studio or practice, the C12R is a clear sounding, sparkling speaker, very sensitive to the character of amplifier. When paired with a stout, rich and warm electronic design it can do wonders. Ampeg® Jets and Reverberockets are just some of the most revered amps that carried C12R as their factory choice.

Description

Rated Power measured with 2 hours test with pink noise signal, 6dB crest factor, loudspeaker mounted on enclosure
Power on Continuous Program is defined as 3 dB greater than the Rated Power
Thiele and Small parameters measured with laser system withou preconditioning test
The notch around 400 Hz on the frequency response is typical of the measurement on IEC baffle
Due to continuing product improvement, the features and the design are subject to change without notice.

Additional information

Nominal Diameter	306 mm / 12 in
Nominal Impedance	8 Ω
Rated Power AES	25 W
Continuos Program Power	50 W
Sensitivity @ 1W/1m	92.3 dB
Voice Coil Diameter	25 mm (1")
Voice Coil Winding Depth	8 mm
Magnetic Gap Depth	6 mm
Flux Density	1.00 T
Magnet Weight	270 g
Net Weight	1.4 Kg
Re	6.70 Ω
Qms	18.52
Qts	2.47
Cms	110 µm/N
Vas	37.5 l
Fs	88.3 Hz
Mms	29.5 g
Bxl	6.24 Tm
Sd	490.9 cm²
Le (1KHz)	0.49 mH
Magnet Type	Ferrite
Basket Material	Pressed Sheet Steel
Voice Coil Winding Material	Copper
Voice Coil Former Material	Kapton
Cone Material	Paper
Surround Treatment	No
Surround Material	Paper – Integrated
Dust Dome Material	Felt

ZJ06090.pdf

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