Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8")

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Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Main
Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Construction Diagram
Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Frequency Chart
Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Main Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Construction Diagram Jensen C8R Vintage Ceramic Guitar Speaker (25 Watts, 8"), Frequency Chart
zZounds Gear Experts Say...
This speaker gives your amp a vintage sound and look. It produces a clear tone with bright overdrive.

The C8R has a crystal clear tone with brightly shining highs. It responds to overdrive distortion with a bright fuzz lead voice.

General Characteristics
Nominal Overall Diameter: 207 mm 8 in

Nominal Voice Coil Diameter: 25 mm 1 in

Magnet Weight: 280 g 10 oz

Overall Weight: 2.20 lbs

Flux Density: 1.0 T

Thiele-Small Parameters
Voice Coil DC Resistance RE: 7.0 Ohm

Resonance Frequency fS: 125.0 Hz

Mechanical Q Factor QMS: 11.61

Electrical Q Factor QES: 2.21

Total Q Factor QTS: 1.86

Mechanical Moving Mass MMS: 8.7 g

Mechanical Compliance CMS: 182 um/N

Force Factor BxL: 4.69 Wb/m

Equivalent Acoustic Volume VAS: 11.7 lt.

Maximum Linear Displacement XMAX: 1.0 mm

Reference Efficiency nO: 1.03 %

Diaphragm Area SD: 213.8 cm2

Losses Electrical Resistance RES: 37 Ohm

Voice Coil Inductance @ 1kHz LE: 0.43 mH

Constructive Characteristics
Magnet: Ferrite

Voice Coil: Winding Copper

Voice Coil: Former Kapton

Cone: Paper

Surround: Integrated Paper

Dust Dome: Treated Cloth

Basket: Pressed Sheet Steel

Electrical Characteristics
Nominal Impedance: 8 Ohm

Rated Power: 25 W

Musical Power: 50 W

Sensitivity@1W,1m: 92.7 dB

Reviewers gave this product an overall rating of 5 out of 5 stars. (6 ratings)
Submitted July 17, 2014 by Oliver R in Clarkston, MI

"Jensen C8R"

Overall: 5 out of 5 stars
(see rating details)
Verified Purchaser zZounds has verified that this reviewer purchased this specific product from us.
I have a Blackstar 4x8 cabinet and it is a great quality product, yet the sound of the 4 Blackbird 15 speakers is on the "darker" side, clear but too much low end for my taste. I was barely able to play with the BASS knob on the Amp (Jet City Pico Valve). I was looking for a brighter speaker and had chosen the Jensen C8Rs over the Celestion Eight 15. I only replaced 2 of the Blackbird 15, just to see if the sound improves, and ... ,what a difference. So I will buy 2 more C8Rs to replace all the blackbird 15s , that will get my sound where I like it. The mounting holes are exact the same, so the replacement was very easy.
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