General Characteristics
Nominal Overall Diameter 259 mm 10 in
Nominal Voice Coil Diameter 32 mm 1.26 in
Magnet Weight 426 g 15 oz
Overall Weight 1.6 kg 3.53 lbs
Flux Density 0.92 T
Voice Coil Winding Depth 9 mm 0.35 in
Magnetic Gap Depth 6 mm 0.24 in
Thiele-Small Parameters
Nominal Impedance 16Ω
Voice Coil DC Resistance RE 6 Ω 12 Ω
Resonance Frequency ƒS 96 Hz 105 Hz
Mechanical Q Factor QMS 9.78 13.06
Electrical Q Factor QES 2.01
Total Q Factor QTS 1.3 1.74
Mechanical Moving Mass MMS 18.3 g 14.7 g
Mechanical Compliance CMS 150 µm/N 156 µm/N
Force Factor BxL 6.64 Wb/m 7.6 Wb/m
Equivalent Acoustic Volume VAS 23.2 lt. 23.9 lt.
Maximum Linear Displacement XMAX ± 1.5 mm ± 1.5 mm
Reference Efficiency nO 1.61 % 1.33 %
Diaphragm Area SD 330.1 cm2 330 cm2
Losses Electrical Resistance RES 52 Ω 80 Ω
Voice Coil Inductance @ 1kHz LE 0.62 mH 1 mH
Constructive Characteristics
Magnet Ferrite
Voice Coil Winding Copper
Voice Coil Former Epotex
Cone Material Paper
Surround Material Integrated Paper
Dust Dome Material Solid Paper
Basket Material Pressed Sheet Steel
Surround Treatment No
Electrical Characteristics
Nominal Impedance 16Ω
Rated Power 35 W 35 W
Musical Power 70 W 70 W
Sensitivity@1W,1m 94.7 dB 94.5 dB
35 watts
Available in 8Ω, 16Ω

Adopted primarily in the Vibrolux® and Vibroverb® amps of the Brownface and Blackface era, the C10Q is a very easy to drive speaker that breaks up nicely with straightforward biting character. It was also very common in many Silvertone® and Valco® amps. It loves the 2x10 configuration and the floating baffles.

Guitarist Description
Straightforward tone with mid-frequency bite. Presented with overdrive distortion, it can sound edgy.
Specification Sheet
Product Dimensions
Note: all dimensions are in mm.
User Reviews

My 2 new C10Qs have added a wonderful huge tone to my 63 Vibroverb RI! They truly complete the Vibroverb and its easy to see why they are standard equipment on most Fender Amps. The tonal clarity coming from these C10Qs is unmatched. And they help enhance the reverb too! If you have a Fender amp and are looking for replacement or upgrade speakers, these are definitely the way to go!!


The C10Q is hands down, the BEST 10 ceramic speaker made... period. Great tone, and reliable. What more do you want?

Uri in Kent, OH

I bought 4 C10Qs for my 70's Fender Super reverb amp..and I couldn't be more delighted with the quality and sound these things produce..they really seem to suit this amp well..My old amp sounds better than ever! Thanks Jensen!

RL in Florida

Yes the Jensen C10Q that I ordered from you guys is a great speaker. Plugged into my 5w tube head, it sounds full and the clarity is amazing. If your looking for clean a sounding speaker that is also sensitive to natural overdrive, get this speaker.

Michael in Goldsboro, NC

I purchased a C10Q for a handmade pine practice amp cabinet to go with a high gain low wattage head. I couldn’t be happier with the way the C10Q sounds with the amp. This speaker is the voice of pure rock n’ roll.

Matt in Dallas, PA

Through a period of playing with a very loud country band, I found the opportunity to purchase additional Jensen speakers and settled on the Jensen C10Q model, using 2 -25 watt models and 2 -35 watt models (which really tightens up the low end). The tone of these speakers with the Bassman combo is too good to be chance alone. They are spectacular with Strats, Teles and my '83 Ibanez AM-205 Artist with humbuckers. Bell-like highs and harmonic grind is not lip-service for these speakers...they deliver consistently satisfying tone every day. When this amp hits the cusp of overdrive(4-5), it's a glorious tone that has a wetness that really brings out the nuances, especially if you are using fingers on the strings. The Jensens are voiced very specifically for the tonal range of any guitar I use. Country, Jazz, Blues, Funk and Rock are all well-served by Jensen quality and mystique. I hope the Jensen engineers never mess with a good thing! You guys got it right with this design! Don't change anything! Please! Thank you Jensen!

Gary in Memphis, TN