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.

• Lows: Loose
• Mids: Aggressive
• Highs: Bright
• Overdrive: Edgy

Product Measurements

Diameter: 10 in.
Voice Coil Diameter: 1.25 in.
Depth: 3.8779 in.
Outer Diameter: 10.1969 in.
Inner Diameter: 9.0944 in.
Mounting Hole Bolt Circle Diameter: 9.6456 in.
Magnet Assembly Diameter: 4.0157 in.
Mounting Hole Diameter: 0.2559 in.
Nominal Overall Diameter: 259.00 mm
Nominal Voice Coil Diameter: 32.00 mm
Flux Density: 0.92 T
Voice Coil Winding Depth: 9.00 mm
Magnetic Gap Depth: 6.00 mm
Magnet Type: Ferrite
Voice Coil Winding Type: 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
Voice Coil DC Resistance (Re): 6.00 Ω
Resonance Frequency (ƒS): 96.00 Hz
Mechanical Q Factor (QMS): 9.78
Total Q Factor (QTS): 1.30
Mechanical Moving Mass (MMS): 18.30 g
Mechanical Compliance (CMS): 150.00 µm/N
Force Factor (BxL): 6.64 Wb/m
Equivalent Acoustic Volume (VAS): 23.20 liters
Linear Displacement, maximum (XMAX): 1.50 mm
Reference Efficiency (nO): 1.61 %
Diaphragm Area (SD): 330.10 cm2
Losses Electrical Resistance (RES): 52.00 Ω
Voice Coil Inductance @ 1 kHZ (LE): 0.62 mH
Rated Power: 355.00 W
Musical Power: 70.00 W
Sensitivity @ 1W, 1m: 94.70 dB