Eminence Signature GA10-SC64-16 10" George Alessandro

A Signature Designed for Guitar: The Spirit of the George Alessandro Series

The GA10-SC64 belongs to the George Alessandro Signature series from Eminence, a range developed to offer speakers primarily oriented towards "amplifier sound": a natural playing feel, dynamic response, and a tonal character that immediately fits into a guitar mix. In this context, the GA10-SC64 positions itself as a 10-inch option dedicated to guitarists seeking a distinctive personality, while maintaining a compact and versatile format for combos.

For Which Guitarists and Amplifiers?

Designed for guitar amplifiers, the Eminence GA10-SC64 targets musicians who want to restore a clear identity to their combo, refine their stage projection, or regain a more lively response under their fingers. Its 10-inch (254 mm) format is especially suitable for amplifiers where a fast attack, good definition, and an immediate "punch" sensation are expected, whether in rhythm playing or lead.

With its nominal impedance of 16 ohms, it easily integrates into many configurations: direct replacement of an existing speaker, installation in a 2x10 setup to achieve a suitable final impedance, or optimization of a cabinet where controlling coupling with the power stage is desired. Regarding power, it is rated at 20 W nominal and 40 W program: a coherent choice for low to medium power amplifiers, where the way the speaker responds under load is also appreciated.

Design Choices Serving Tone and Feel

Useful Response and Presence in the Mix

The usable frequency range from 100 Hz to 5.5 kHz emphasizes what is essential for guitar: clean lows without excess, mids capable of carrying the note, and a sufficiently present high range to maintain articulation. The resonant frequency (fs) at 100 Hz follows a typical 10-inch guitar speaker logic, promoting a tight response and a sense of control, particularly appreciated in combos.

Efficiency and Dynamics

With 98.2 dB sensitivity, the GA10-SC64 efficiently converts amplifier power into perceived volume. The result: direct projection, useful both in rehearsals and on stage, and dynamics that follow playing nuances. This level of efficiency also helps maintain clarity when layering multiple guitar tracks or when the amplifier needs to stay audible alongside drums.

Classic Materials, Musical Behavior

The design relies on proven materials: ferrite magnet, paper cone with paper surround, stamped steel frame, and copper voice coil on a paper former. The goal is to preserve an organic and responsive behavior, with a playing feel that is more "amplifier" than "hi-fi". The 1-inch (25 mm) voice coil contributes to the overall balance between definition, durability, and musicality within the specified power ratings.

Technical specifications

Cabinet impedance (Ω)	16 Ω	Type	Others
Power handling	20 MILLIWATT	Destination	Guitar amplifier
Speaker diameter	10"	Headphone outputs	No
Fictitious load	No	Color	Black
IR loader	No

Brand	Eminence	Maximum linear excursion (Xmax)	1.59 mm
Model	GA10-SC64	Equivalent compliance volume (Vas)	33.49 liters / 1.18 cu.ft.
Manufacturer reference	101647A-U	Maximum displacement volume (Vd)	58.2 cc
Series	George Alessandro Signature	Volume displaced by the speaker	0.77 liters
Applications	Guitar amplifier	Magnet	Ferrite
Nominal impedance	16 ohms	Frame materials	Stamped steel
Nominal power	20 W	Cone	Paper
Program power	40 W	Cone surround	Paper
Sensitivity	98.2 dB	Voice coil	1 inch (25 mm)
Resonant frequency (fs)	100 Hz	Voice coil material	Copper
Usable frequency range	100 Hz to 5.5 kHz	Voice coil former	Paper
Total Q (Qts)	1.28