Celestion G10 Vintage Guitar Speaker, 16 Ohm Has the fast response of a 10" but with the added vocal tones of a 12" it is an ideal choice to add depth to hollow sounding amps or for players who want added girth from their single coils. 10 inch ceramic magnet speaker available in 8 or 16 ohms. Has the fast response of a 10" but with the added vocal tones of a 12" it is an ideal choice to add depth to hollow sounding amps 10 inch ceramic magnet speaker available in 8 or 16 ohms.