Evans 13" Hydraulic Black Drum Head Spectrasonics plus a stereo subwoofer output

plus a stereo subwoofer output with programmable level offset and filter that can be assigned to any of the three speaker pairs (or used for a 4th pair of studio monitors)

but when a transformer is properly designed and built

9 / Medium deep / 24

Depth Behind Panel: 12

Ernie Ball Super Slinky Bass Strings are round-wound for maximum clarity and serious punch

Evans 13" Hydraulic Black Drum Head Spectrasonics plus a stereo subwoofer outputEvans 13 Inch Hydraulic Black Drum Head Exclusive to the Evans line are Hydraulic drumheads: heavy duty, twin ply heads with a layer of oil between the plies to greatly reduce resonance and emphasize the drum's lower overtones. Hydraulic heads are an excellent alternative to inconsistent methods of drumhead muffling.