Evans 13" Hydraulic Black Drum Head Spectrasonics 9 / Medium deep /

9 / Medium deep / 24

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)

000 Hz Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)  Impedance 146 Ohms Sensitivity (at 1 kHz

Depth Behind Panel: 12

Evans 13" Hydraulic Black Drum Head Spectrasonics 9 / Medium deep /Evans 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.