G.I.P. Laboratory 9501 Contact us for pricing The GIP-9501 is the very best tweeter G.I.P. Laboratory builds and probably the best tweeter out there. Specificaties TypeField Coil horn tweeterField voltageDC7V 1.06A (external)Voice Coil impedance20ohmVoice Coil diameter1 inchDimensions (WxHxD)116 x 140 x 196mmWeight6kg Google Plus One Tweet Widget Facebook Like