สภาพสวยราคา 37,900.B สนใจติดต่อ 0816623531
683 4-driver, 3-way vented-box speaker
Drivers: 1" aluminum dome tweeter, 6" woven Kevlar cone FST midrange, 2 x 6.5" aluminum/paper/Kevlar cone bass
Frequency range: -6dB at 30Hz and 50kHz
Frequency response: 38Hz-22kHz +/-3dB on reference axis
Harmonic distortion: 2nd and 3rd harmonics (90dB, 1 meter) <1% 90Hz-20kHz; <0.5% 120Hz-20kHz
Nominal impedance: 8Ω (minimum 3Ω)
Crossover frequencies: 350Hz, 4kHz
Recommended amplifier power: 25W-200W into 8Ω, unclipped
Sensitivity: 90dB (2.83V, 1 meter)
Dimensions: 38.8" x 7.8" x 13.4" (HxWxD)
Weight: 57.3 lbs