2.5. Technical specifications
J8/J12 system data
Frequency response (–5 dB standard) 48 Hz - 17 kHz
Frequency response (–5 dB CUT mode) 85 Hz - 17 kHz
Max. sound pressure (1 m, free field)
J8 with D80/D12/30D 145 dB
J12 with D80/D12/30D 143 dB
(SPLmax peak, pink noise test signal with crest factor of 4)
J8/J12 loudspeaker
Nominal impedance LF/MHF
6/12 ohms
Power handling capacity LF (RMS/peak 10 ms) 500/2000 W
Power handling capacity MHF (RMS/peak 10 ms) 200/800 W
Nominal dispersion angle (horizontal) J8/J12 80/120°
Splay angle setting 0 ... 7 (1° increment)°
Components 2 x 12" LF driver
1 x 10" MF driver
2 x 1.4” exit compression driver
Passive crossover network
Connections 2 x NLT4 F/M
optional 2 x EP5 or NL8
Pin assignment NLT4 F/M: 1+: LF+/1–: LF– / 2+: MHF+/2–: MHF–
EP5: 1: LF+/ 2: LF– / 3: MHF+ / 4: MHF– / 5: SD
NL8: 1+: LF+ / 1–: LF– / 4+: MHF+ / 4–: MHF– / 3–: SD
Weight 60 kg (132 lb)
J8/J12 cabinet dimensions in mm [inch]
J8 frequency response, standard and CUT modes
J12 frequency response, standard and CUT modes
d&b J8/J12 Manual 2.2 en 9