Gallien-Krueger 700RB-II Manuel du propriétaire - Page 7
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Rear Panel Features
AC Receptacle: Standard IEC receptacle. The power
cord plugs in here.
700W or 480W Amp Only: ¼" speaker output jacks.
Impedances lower than 4 Ohms should not be used.
Higher impedances such as 8 Ohms, 16 Ohms, or no load
are acceptable. One 4 Ohm, one 8 Ohm, or two 8 Ohm
cabinets are okay. One 4 Ohm and one 8 Ohm together is
not recommended.
Horn Bi-Amp System
Your amplifier incorporates GK's unique horn bi amp system. This feature is automatically engaged when you connect
to a GK HBA compatible enclosure, giving you completely independent control of the tweeter and woofer signals. Now
you can push the woofers to the max while the tweeter remains clean, crisp, and free of clipping distortion. A smooth
tight tone is easily dialed in by adjusting the tweeter and woofer master controls on the amplifier front panel.
Horn Bi-Amp Mode: This mode requires a GK horn
bi amp compatible bass cabinet. Use a properly
wired four conductor Speakon cable to connect to
your cabinet. Set the switch on the back of your GK
HBA compatible enclosure to bi amp. In this mode, the
cabinet's internal crossover is bypassed. Use the
woofer/main knob to control the output signal to the
woofer, and the tweeter knob to control the output signal
to the horn.
Note: The 50W horn amplifier has a fixed frequency
output of 5kHz and up (high frequencies only). It
will not provide a usable signal to drive a separate
speaker cabinet.
GK Speakon Cable Wire Configuration:
1+ Woofer Amp +
1-
Woofer Amp -
2+ Horn Amp +
2-
Horn Amp -
700RB-II & 1001RB-II
AC INPUT
~120V/60Hz
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Speakon Outputs: High current twist lock Speakon output
connectors. Pins 1+ and 1- send a full range signal from
the main (woofer) amplifier. Pins 2+ and 2- send a signal
5kHz and above from the tweeter amplifier. Use a four
conductor Speakon cable when connected to a GK horn
bi-amp compatible speaker cabinet. Use a standard two
conductor Speakon cable when connected to a non GK
cabinet or if you're using a Speakon to ¼" adapter.
Full range Mode: This mode is compatible with
virtually any standard bass cabinet. Use a two
conductor Speakon cable or a ¼" speaker cable to
connect to your cabinet. If using a GK HBA
compatible enclosure, set the switch on the back
of the cabinet to full range. In this mode, the cabinet's
internal passive crossover is used to split the signal
between the woofer and horn. Use the woofer/main
knob on the front of the amplifier to control your output
level. The tweeter knob is not used.
Note: To avoid the risk of damage to the amplifier, do
not use a four-conductor Speakon cable with non GK
cabinets. Instead use a two-conductor Speakon or ¼"
speaker cable.
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