VOX Amplification AC30C2X Manuel D'utilisation page 10

REAR PANEL LAYOUT
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1. POWER OUTPUT Jacks
NOTE! Hooking up a cabinet through the External jack will mute (disconnect) the internal
WARNING! To ensure that your system works correctly, you must observe the following
a) Don't use an extension cabinet whose impedance is other than 16 ohms.
b) Don't connect a speaker whose rated input capacity is less than 30 watts (for
c) You must use a speaker cable to connect an external speaker. Don't use a
d) You must turn off the power before connecting the cable. Connecting the cable
NOTE! It is recommended that all audio cables, with the exception of the speaker lead,
2. IMPEDANCE Select switch
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This is where you can hook up an extension or external speaker cabinet(s) if
desired.
EXTENSION SP: This speaker jack runs parallel with the internal speakers which
are wired for 16 Ohms. The extension cabinet must be 16 Ohms.
EXTERNAL SP: This speaker jack will mute (disconnect) the internal speakers and
you can hook up either a 16 Ohm or 8 Ohm cabinet. Be sure to set the Output
Select switch accordingly.
speakers!
points.
AC30C2(X)) or 15 watts (AC15C2/AC15C1(X)). The speaker may be destroyed
if you ignore this caution—not recommended!
shielded cable like the one you use to connect a guitar to an amp.
while the power is turned on may damage your amp.
used to connect to the AC30C2(X)/AC15C2/AC15C1(X) of a high quality,
screened type.
These should not exceed 10 metres in length. Always use a non-screened Vox
approved speaker lead with the AC30C2(X)/AC15C2/AC15C1(X) Amplifier and
extension cabinets.
16 OHMS: Combos allow for the following configurations:
1) Set it to this if you use the internal speakers only.
2) Set it to this if you connect an external 16 Ohm speaker cabinet through the
External jack.
8 OHMS: Combos allow for the following configurations:
1) Set it to this if you connect an extension cabinet through the Extension jack.
You'll be running the internal and external speakers in parallel. The impedance of
the extension cabinet must be 16 Ohms.
2) Set it to this if you connect an external 8 ohm speaker cabinet through the
External jack.
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(AC30C2(X) only)
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