User Manual

V-4B Bass Guitar Amplifier
7
The Rear Panel
14. AC LINE IN: This is where you connect
the supplied AC power cord. Plug the
male end of the cord into a grounded
AC outlet.
DO NOT DEFEAT THE GROUND PRONG
OF THE AC PLUG!
15. FUSE: This protects the unit from
damage due to overload conditions or
power line surges. If the fuse blows,
replace it only with the same size and
type.
16. PREAMP OUT: This jack is a direct
post master preamp output for use with
an external power amp. Connect the
external amp’s input to this jack using a
shielded instrument cable.
17. POWER AMP IN: This jack connects
directly to the internal power amp for
use with an external preamp. When
using an external source, connect the
OUTPUT of the source to this jack using
a shielded instrument cable to feed the
signal into the power amp section. The
internal signal is disconnected when a
plug is inserted into this jack.
4 OHMS
USE WITH ONE 2 OHM CABINET
OR TWO 4 OHM CABINETS
USE WITH ONE 4 OHM CABINET
OR TWO 8 OHM CABINETS
2 OHMS 8 OHMS4 OHMS2 OHMS
BALANCED
OUT
SLAVE
OUT
POWER AMP
IN
PREAMP
OUT
AC LINE IN
GND
LIFT
SPEAKERS-100W @ SELECTED IMPEDANCE - CLASS 2 WIRING
POWERAMP
PREAMP
TUBE
COMPLEMENT:
6L6 6L6 6L6
12AU7 12AX7 12AX712AX7
6L6
MODEL
V-4B
AVIS: N'OUVREZ PAS LA COUVERTURE. N'EXPOSEZ PAS CET ÉQUIPEMENT À
LA PLUIE OU À L'HUMIDITÉ.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER
SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
AVIS : RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR.
CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE
RISK OF FIRE, REPLACE FUSE WITH
THE SAME TYPE AND RATING.
ATTENTION: UTILISER UN
FUSIBLE DE RECHANGE DE MEME
TYPE.
FOR 100V-120V :T4A H 250V
FUSE:
FOR 220V-240V :T2A H 250V
POWER CONSUMPTION 100W
14 15 16 17 18 19 20 21 22 23
18. SLAVE OUT: This jack receives the
same signal that is being sent to the
power amp. It is useful for powering
another amp (slave) from this unit’s
preamp.
19. BALANCED OUT: This XLR jack is the
output at the power amp in. Thus, it
will include any processing done in the
Preamp Out/Power Amp In loop. This
signal may be used to feed an external
power amplifier, mixing console or house
PA system.
 Thelift/gndswitch[20]isavailable
to reduce any noise that may occur
at the balanced output.
20. LIFT / GND: When this switch is
engaged, it connects the ground
connection at the balanced output
jack[19].Thismayhelpreduce
residual hum and buzz sometimes
picked up in line out signal cables.