Rear_Panel; Fuse; A.c._Receptacle - Mesa/Boogie Big-Block 750 Owner's Manual

reAr PANeL CONTrOLS:
REAR VIEW: Big Block 750
:
CAUTION
Unplug power
before removing fuse or
bolts holding chassis
GROUND
LIFT
POWER FUSE
120 V~ 15A
60 Hz SLO
15 A BLO
HANDBUILT IN PETALUMA , CALIFORNIA

FUSE:

This is the A.C. Mains Fuse for the BIG BLOCK 750. REPLACE ONLY WITH A SLO-BLO TYPE FUSE OF THE PROPER
RATING. THIS IS EXTREMELY IMPORTANT, AS THE BIG BLOCK 750 DRAWS A SUBSTANTIAL AMOUNT OF CURRENT AT
HIGH OUTPUT LEVEL SETTINGS.
:
CAUTION
Unplug power
before removing fuse or
FUSE rating for USA - 15A S.B. / 120 Volts.
bolts holding chassis

A.C._RECEPTACLE:

The removable "Euro" Style" A.C. cord that is supplied with the BIG BLOCK 750 makes set-ups and tear-
downs after the gig a snap. It also makes de-racking much easier when you wish to remove the unit from a hardwired
POWER FUSE
rack system where all the A.C. cords have been cable-tied in. Additional heavy duty cords are available should you
120 V~ 15A
60 Hz SLO
ever need one...simply call us and we can ship one directly to you for a nominal charge, plus shipping cost. Make
15 A BLO
sure the A.C. cord is firmly in its socket (receptacle) before powering up the amplifier.
NOTE: NEVER ALTER THE THREE PRONG POWER CORD IN ANY WAY.
GROUND_LIFT,_POST/PRE,_DIRECT_
to send a Balanced signal to either a House Main Board or a Recording console. There are four elements to this circuit which are;_(1)
a male XLR jack, (2) a LEVEL control, (3)_a POST / PRE switch and (4) a GROUND LIFT switch. Here are their functions and how
to use them.
:
CAUTION
Unplug power
before removing fuse or
bolts holding chassis
GROUND
LIFT
POWER FUSE
120 V~ 15A
60 Hz SLO
15 A BLO
HANDBUILT IN PETALUMA , CALIFORNIA
M-PULSE BIG BLOCK 750
POST PRE
SIMUL STATE BASS AMPLIFIER
TUBE DRIVEN-MOSFET POWER
RETURN
DIRECT OUTPUT
FOOT
LEVEL
SWITCH
This section captures the entire pre-amp signal including the Effects Loop and allows you
LEVEL:_This rotary control allows you to set an appropriate level for the Direct Signal
POST PRE
to match the input sensitivity of the console. It is always best to start with the LEVEL
control zeroed-out before connecting a cable to the DIRECT output. This practice will
help to avoid accidental damage to the speakers or your engineer's ears from too hot
a setting upon hitting your first note.
DIRECT OUTPUT
POST_/_PRE: This switch lets you choose the type of signal you wish to send to the
LEVEL
console. POST gives you the entire sound of the pre-amp with the Parametric EQ,
Compressor and the Effects Loop (including processing from anything in the loop).
SLAVE
LEVEL
EFFECTS
SPEAKER
OUTPUT
SEND
SUGGESTED LOAD
TUNER
2 OHMS MINIMUM
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