Mesa/Boogie Subway Blues Operating Instructions Manual page 9

REAR PANEL:
1
A
A OFF B
2
FUSE
GROUND
1A SB
RECORDING SEND RETURN
GROUND: This switch reverses the polarity of the A.C. GROUND. It can be helpful in eliminating annoying hum or A.C. buzz as well
GROUND
1/2 A
FUSE
A OFF B
1A SB
RECORDING
FUSE: This is the A.C.'s (Alternating Current) main FUSE and provides electrical current protection from outside A.C. fluctuations, as
well as power tube failure damage. Should the FUSE blow, replace it with the same rating in a slo-blo type package. The domestic
U.S. version requires a 1 amp slo-blo FUSE. A power tube short or failure is often the cause of a blown FUSE...Follow the cold start
GROUND
1/2 A
FUSE
A OFF B
1A SB
RECORDING
BLUES amplifier was carefully constructed with reliability in mind! Given the proper care and maintenance, it will deliver years of
trouble free service. However, any pro guitarist who gigs a lot will tell you; spare FUSES are a must for the fabled cord bag and may
someday be worth their weight in gold. Spare tubes are also a very easy way to ensure an uninterrupted performance.
RECORDING: This jack provides direct-to-console interfacing for recording or sound reinforcement applications. It is a circuit dedi-
GROUND
1/2 A
FUSE
A OFF B
1A SB
RECORDING
Precautions 0
Overview 1
117V.
1A
60HZ
%
0% 10 0
FX MIX
MUTE SPKR ON
SILENT RECORDING
as those painful microphone shocks. It should be left in the center "OFF position when neither of
these problems are occuring.
procedure mentioned in the ON / STANDBY switch section and watch the power tubes as you turn
the STANDBY to the ON position. If a power tube is going bad or is arcing you will see it! Flip the
STANDBY switch to STANDBY immediately and replace the faulty power tube and the FUSE if nec-
essary. If you see nothing abnormal as you lift the STANDBY, it is possible that a power tube shorted
temporarily and blew the FUSE. If this is the case it may work again normally. To be extra safe you
may want to replace all power tubes in the "shotgun" troubleshooting tradition and save the replaced
set as spares.
NOTE: Like tires on a car, spare FUSES are always a measure of good insurance. Your SUBWAY
cated to reproducing the roll off that occurs in the output section with a speaker connected. With
accuracy, it faithfully captures the SUBWAY'S soulful character.
The send level strength is determined by the VOLUME (Gain) control. From this recording jack,
adequate signal level will be available for most of your recording or live direct sound reinforcement
needs.
D W P
TM
YNA - ATT OWER
HANDBUILT IN PETALUMA, CALIFORNIA.
SPEAKERS
4 OHM
8 OHM 4 OHM