Fuse; Fx Loop: Series - Mesa/Boogie Lonestar Special Owner's Manual

REAR PANEL: Controls & Features
WARNING:
Unplug power
before replacing
fuse or removing
bolts mounting

FUSE

chassis
First set sound with
LOOP bypassed. Then
FUSE
set SEND & OUTPUT
to 50% for unity gain.
With LOOP IN, adjust
SEND to match FX.
POWER FUSE WER FUSE
Use OUTPUT for
120 V~ 2 A
RETURN level and
live volume control.
60 Hz SLO
2 A BLO
HAND BUILT IN PETALUMA CA.
FUSE:
This is the A.C.'s (Alternating Current) main fuse and provides 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 2 amp Slo-Blo FUSE. A power tube short or failure is often the cause of a blown FUSE...Follow the
cold start procedure mentioned in the ON/STANDBY switch section and watch the power tubes as you flip
WARNING:
Unplug power
before replacing
the STANDBY to the ON position. If a power tube is going bad or is arcing you will see it! Flip the STANDBY
fuse or removing
bolts mounting
chassis
FUSE
switch to Standby immediately and replace the faulty power tube and the FUSE if necessary.
FUSE
POWER FUSE POWER FUSE
If you see nothing abnormal as you switch the STANDBY on, it is possible that a power tube shorted temporarily
120 V~ 2 A
60 Hz SLO
and blew the FUSE. If this is the case it may work again normally. To be safe, you might want to replace just
2 A BLO
the adjacent tube or all power tubes in the "shotgun" troubleshooting tradition and save the replaced set as
spares. Spare fuses are a must for the fabled cord bag along with your spare tubes. Always carry both for they could be worth their
weight in gold someday.

FX LOOP: Series

the preamp and power section. This loop is wired such that the dry signal is in series with the effected (wet) signal. The circuit also
incorporates a SEND LEVEL control allowing you to fine tune the output of the preamp circuit to match the input sensitivity of your
NORMAL
First set sound with
LOOP bypassed. Then
set SEND & OUTPUT
MIN
to 50% for unity gain.
With LOOP IN, adjust
SEND LEVEL
SEND to match FX.
Use OUTPUT for
TUBES: see owner's
RETURN level and
1 x 5Y3
live volume control.
ONLY
NOTE: The Front Panel OUTPUT and SOLO controls are both part of the Loop and therefore active only when the Effects Loop
is engaged. They are both part of the Return stage and will remain inactive as long as the loop bypass mini toggle is set to HARD
BYPASS.
To connect your outboard processor(s) to the Effects Loop;
1.) Connect the SEND jack on the Lone Star Special Rear Panel to your processor's INPUT using a high quality shielded cable of
the shortest possible length.
2.) Connect the RETURN jack of the Lone Star Special to your processor's OUTPUT also using a high quality shielded cable of the
shortest possible length.
3.) Adjust the SEND LEVEL control on the Rear Panel of the Lone Star Special to achieve an adequate match on the INPUT level
indicator of your processor. Adjust the processor Output level stage (hopefully your processor has an OUTPUT LEVEL control) to
NORMAL
SEND RETURN
MIN
SEND LEVEL
TUBES: see owner's
manual
1 x 5Y3
ONLY 4 x EL-84
The Lone Star Special handles outboard processing by providing an on-board patch point between
LONE STAR
SEND RETURN
HARD BYPASS
manual
4 x EL-84
M B
ALL - TUBE
ESA OOGIE
LONE STAR
AMPLIFIER
CH 2 REVERB CH 1
REVERB
LOOP
BRIGHT
IN
REV WARM
HARD BYPASS
processor (or first processor in a rack system).The EFFECTS LOOP
M
circuitry can be completely removed from the signal path with the
HARD BYPASS/LOOP IN mini toggle. This removes all associated
loop circuitry and two tubes from the chain and ensures the purest
LOOP
IN
signal path and maximum sonic performance when outboard process-
ing is not being used. The SEND and RETURN jacks incorporate
switching elements so that you may use the LOOP IN selection and
activate the Front Panel OUTPUT and SOLO controls with nothing
connected to the Loop.
PAGE 12
CHANNEL SOLO
FAN ON
EXT
SW
FAN OFF
SPEAKERS
SLAVE
OPTIONAL
MAIN OUT
FOR 35 WATTS FOR 30-15-5 WATTS