REAR PANEL: Controls & Features
This 1/4” jack and its’ associated LEVEL Control capture the entire sound of the amplifier, both preamp and power sec-
tion, and give you an adjustable signal you can use for feeding outboard processing and/or additional power amplifiers. This signal is
derived from the speaker output and is then padded down to provide a usable range that will be appropriate for either the input stage
of a processor or the input of an external power amp.
The SLAVE output is not like the effects loop - in that once a signal has been taken from the SLAVE,
it can not be returned to the Stiletto RETURN jack or Input. Doing so will result in a feedback loop
which will produce a high pitch squeal much like a microphone held to a monitor.
Because the Stiletto is a high performance concert-ready head, this output is provided as a one-
way-send, intended for feeding large outboard rack systems which in turn feed additional tube power
amplifiers. In this scenario, the Stiletto would be a “dry” master head (tone generator) and this sound would then be fed via the SLAVE
output - to a rack of processing, then that signal would likely be split into stereo and fed to one or more stereo amplifiers for amplifica
-
tion of the separate “wet” sound. This scheme, while cumbersome and expensive, ensures the best big venue tone, as it preserves
the original master heads’ sound and gives you separate control over the wet sound in a parallel world. This separate treatment of
the processed sound mimics having separate channels of processing on playback in a recording console and is the ultimate way to
make sure there are no compromises in your live tone.
NOTE: While you can use almost anything as additional slave amplifiers, may we humbly suggest that using another Stiletto for mono
enhancement or, one of our dedicated rack mount all-tube stereo power amplifiers for stereo rigs - will preserve and in fact enhance
the original Stiletto dry signal. (Call us and ask to speak with a Product Specialist who can advise you as to which stereo model
would best suit your needs). We have designed these stand alone power amplifiers to deliver ultimate Tone, might and portability and
when combined with your Stiletto, they will create a dream rig of mind-bending performance.
These are the Speaker Outputs for connecting your cabinet(s) of choice. Your Stiletto is not very sensitive to im-
pedance mismatching and therefore we encourage experimentation with regards to speaker loads. You may feel free to try an 8 Ohm
load on the 4 Ohm jack or a 16 Ohm load on the 8 Ohm jack as you may discover a characteristic that the mismatched load imparts
on the sound that is desirable.
MESA 4x12 cabinets are wired in Series/Parallel and are rated at 8 Ohms and these should
normally be connected to the 8 Ohm jack. When using two
MESA 8 Ohm 4x12 cabinets, con-
nect them each to a 4 Ohm jack as doubling the load on each jack produces a total load of 8
Ohms and is a proper impedance match.
Feel free to use speaker cabinets built by other manufacturers (at least until such time you can
check out a
MESA cabinet) and these are often wired to produce a 16 Ohm load which you
would want to connect to the 8 Ohm jack. Two 16 Ohm cabinets would be connected each to
an 8 Ohm jack. Overall your Stiletto is very impedance friendly and most speaker loads will work great with the exception of slightly
shorter power tube life occurring when a mismatch in the low direction (two 4 Ohm cabs - each in a 4 Ohm jack to produce a total
load of 2 Ohms) is used for long periods of time.
PAGE 12
SPEAKERS
FX LOOP
LEVEL
SLAVE
OUT
4OHM 4OHM 8 OHM
8 OHM
HANDBUILT IN PETALUMA , CALIFORNIA
SILICON
DIODE
CH 2 CH 1
TUBE
RECTIFIER
TRACKING
CHANNEL SOLO
EXT SWITCH
STILETTO
ALL TUBE INSTRUMENT AMPLIFIER
RETURN SEND
SEND LEVEL
LOOP IN
WARNING: Unplug power
before replacing fuse or
removing bolts mounting
chassis
FUSE
POWER FUSE
120 V~
60 Hz
4
A
4
A
SLO
BLO
OOGIE
B
M
ESA
The Spirit of Art in Technology
FX LOOP
HAND BUILT IN PE
4OHM 4OHM 8 OHM
8 OHM
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