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TUNER OUT:
This Output jack will enable you to feed a tuner with a clean padded signal derived from the first gain stage. A
silent tune feature is engaged when you select TUNER on the Footswitch that mutes the signal to the speakers to allow you to tune
the instrument without disturbing the band and audience.
EXTERNAL SWITCHING JACKS:
These jacks allow (usually MIDI-programmed) operation of your amplifier’s functions
from an external switching source. In either case, the switching is accomplished by connecting (“shorting”) the jack’s “Tip” to its “Ring”
(or ground.)
Your Dual or Triple Rectifier Head was designed with versatility in mind. So to add to the already awesome
array of on-board features...we felt it essential that both of these Rectifier Heads be able to adapt their power output sections to use
the other classic pentode power tubes, the British style EL 34. These tubes are largely responsible for the signature
sound of many immediately identifiable and wonderful sounding amps created in Great Britain and used on some
of the best recordings to date. The nature of their sound is usually brighter in the extremely high frequencies...some
players find this almost thin at first.
However, aficionados of the EL34 sound know that nothing has the lushness of harmonics or spread like a power
amp using EL34’s. In truth EL34’s do focus in on a region of upper harmonics that 6L6’s reproduce, but not really
enhance, in the same way the EL34’s do.
This characteristic is sometimes preferred for sounds that range from a soft clip that would be used for chording or soloing, to an all
out high gain crunch or lead sound. Players that use mostly these types of sounds may prefer the EL34 clip to the 6L6’s that come
standard in both the Dual and Triple Rectifier Heads. If you need a variety of sounds and rely on a clean chording sound much
of the time, you will likely prefer the stock compliment of 6L6’s that both of these are fitted with. We feel the 6L6 is a more balanced
sounding tube that produces plenty of harmonic lushness, while at the same time delivering the rich lows that are crucial to both a
warm clean sound and huge, tight high gain crunch sound.
We recommend the 6L6 for reliability: In our many tests and continued use of the currently available EL34 type power tubes on
the market today, we regret to say that they do not appear to be as rugged in construction as the available 6L6. This is another reason
why your Dual or Triple Rectifier Head was shipped with 6L6 power tubes. If you plan to use the EL34’s we suggest that you keep
a full set of tubes and extra fuses with you during all performances in the event of a tube failure occurring when using the currently
available EL34’s.
SEND LEVEL
BIAS
SELECT
DIODE
CH 1EL-346L6 CH 2 CH 3
TUBE TRACKING
RECTIFIER
SELECT
MAIN
POWER
PATENTED 4,211,893; 5,091,700; 5,168,438; 6,621,907; 6,724,897; 7,193,458; 7,602,927
LOOP
ON
CH 1
CH 2
CH 3
FTSW
100 WATT HEAD
DUAL RECTIFIER
BEST TO USE TUBE TRACKING WITH EL-34s
TUNER OUT
120 V~
60 Hz
4A
4 A
SLO
BLO
SPONGY BOLD
SEND LEVEL
BIAS
SELECT
DIODE
CH 1EL-346L6 CH 2 CH 3
TUBE TRACKING
RECTIFIER
SELECT
MAIN
POWER
PATENTED 4,211,893; 5,091,700; 5,168,438; 6,621,907; 6,724,897; 7,193,458; 7,602,927
LOOP
ON
CH 1
CH 2
CH 3
FTSW
100 WATT HEAD
DUAL RECTIFIER
BEST TO USE TUBE TRACKING WITH EL-34s
TUNER OUT
120 V~
60 Hz
4A
4 A
SLO
BLO
SPONGY BOLD
SEND LEVEL
BIAS
SELECT
DIODE
CH 1EL-346L6 CH 2 CH 3
TUBE TRACKING
RECTIFIER
SELECT
MAIN
POWER
PATENTED 4,211,893; 5,091,700; 5,168,438; 6,621,907; 6,724,897; 7,193,458; 7,602,927
LOOP
ON
CH 1
CH 2
CH 3
FTSW
100 WATT HEAD
DUAL RECTIFIER
BEST TO USE TUBE TRACKING WITH EL-34s
TUNER OUT
120 V~
60 Hz
4A
4 A
SLO
BLO
SPONGY BOLD
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