MODEL G-1
Owner’s Manual
… Respect for the past with insight to the future
Model G-1 Guitar Amplifier Owner’s Manual
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TABLE OF CONTENTS
INTRODUCTION.......................................................... 3
FRONT PANEL ............................................................. 4
REAR PANEL ................................................................ 7
FOOTSWITCH CONNECTION DETAILS ............... 8
SPECS ............................................................................. 9
TUBE PLACEMENT .................................................. 10
WARRANTY................................................................ 11
SAFETY INFORMATION ......................................... 12
Ladner Engineering Group LLC
124 Main Street
Post Office Box 3971
Bay Saint Louis, Mississippi 39520
USA
www.ladnerengineering.com
Model G-1 Guitar Amplifier Owner’s Manual
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INTRODUCTION
Generations of amplifiers have ushered sounds that are
unmistakable and powerful. From early amplifiers of
Fender and Marshall to the modern amplifiers of
Mesa/Boogie and Two Rock, there has been a lot of
magic trapped within the tubes. Ladner Engineering has
developed a new generation of vacuum tube amplifiers
that hopes to cement its name within the greats of the
past. First off, we thank you for purchasing the G-1
amplifier the first Ladner Engineering Group design. The
G-1 was developed to be an amplifier of versatility and
soul. From the fat powerful clean sound to the singing
overdrive, the G-1 was designed with the musician in
mind. Creating a palette of tones that can be used to
maximize the potential of the player and his sound.
Players also demand reliability and that was not over
looked. With all our amplifiers we ensure a hundred
percent quality within our hand built amplifiers. Built
upon a ceramic strip substrate, we kick quality up a
notch, no circuit boards, turret boards, no boards at all,
leaving out any potential malfunction from the substructure. The heart and soul comes primarily from our
custom designed Mercury Magnetic transformers, in
response to our fine tuned pre-amp section to deliver
nothing less than pure tonal performance. Each knob
has sensitive control in their respective position, bringing
forth a wide spectrum of sounds to choose from. Enough
of this stuff, go out and play your G-1 for a thousand
hours a day!
Andrew & D.C. Ladner
Ladner Engineering Group
Model G-1 Guitar Amplifier Owner’s Manual
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FRONT PANEL
1 - INPUT - ¼” jack that delivers the signal from
the guitar to the first stage of gain in the
amplifier.
2 - GAIN - Controls the level of the first gain
stage, and is very important down the line with
response to the tone stack and overdrive
circuits. With response to the overdrive it acts
as the first of the cascading gain stages.
3 - BRIGHT – Delivers more brilliance to the tone
circuit and increases the treble response in the
preamp. This switch can help to make darker
instruments (such as those with humbuckers) to cut
through and improve attack.
4 - ALT TONE – This is a unique switch that
reconfigures the tone stack to deliver a flatter
response (like on many early tube hi-fi amplifiers).
Most amplifiers have scoop within the mid
range response of the amplifier to counter the
hump of mid frequency response within the
speaker. The normal position will make the
Model G-1 Guitar Amplifier Owner’s Manual
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amplifier respond in the traditional fashion. The
alternate position brings a flatter response,
which can benefit certain instruments (such as
lap-steel, pedal steel, electric violin, etc…). The
alternate tone stack also works great for the
jazz guitarist, helping to show the true tone of a
classic hollow body.
5 – BASS – adjusts the response of bass
frequencies within the tone stack. This is a very
dominant control and can bring the response
of the amplifier from “woofy” to “boomy” and
everything in between. All the knobs on the G1
are powerful and slight adjustments of one can
radically change the response of the others.
6 - MIDS – This very powerful knob in guitar
amplifiers can bring a sound from harsh to
beautiful just by the turn of a knob. Changing
the amount of mid range, this knob has a
significant control over the overall tone.
7 - TREBLE – Controls the amount of highs, and is
as equally as important as the mid. The treble is
very important and powerful knob in respect to
the overall tone. The Treble knob can bring the
amplifier from dark singing full on mid range
punch, to bright crisp attack.
8 – LOW DETAIL – Details, or kinda-tightens the
low-end response of the amplifier, it does not
cut or boost any bass. This enhancement can
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