Gurus Double decker 1959 User Manual

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Gurus Amps reserves the right to change technical features or look of his products in any moment without notice. This product
is pursuant to European Directives 89/336EEC

The 1959 Double Decker Introduction:

Inspired by the legendary British tone of 1959, The Double Decker
combines the two worlds of historic amps, from blues to hard rock in one
device. From slight crunch and sexy tone to boosted hi-gain levels. We
also doubled its potential uses, from the big stage to the bedroom. The
1959 Double Decker can be used with an amp or DAW and everything is
doubled!

1959 Double-Decker features:

-

Two independent channels equipped with Gain, Volume and an entire
tone stack for better sculpting of your tone.

-

Post Boost with Volume control can be activated on all three stages of
the unit, (Bypass, Floor 1, Floor 2) and it is self-disengaged simply by
pressing another button.

-

Tube FX Loop with series/parallel switch (especially useful when used
with amps with no effects loop or series only)

-

Remote outs for connections with analog switchers.

-

Balanced/unbalanced D.I. Out with Direct/Emulated option (Speaker
Sim. of a 2x12” - V30/SM57) that can be used simultaneously with
the standard output of the unit or alone as interface for excellent quality
audio recordings.

When we designed the 1959 DD, we always kept in mind the sound we
wanted to produce with rich details, harmonics and an organic sound with
tons of dynamics:! an “in-your-face” tone. We also wanted to create a
device which could easily obtain these great tones with effective and
intuitive controls.1959 DD required a lot of engineering work to fit the size,
despite using the high quality components normally used in amplifiers and
with the important consideration of space. To keep the standard pedals
power supply (9-12VDC Negative tip), we pushed our Twin Dynamic ™
over the limit, making it able to increase the input voltage many times so
as to obtain the maximum dynamic range of the signal. 1959DD is your
perfect companion on the stage, both as an "Overdrive warehouse" on
your large pedal board, or in a small setup with the effects placed in the
loop. It is also great for studio or home use providing your records an
excellent starting point for your guitar sound, Simply connecting it to your
PC with or without Speaker simulator.

Terms of Warranty

Gurus product warranty covers 2 years from date of purchase with the
exception of moving mechanical parts such as foot switches, speakers and
handles which have a 1 year warranty. The valves, lights and cables are
guaranteed for 3 months from the date of purchase.!
The warranty does not cover damage caused by accident, misuse and / or
neglect, failure to comply with the instruction manual, repair and attempted
repair by personnel not authorized by Gurus Amps, any damage caused during
transport and delivery, (claims must be presented to the carrier); damage to
any product that has been altered or on which it has been removed, defaced or
altered serial number; damage caused by faulty connections or connections to
equipment failures and/or defective power cables.!
Responsibility of Gurus Amps for any defective product is limited to repair or
replacement of the product at our discretion.!
The Gurus Amps is not to be considered liable for damages resulting from loss
of use of the product, lost time operation interrupted by non-use of the
product, loss of business or any other damages or incidental, consequential or
otherwise; damage in transit or damage caused by inadequate packaging or of
poor quality.
Assistance: Please contact us for information on how, where and when to ship
the product. The repaired goods will be packed carefully and we recommend
not include any accessories such as cables, effects, manuals, etc. ..Please
attach a copy of the original receipt of purchase (invoice or receipt) together
with a problem description and your personal data.
THE WARRANTY IS NOT VALID 'WITHOUT A COPY OF YOUR RECEIPT OF
SALE CERTIFYING THE DATE OF PURCHASE.!

!

The costs of labor and material guarantee shall be borne by Gurus Amps.!
PACKING AND SHIPPING COSTS ARE ALWAYS IN CHARGE TO CLIENTS.

Rear panel’s connections:

Use the FTSW1/2 Out to remote all 4 function buttons by a looper switcher
with a Trs Jack Stereo/Dual Mono “Y” - “insert” cable.

With the Send/Return Out you can connect your favorite FX chain into the 1959DD’S
buffered Fx Loop, being able to select Serial or Parallel Mode for best results.

Use the D.I. Out to connect to your DAW or to Mixing Console, being able to
choose direct or emulated out you are free to use Plug ins Cab. sim.or have
a great tone with our own Spk. Sim. (It can be used simultaneously with unit’s out)

General Details:

Power 9VDC (Negative Tip)
Power 12VDC (Negative Tip)
Max Consumption
S/N Ratio
Max Gain
Max Boost
Input Impedance
Output Impedance
Send Impedance
Return Impedance
D.I.Out Impedance
Serial FX Loop
Parallel FX Loop (50%)
Max Return Signal
Max D.I.Out Signal
Dimensions

Connections:

Main Power:
Input
Output
Send
Return
D.I.Out

230 mA
280 mA

300mA

58db
98db

8db

<1M Ohm
<100K Ohm
<100K Ohm
<100K Ohm

<47K Ohm

0db

0db
0,3Vpp
0,1Vpp

220x125x50mm.

DC 2,1mm.

Guitar Input

To Amp In

To FX In

To FX Out

To DAW, Mixer,

etc

Controls Floor 1:

Gain Floor 1
Volume Floor 1
S/N Ratio

Tone Stack:

Treble
Middle
Basse

Controls Floor 2:

Gain Floor 2
Volume Floor 2
S/N Ratio

Tone Stack:

Treble
Middle
Basse

Others:

FSW 1:
FSW 2:
Series
Parallel
Direct
Emulated

65db

0 to +10db

52db

7800Hz +/-12db

850Hz +/-10db
120Hz +/-10db

98db

0 to +10db

58db

6500Hz +/-12db
1000Hz +/-10db

120Hz +/-10db

Bypass/Floor 1

Floor 2/Solo

100% Post EQ Mix

50% Post EQ Mix

No SPK. Sim. +4db

SM57 + 2xV30

1959 DD Block Diagram:

Floor 1 - CRUNCH - 70’s

Floor 1 - SEXY - 59’s Edge

Floor 2 - LEAD1 - Rhythmic

Floor 2 - HEAVY LEAD -

Floor 2 - LEAD2 - 80’s Rock

Floor 1 - HEAVY - Crunch

1959 Double Decker Features so many functions as 8 single pedals to obtain same
flexibility. And they wouldn’t probably be enough! The Double decker is equipped with
HQ buffers and its Solo maybe used also on the Bypass mode, just like a third pedal.

As in the sample rig below, you can use your 1959DD both in front of amp and, via the
D.I.out, to mixer or DAW simultaneously for a nice live monitoring or excellent quality
live recordings.