Gurus Optivalve MK II Tube-Optical Compressor / Limiter effectpedaal Gurus Optivalve MkII manual

OPTIVALVEmkII

USER’S MANUAL

FOXGEAR LLC

2011 Westley Ct, Safety Harbor,

34695 Florida - USA

[e-mail]

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 not be liable for damages resulting from loss of use of the product, lost time operation interrupted by non­use 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 after the return has been
Authorized by Gurus . The repaired goods should 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 THAT THE DATE OF

PURCHASE.!

!
The costs of labor and material guarantee shall be borne by Gurus Amps.!

!

PACKING AND SHIPPING COSTS ARE ALWAYS WITH YOU

Foxgear LLC™ 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 OPTIVALVE Tube-Optical Compressor Pedal is the last word in
Compressor Pedals with all the advantages of! the legendary Studio
Outboards that have made history in music, but more versatile and easier
to use.
Use it in different ways, as a studio outboard, or in your pedalboard. (we
suggest at the end of the chain)
As a standard compressor pedal to bring out the tone suitable in various
styles: funky, blues, rock, etc.
It can be used like a Limiter, to obtain maximum clean volume from your
Amp without crunch it, or as an incredible enhancer of your TONE.
Use the “See thru Magic EYE” to view the Compression reduction level.
Use it with your Guitar, Bass, Keyboard, Acoustic Guitar, or as real
outboard for your mixing tracks.

INTRODUCTION:

Power In 12VDC (negative TIP)
Consumption at 12V max 300mA

Input Impedance <=1M Ohm

Output Impedance <=10K Ohm
S/N ratio <90db
Distortion max 2%THD
Estimated tube Life Up to 5000Hrs.
Larghezza (Width) 220mm. (8,6”)

Lunghezza (Lenght) 130mm. (5,1”)
Altezza (Height) 50mm. (2”)
Peso (Weight) 0,7Kg. (1,5lbs)

TECH SPECS.

SOFT LIMITING/ENHANCING:
Use this setting with the Optivalve in your pedalboard
to give you the maximum headroom available by your
amp without affecting it’s input.
Optivalve will enhance your soft touch, and limiting
when you attack notes harder.!

ACOUSTIC GUITAR::

Slightly open the Tone control to perfectly match the tone of
your acoustic guitar, even with higher compression values.
The Ratio control can be used fine tune how much you want
the Optivalve to affect your dynamics of your signal.
This setting maybe used in mix insert or on the stage “Live”
to achieve the desired tone from your acoustic guitar.

HARD TRACK LIMITING:
Optivalve can be used as a standard outboard effect
on your mix for any instruments. With this setting you
can use as a Limiter.
Use tone control to better fit the output sound.

1) INPUT: set the threshold on the input signal

2) RATIO: set the compression ratio

3) OUTPUT: set the output gain

4) TONE: adjust the EQ

5) COMPRESSION: shows the comp level.

6) TUBE

7) TRUE BYPASS SWITCH

8) INSTRUMENT INPUT

9) MAIN OUTPUT

10) POWER DC12V - 300mA

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CONTROLS: