
Tsakalis - Room #40 Overdrive Pedal
Tsakalis - Room #40 Overdrive, Onboard Boost and Variac Control, JFET Technology
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'Marshall™ Mojo In A Box'
Tsakalis - Room 40

Handmade in Athens, Greece
Over the years, Tsakalis have had many different types of Marshall™ amps on their workbench, some for repairs and others for customisation jobs. At Tsakalis, the guys are huge fans of the sound of these classic amplifiers, they still continue to excite them through the music of so many artists, they decided to try and capture its mojo – the true essence of the soul of this sound – and carefully place it in a little box. The end result is the Room #40!
Using jfet technology, Tsakalis endeavoured to stay loyal to the tone and feel of the following legendary Marshall™ amps: the PLEXI™ Super Lead (1959/1987), the PLEXI™ Super Bass (1992) and the JMP™ and JCM800™ (2203/2204).
The guys at Tsakalis focused on emulating the compression and sag coming from the power amp section, when these amps are pushed to the edge, while at the same time giving access to two famous mods, mod #39 (PLEXI™) and mod #34 (JMP™ & JCM800™). Of course the manifestation of their love for the late great Eddie Van Halen, who created the so called “brown sound” using an ohmite variac (variable transformer used to lower or raise the voltage going into the amplifier), could not be absent from this endeavour.
Finally, the guys incorporated the Presence control to make the sound adjustable to any circumstance, regardless of whether you are plugged into the front of an amp that may or may not have a bright cap or even straight to a power amp!
Tsakalis AudioWorks - Room #40
feat. Billy Merziotis
ROOM #40"Over the years, we have had many different types of Marshall™ amps on our workbench, some for repairs and others for customization. Being huge fans of the sound of these classic amplifiers, that still continues to excite us through the music of so many artists, we decided to try and capture its mojo - the true essence of the soul of this sound - and carefully place it in a little box. Thus the Room #40 was born!"

Tsakalis AudioWorks - Room #40 Overdrive
feat. Pete Thorn

The Tech Spec
• Handmade in Athens, Greece
• True Bypass
• 2 types of Marshall™ circuits PLEXI™ (19)/ JMP™ & JCM800 (22)
• Variac voltage control from 7.5V to 21V
• Classic Marshall™ 3 band EQ
• Versatile Presence control for matching pedal to darker or brighter amps
• Gain Boost controlled by a foot-switch and a dedicated trimmer
• Power supply : 9V Boss-type DC adapter (center -). Using 10V or more may cause sever damage to the pedal and void the warranty
• Max power consumption : 30mA @ 9V DC
• Heavy duty & light weight aluminum box. 73mm(Width) x 123mm(Length) x 55mm(Height)
• T.A.W. Limited Life-Time warranty
“Any trademarks attributed that are not owned by Tsakalis AudioWorks, are for demonstrative purposes and to identify the products of those manufacturers whose tones and sounds were studied during TAW’s sound development procedure, and are property of their respective owners”