Tefi Vintage Lab GEGÈ User manual

Te Vintage Lab is pleased to welcome you to our family. We hope you
enjoy using our new Gegè germanium fuzz. Feel free to get in touch
for any suggestions or clarications as to how you might best use the
effect. Play music and enjoy using our products!
Gegè - Germanium fuzz
The oldest distortion effect of them all is revisited by TEFI Vintage
Lab in an original concept that merges NOS germanium transistors,
essential for their sonic characteristics, in a new design to get a wide
variety of modern and dynamic fuzzy sounds. From light dynamic
growl to angry uncontrollable distortion.
Despite being one of the simpliest TEFI designs, a year and half was
spent in research and development to get original sonic results, whe-
ther using Single Coil or Humbucker tted guitars.
We suggest placing Gegè as a rst pedal in an effects chain, or after
other True-Bypass equipped pedals only, because its typical sonic
characteristic is linked to direct interaction between the guitar’s pi-
ckup and Gegè’s non-linear amplitude variable low input impedance.
Interposing buffered pedals between a guitar and the Gegè Fuzz will
not damage it in any way, but its original sound will be considerably
altered.
Caution! Do not connect Gegè Fuzz in a common ground multiple output power supply
(daisy chain)!
The Gegè’s internal circuit uses PNP germanium transistors and, unlike to the more commonly
used negative ground pedals, the circuit’s ground is connected to the positive terminal (“posi-
tive ground”). If you connect Gegè to a common negative pole ground multiple output power
supply (daisy chain), the positive ground of Gegè shorts to the negative ground of the power
supply, causing malfunction and possible damage.
You must use a 9V stabilized battery, a stand-alone or a galvanic insulated ground multiple ou-
tput stabilized power supply only.
TEFI Vintage Lab is not responsible for damage or malfunction due to power connection mista-
kes, or by using inappropriate power supply sources that do not respect the specications and
warning stated above.
GEGÈ Operating Manualwww.tevintagelab.it
Dimensions
Battery type
Power supply/
Power consumption
Input impedance
Output impedance
Power connection/ground
9Vdc/approx. 35mW
(I-max: 4mA @ 9Vcc )
Average 10 kOhm (depends on
guitar pickup type and frequency)
Average 1 kOhm (depends on
Volume and Tone knob positions)
Negative tip/positive ground
(use separate supply only, do not
connect in a daisy chain!)
Chassis
Max Gain
Weight
Signal switching
110x55x48 mm
+9V (6LF22)
Die-cast aluminum
+58dB
230gr. (without battery)
True bypass
TECHNICAL SPECIFICATIONS

CONNECTION AND USE
• Connectingtoinstrumentandamplier/gear: connect your instrument
(or gear effects chain) to the Input jack on the pedal’s right side with a
6.3mm Jack instrument cable. Connect the output jack on the pedal’s left
side to an amplier (or to the next effects in your chain) with a 6.3mm Jack
instrument cable.
• Battery: to access the battery compartment, remove the four screws on
the bottom cover. Connect the 9V battery (6LF22 type) to the battery clip
connector. Do not reverse the polarity! Insert the battery into the enclo-
sure compartment located under the footswitch. Be careful not to damage
the wires and/or the battery clip. To preserve battery life disconnect the
instrument cable from the pedal Input jack when the pedal is not in use.
• Powersupplyoperating: connect a 9V stabilized external power supply
adapter to the pedal’s power connector located on the right side (5.5mm
connector with 2.1mm pole type). Do not reverse polarity! (external posi-
tive, internal negative). In the presence of reversed polarity the pedal will
not power up; no damage will be caused below 25V reversed polarity.
CAUTION! Do not connect Gegè Fuzz in a common ground multi-
ple output power supply!
CONTROLS AND FUNCTIONS
GAIN: controls the amount of gain and fuzz distortion. It is a wide range con-
trol that allows ne calibration of overall distortion, whether using Single Coil
or Humbucker pickups.
VOLUME: controls the post-distortion output level and can considerably ex-
ceed the signal bypass level to achieve Solo boost.
TONE: controls highs to get either a warmer or brighter sounds.
Toggle switch Natural/Broken Speaker:• In “Natural” position Gegè de-
livers a “Classic” easy-to-use Fuzz effect. In “Broken Speaker” position it
gives a very dirty and “grating” sound that resembles a damaged speaker
cone or a Bass/Baritone Sax-like tone, useful also for Garage/Beat style.
Toggle switch Fuzzy/Fatty:• controls the amount of the bass tones. In
“Fuzzy” mode it gives a bright sound, while in “Fatty” mode it provides
more mid-bass amount giving a very fat sound.
Dynamickiller:• Gegè has an internal dip-switch command, located betwe-
en the two germanium transistors. With Diynamic Killer function you can
choose the amount of distortion compression in the presence of a very
strong input signal. In the “Off” position it provides heavy compression,
with large attack signals; set to “On” to get more dynamics. The Dynamic
Killer has more effect on guitars equipped with high-output Humbucker pi-
ckups and it has low/no inuence on Single Coil pickups. We recommend ca-
reful adjustment of the dip-switch, with a small screwdriver. Disconnect the
power supply and the Input jack before carrying out any modications.
TEFI Vintage Lab invites you to activate the warranty within 10 days of the purchase of the product. It is necessary to connect to our website www.tevintagelab.it and, on the page describing your product, ll in the required form in the “register product” section.
TEFI Vintage Lab products are covered by a 5-year warranty. If the user nds an anomaly due to component defects and erroneous assembly, please contact us by sending an e-mail to info@tevintagelab.it, describing the problem encountered in detail and the
circumstances in which it was veried.
In compliance with the regulations dened in the following clauses, TEFI Vintage Lab undertakes to repair the instrument with no additional costs.
Warrantly is valid for 5 years. Does not include parts subject to wear such as jacks, switches, potentiometers, dip-switches, 9V battery clip or 9V battery holder, nor does it include aesthetic parts such as knobs.1.
Warrantly does not extend to damage caused by inexperience or negligence in the use of the effects pedal, or bad/neglected maintenance.2.
TEFI Vintage Lab undertakes to replace at its own discretion the malfunctioning or incorrect manufacturing parts, only after a careful check and verication of bad construction.3.
In the presence of incorrect use of the warranty, shipping costs will be charged to the user.4.
During the warranty period, the replaced parts/products become the property of the manufacturer.5.
This warranty is only valid for the original purchaser who has followed the normal maintenance instructions described in this manual. Our warranty liability expires at the moment the original owner surrenders ownership of the product, or modications are 6.
made to it.
Warranty does not include damage caused by excessive stress, such as the use of the product after the detection of an anomaly, the use of inappropriate methods of operation, as well as the failure to observe use and maintenance instructions. 7.
The manufacturer assumes no responsibility for any difculties that may arise in resale or use abroad due to the provisions in force in the country where the product was sold.8.
The product part of the defective unit must be delivered to TEFI Vintage Lab for replacement, otherwise the replaced part will be charged to the buyer.9.
Any product repair or modication by the user or by companies not authorized by TEFI Vintage Lab will invalidate the warranty10.
EU DIRECTIVE AND DISPOSAL
TEFI Vintage Lab products are designed to comply with the standards laid down by EU directives regarding safety and the environment. Pursuant to Legislative Decree No. 49 of March 14, 2004 “Implementation of Directive 2012/19/EU on
waste electrical and electronic equipment (RAEE)”.
The crossed-bin symbol indicates that the product, at the end of its useful life, must be separately collected from other waste.
The user must therefore confer the equipment with the essential components at the end of their life to the appropriate collection centers for electrical and electronic waste.
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