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Specifications*

Warranty

19

Effect types
Effect modules
Memory Patches 

Tuner type 
# of drums presets (PCM)
Sampling frequency
A/D converter
D/A converter
Frequency response
Display type 
Input level 
Input impedance
Maximum output level

Optional accessories

Power requirements

Dimensions 
Weight

40
Up to 7 simultaneous effects.
50 Factory Presets and 50 user´s Patches. 
Total =100 Patches.
Chromatic (Pitch=435 Hz to 445 Hz.)
60
48 kHz
24 bit
24 bit
20 Hz a 24 kHz
2 digit 
-20 dBm
450 kohm
+3 dBm / 10 kilohms (Line)
20m W + 20m W / 32 ohms (Phones)
Expression pedal EP-50 ONERR and
AC Adaptador  PA-50 ONERR
9 V d.c. x 350 mA (ONERR PA-50)- Positive
center.
160 x 136 x 55 (mm)
420 g.

Microtronix Eletrônica Ltda warrants this unit to be free from defects in 
materials and workmanship for a period of 1 (one) year from date of first 
purchase.

This warranty does not include any kind of damage resulting from accidents, 
misuse, abuse, alteration to the internal circuitry or vital parts and damages 
caused by non-reliable connections.

If in any way this unit becomes defective within the warranty period, 
Microtronix Eletrônica Ltda will elect to repair or replace it free of charge.

After the warranty period, Microtronix Eletrônica Ltda will repair this unit for a 
fee.

This warranty is extended for residents of Brazil. Please call main office for 
return authorization number. Microtronix will not accept packages without prior 
authorization, pre-paid freight, and proper insurance.

Please call or e-mail the authorized distributor in your country for warranty 
information.

*Specifications are subject to change without prior notice

This symbol on the product or on its packing indicates that it shall not be 
treated as household waste. Instead it shall be handed over to the 
applicable collection point for the recycling of electrical and electronic 
equipment. By ensuring this product is disposed of correctly, you will help 
prevent potential negative consequences for the environment and human 
health, which could otherwise be caused by inappropriate waste handling of 
this product. The recycling of materials will help to conserve the natural 
resources. For more detailed information about recycling of this equipment, 
please contact your local city office, your household waste disposal service 
or the shop where you purchased the equipment.  

 

Summary of Contents for GEP 50

Page 1: ...of use and safety Keep this manual for future reference in case of any doubts about the product s functioning All brand names mentioned in this manual are trademarks from their respective owners comp...

Page 2: ...pacts Before moving the unit make sure all the switches are set off and all cords coming from external devices are disconnected Disconnect this unit from an outlet in case of storms or heavy rain foll...

Page 3: ...ys connect all the electric and audio equipments when they are turned off to prevent damage toward their well functioning For cleaning wipe the unit with a soft and dry cloth or one that has been slig...

Page 4: ...e time for the effects of modulation delay and bypass ENCODER 2 This knob is used to 1 Choose the style and the parameter of the effect 2 Alter GEP 50 s master level 3 Alter the electric drums level 4...

Page 5: ...ssess parameters that can be adjusted to your taste similar to the knobs of an effect pedal The effect parameter alters the tone intensity speed etc EDIT EFFECT Mode In this operation mode you can edi...

Page 6: ...automatic mode The value of the MASTER LEVEL will be exhibited on the display while Encoder2 is turned After adjusting the desired value the display will return to its previous state and will exhibit...

Page 7: ...usly pressed down for about 2 seconds T h e G E P 5 0 w i l l e n t e r MUTE TUNER Mode A A B C C D D E F F G G The right digit of the display shows a rotation bar that indicates by how much the tunin...

Page 8: ...thms turn Encoder2 1 Press down Encoder2 to turn on off the electronic rhythm 1 Press and hold Encoder2 for approximately 2 seconds 5 To exit RHYTHM Mode press down Encoder2 again for approximately 2...

Page 9: ...mits the adjusting of the parameters according to the interval of time that the footswitch DOWN is pressed repetitively If the display exhibits one of these two states it means that the effect module...

Page 10: ...conclusion of the operation NOTE If a patch is copied to the position of another patch the content of patch destine will be replaced with the content of patch origin Therefore the content of destine p...

Page 11: ...he Patch Level The effect modules that can be controlled through the expression pedal are listed in the table aside 6 Save the patch after associating a function form the expression pedal to the patch...

Page 12: ...ue effect TAP EXP Symbols Adjusts the level of the patch within a 00 99 range The value 50 corresponds to a unitary gain EXP PATCH LEVEL COMPRESSOR The compressor is used to produce long sustains to t...

Page 13: ...I GAIN Overdrive characterized by the amplifier Fender Tweed adjusted at the dirty channel BRITISH HI GAIN Overdrive characterized by the amplifier Marshall adjusted at the dirty channel CALIFORNIAHI...

Page 14: ...2 dB EQ LOW EQ MID EQ HI This effect reduces the noise produced by the pickups of an electric guitar likewise the noises deriving from the chaining of distortion effects NOTE Louder noises require hig...

Page 15: ...tuning of your instrument ROTARY SPEAKER Simulates the functioning of a Leslie box which possesses the speakers spinning around its axis A slight detune is generated and added to the original sound o...

Page 16: ...tic characteristics of a small environment like a compact studio The higher the effect type is the higher the overall intensity will be ARENA This reverb style simulates the acoustic characteristics o...

Page 17: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LATIN MUSIC BOSSA NOVA BALLAD 1 BALLAD 2 BLUES PRESET RHYTHM 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52...

Page 18: ...ults If you wish to restore all the original factory patches and defaults follow the instructions below 1 Disconnect the power supply of the GEP 50 2 Press and hold Encoder1 and footswitch UP simultan...

Page 19: ...e warranty period Microtronix Eletr nica Ltda will elect to repair or replace it free of charge After the warranty period Microtronix Eletr nica Ltda will repair this unit for a fee This warranty is e...

Page 20: ...O N E S T E P B E Y O N D www onerr com Designed and Manufactured in Brazil...

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