GR BASS Dual PRE User Manual Download Page 2

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USER MANUAL PURPOSE

This user manual is dedicated to the use of the bass pe-

dal preamp DUAL PRE.

The manual includes the following information:

• General information (technical data and packaging);

• Description of the amplifier’s functions.

All the informations described on this user manual are

verified. The manufacturer reserves the right to update

or modify their product without any notice.

Summary of Contents for Dual PRE

Page 1: ...USERS MANUAL DUAL PRE...

Page 2: ...PRE The manual includes the following information General information technical data and packaging Description of the amplifier s functions All the informations described on this user manual are veri...

Page 3: ...council In accordance with European Directi ve 2002 96 EC all electrical and electronic products should be disposed of by specific collection facilities ap pointed by the government or the local autho...

Page 4: ...p Boost Bright Boost Master Volume Compressor Sec tion with the possibility of adjusting ratio threshold release and volume Extra on Ch1 Pure Sound by pass of all EQ functionali ty Send Return and Hea...

Page 5: ...ting ratio threshold release and volu me not the single compressor pot that you usually find on some bass preamp Allows you to have a headphone output with its own separate equalization volume treble...

Page 6: ...d CH2 Increases or reduces the bass frequencies of the signal low 13 dB max 50 Hz f3dB 250 Hz 6 MID Low CONTROL KNOB CH1 and CH2 Increases or reduces the mid low frequencies of the signal 12 max dB MU...

Page 7: ...of the pream plifier The pure mode activation is signaled by the white LED on the top of the button 12 DEEP BUTTON CH1 and CH2 Gives a more deep sound Push off flat Push on 5 dB 50 Hz 3 dB 170 Hz 13 B...

Page 8: ...io of the signal 22 HPF HIGH PASS FILTER Cuts low end frequencies High pass filter before the OVERDRIVE stage to make more clear and intelligible distorted sound 23 OUTPUT Sends effected or uneffected...

Page 9: ...ing Only left LED the note is too low Only right LED the note is too high Both LEDs in blue light the note is in tune Both LEDs in red light in mute mode the note is in tune in sharp Both LEDs in red...

Page 10: ...pe the manufacturer may replace the unit within the term of the original warranty The warranty does not cover parts which may result faulty due to Negligence or careless use Improper installation and...

Page 11: ...11...

Page 12: ...via Conchia 54T 70043 Monopoli Ba tel 39 080 512 9325 info grbass com www grbass com...