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content than just the fundamental note which can create unwanted 

pitch shift artifacts. Overtones, subharmonics and pitch variations when 

playing chords will affect how “clean” the pitch shifting is. If you hear 

strange artifacts when playing chords or a harsh sound when feeding an 

overdriven/distorted signal to the pedal, it´s simply because the pedal 

pitch shifts every frequency present in the signal. Hence, the cleaner 

this signal is (frequency-wise and distortion-wise), the cleaner the pitch 

shifting will be.

We recommend connecting the 8-ball directly to the instrument, or as 

close as possible. This will make the effect more natural and pleasing to 

the ear. Play simple chords or single note lines for best results.

HOW TO USE THE 8 BALL

Start by setting the mix knob to noon. This will give each octave roughly 

the same volume as your dry signal when the controls are set to maxi-

mum. You can then adjust the octave controls to taste for each channel.

If you need more volume from one or more of the octave signals, turn 

the mix knob up. This will bump up the octave volumes and attenu-

ate the dry signal at the same time, thereby keeping the overall output 

more or less the same.

The trick is to play around with the levels by finding a good starting 

point on the mix knob, then tweak each octave level to taste and com-

pensate on the mix knob, if needed. 

Note: Although the algorithm is very precise and polyphonic, a signal 

coming from an electric guitar/bass contains a lot more frequency 

Содержание 8 BALL DUAL-OCTAVE

Страница 1: ...Designed by T REX Denmark 2017 T Rex Engineering ApS www t rex effects com Lars Dahl Jørgensen Founder Sebastian Jensen Founder 1 st edition 2017 trexeffects ...

Страница 2: ...or ch B Hi B Controls the level of the high octave for ch B CONGRATULATIONS On your purchase of the T Rex 8 ball pedal Delivering 2 channels of polyphonic octave generation you can foot switch between two separate blends of dry signal low octave and high octave For instance you may want to add a little high octave shimmer to lead lines and use plenty of low octave for powerful riffing Or maybe you...

Страница 3: ...easing to the ear Play simple chords or single note lines for best results HOW TO USE THE 8 BALL Start by setting the mix knob to noon This will give each octave roughly the same volume as your dry signal when the controls are set to maxi mum You can then adjust the octave controls to taste for each channel If you need more volume from one or more of the octave signals turn the mix knob up This wi...

Страница 4: ... of killer tone EU regulations Environment protection T Rex accepts and follows the regulations and directives issued by the EU We find these envi ronment protecting regulations very good and we are happy to follow them SUBJECT TO CHANGE WITHOUT NOTICE Input impedance 500 K Ohm Output impedance 1 K Ohm Power supply 9 12 VDC 2 1 mm barrel plug Current draw 9 VDC 130 mA Max input signal Vp p 5 5 Vp ...

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