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OVERDRIVE
The 3500 series are equipped with a new transistor-preamplifier. Based on the push-pull transistor-technology used in vintage 330 and other models, the amplifier reproduces the distortion characteristic of overdriven transistors.
EQUALIZER
The 3500 series are equipped with a 3-band equalizer.
• BASS allows you to adjust the sound quality of bass parts such as pedal parts and bass lines.
• MIDDLE allows you to adjust the midrange such as chords and melodies
• TREBLE allows you to adjust the high frequencies such as leakage sounds and key clicks.
You can adjust the sound to your liking according to the characteristics of the performance location and the individual differences of the desired vintage organ.
BASS OUT JACK
If you want more powerful bass, you can hook up the bass-only output to an external bass amplifier, subwoofer or PA. Using a low-pass filter, the sound from the BASS OUT terminal, can be adjusted in terms of frequency with the BASS OUT FREQ knob.
MOTOR CONTROL
The motors driving the moving elements of the Leslie 3500 series are brushless DC servo motors. They maintain a constant number of revolutions without being affected by power frequency or voltage fluctuations.
The rise, fall and rotor speeds are adjustable from a control panel that is hidden behind the name-plate of the Leslie.
To access this panel, you need to unscrew the top and bottom screw of the name-plate (this can easily be done manually without any tools).
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