Treble control, Semi-parametric tone controls (quasi-parametric), Low frequency semi parametric filter – Eden WP100 Navigator (2003) User Manual
Page 6: Midrange frequency semi parametric control, Hi frequency semi parametric filter

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Treble Control
 
The Treble control is also a shelving type filter and boosts or cuts the Treble 
by +/- 15 dB. Flat position is at 12:00 o'clock. 
 
Semi-Parametric Tone Controls (Quasi-Parametric) 
 
Quasi-Parametric controls are similar to fully parametric controls with the 
exception that they do not have an adjustable bandwidth control. That 
adjustment is fixed by design. All the filters are adjustable by +/- 15 dB. All 
these controls are flat at the 12:00 position. 
 
Low Frequency Semi Parametric Filter
 
The low Control will boost or cut 15 dB. It is effective from the deep Bass 
(30Hz) to the lower midrange (300 Hz). 
 
Midrange Frequency Semi Parametric Control
 
The midrange control is also +/- 15 dB and controls the middle frequencies 
from 200 Hz to 2 KHz. This is the control that will help you cut through the 
mix. 
 
Hi Frequency Semi Parametric Filter
 
This control operates like the other two in a higher frequency range, 1.2KHz 
to 12 KHz. This is the control to put that silky bright top on out sound. 
 
 
Artist Controlled D.I. Level & Selectable pre/post/post D.I.
 
This is the main D.I. capable of (+ 21 dBm ) output level. This is selectable 
from (1) the output of the vacuum tube to (2) Post compressor to (3) post the 
tone control. The three way switching and front panel output level control 
allows for total Artist control of the D.I. Send to the mixing console. 
 
 
