Art TPS II Operations Instructions download pdf (Page 6)

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CONTROLS & INDICATORS

Input Control

The Input Control sets the amount of input gain of the DPS II. Turn the control

clockwise to increase gain and counterclockwise to decrease gain. You may

control two ranges of gain with this control, +20 to +68dB and +0 to +48dB.

Selection of the gain range is made with the +20dB gain switch.

NOTE: This control, along with the +20 dB Switch, is responsible for any

saturation of the tube. To change the tube character, utilize these 2 controls.

+20db Gain Switch

Use the +20dB Gain Switch to set the gain range of the input control. When the

switch is out, the unit operates in Normal mode. Depressing the switch adds

20dB of gain. For microphone applications, where more gain is needed, push the

switch in. For hot line level inputs, set the switch in the out position.

This switch also affects the tube circuit. When selecting +20dB of gain, the tube

is driven harder and becomes the dominant source of gain and overload

character.

Input Impedance Control

The same microphone can sound different on various pre-amps. One reason is

that every pre-amp presents a different load to on its’ input, some even change

as gain is changed! Our third generation discrete front end was designed to be

absolutely transparent. Every nuance of the microphone is maintained providing

detail masked by inferior pre-amps. The Input Impedance control is one key

element in providing new versatility in voicing microphones.

NOTE: the Input impedance control only affects mic/line inputs. The ¼”

instrument input on the front panel is NOT affected by this control in any way.

The instrument input impedance is ALWAYS >

1M Ohm.

Dynamic microphones are affected as much as phantom powered units.

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Art TPS II Operations Instructions Page 6