A-Designs JM 3001 VENTURA - Manual (Page 6)

6 | Ventura ™ Owner’s Manual
Functions
Front Panel
1
Gain Control Pot – Adjusts the level of the Instrument Input Preamplifier.
2
Instrument Input Jack – Use this ¼” unbalanced phone jack with high impedance Instruments like guitars
and synthesizers.
3
Input Select Switch – Determines which Input is sent through the system, Mic or Instrument.
4
EQ Switch – Activates the Three Band Equalizer section.
5
High Pass Filter Switch – 150 Hz low roll-off is a 12db, 2nd order slope with the switch in the up position
and works independent of the Equalizer.
6
Low Pass Filter Switch – 9K Hz high roll-off is a 12db, 2nd order slope with the switch in the up position
and works independent of the Equalizer.
7
Low Band Concentric Switch – Black Inner Knob is the cut/boost gain switch for that band.– Red Outer Knob
selects the Frequency affected.
8
Low Band Shelf Switch – In the up position it changes the Low Band from peak to a shelf type. Also, it defeats
Low Q Switch.
9
Mid Band Concentric Switch – Black Inner Knob is the cut/boost gain switch for that band. – Red Outer Knob
selects the Frequency affected.
10
High Band Shelf Switch – In the up position it changes the High Band from peak to a shelf type. Also, it defeats
High Q Switch.
11
High Band Concentric Switch – Black Inner Knob is the cut/boost gain switch for that band. – Red Outer Knob
selects the Frequency affected.
12
Phantom Power Switch – In the up position, applies +48Vdc to pins 2 and 3 of the Microphone input Jack. The
Red LED will light when Phantom Power is on.
13
Pad Switch – in the up position, applies a -20db attenuation to the Mic Input signal.
14
Phase Reverse Switch – In the up position, flips the Input signal 180 degrees out for phase.
15
Low Q Position Switch – S = Sharp 2.4 curve, W = Wide .7 curve, N = Narrow 7.7 curve.
16
Mid Q Position Switch – S = Sharp 2.4 curve, W = Wide .7 curve, N = Narrow 7.7 curve. (Mid Q is not affected
by the position of either shelf switch)
17
High Q Position Switch – S = Sharp 2.4 curve, W = Wide .7 curve, N = Narrow 7.7 curve.
18
Microphone Gain Control Pot – Adjusts the level of the Microphone Preamplifier.
19
Power Switch with LED Indicator – Blue LED will light when the unit powered on.