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Channel 1
There are two sets of inputs for channel
1, The selectable tube or solid state input
on channel 1 allows the player to select a
pristine, high-headroom solid-state clean
input on channel one, or a warmer, slightly
compressed tube circuit which adds warmth
to digital synths and samplers.
Input Select Switch
The input select switch enables the user the option of solid state or tube preamp.
Gain Control
The gain control on channel 1 controls the gain of both preamps, solid state and the tube, depending on setting
of the input select switch. You can overdrive the input signal by increasing the gain while in the tube mode.
Tip: For some good vintage organ or just to further enhance the experience, increase the gain into the white outlined area of the
control while in the tube mode. You’ll be pleased with the sweet overdrive and added growl of this circuit as you dial clockwise.
Input clip LED
The input clip LED will only turn on when the input signal from a source such as a keyboard is too hot and will
clip the input circuits. To alleviate this, turn down the gain of the source unit.
Tone Controls
There are 3 tone controls, bass, mid and treble; these cover the entire audio spectrum. Each control permits a
wide range of sonic adjustment, a boost or cut of 15 dB. The center position denotes 0 dB cut/boost.
Voicing
The Voicing circuit offers several pre-set user selectable tone shapes on channel one to add overall presence to
further enhance specific synth sounds on the K2’s first channel. For those who like to keep it simple, 4 voicing
presets are available. The presets are contoured for organ, piano, live and studio. Bypassing the circuit is also
available when the selector is in 12 o’clock position. Try them all and see which one meets your needs.
Voicing presets recommendations
1. Studio.
2. Live.
3. Piano.
4. Organ.
Channel 2
Channel 2 uses a ¼-inch/XLR (TRS) combi-jack input. This
input can be used for an additional line-level input or a
microphone-level input, and has its own dedicated three-band
EQ.
Channel 2, ¼ -inch / XLR Combo Input jack
The combi jack can be use for Microphone or a mono ¼-inch
input application.
RCA Inputs
The RCA inputs are stereo, right and left. They are properly summed in the preamp. MP3 players, CD players
and tape decks commonly use these. For best results use a player that has its own gain control, this will enable
you to control the levels when the other ¼-inch / XLR Combi input jack used by another source and you do not
wish to have both at the same audible level.
Gain Control
This control sets the gain of the preamp circuits, the overall volume can be set by this control while keeping the
master fixed. If more volume is required increase either the master volume or increase the source (keyboard)
gain without clipping the input.
Clip
Ch 1 Voicing
Solid-State
Preamp Channel 1
Input 1 Input 2
Bypass
1
2
3
4
CH
1
Gain
15
+
15
-
0
5 5
10 10
15
+
15
-
0
5 5
10 10
15
+
15
-
0
5 5
10 10
Bass Mid Treble
Tube
1
0
0
Clip
Channel 2
Input 2
Input 1
Balanced
CH
2
Gain
15
+
15
-
0
5 5
10 10
15
+
15
-
0
5 5
10 10
15
+
15
-
0
5 5
10 10
Bass Mid Treble
1
0
0