Kilpatrick Audio Eurorack K6100 // Panning VCA Module

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  • Model: K6100 // Panning VCA
  • Manufactured by: Kilpatrick Audio
K6100 // Panning VCA
Dual High Quality Stereo VCA / Panner - 10HP

VCAs are the heart of any system and the K6100 offers a small and flexible design that offers excellent performance in a small package. It looks great and sounds great, offering several different modes of operation. You can use it as two independent VCAs or combined for ganged / stereo operation. Each channel has an offset control that can be used to tailor the rponse based on your CV input source, or used as a manual volume control.

By using internal normalling connections, the input signals and CV signals are normalled to the second channel when only the first channel inputs are used. This allows you to use the K6100 as a dual VCA with the same source, or as a stereo VCA with the same control voltage signal. Or, for that extra level of dimension use the PAN IN control to adjust the relative balance between the two channels.

Features and Specs

Eurorack (3U) form factor - 10HP width
High-end VCA circuits have optimimum noise performance and exponential response
Panning circuit responds linearly to pan control and input voltage
CV in circuit responds logarithmically to amp control and input voltage
PAN OUT jack offers an inverted version of the PAN IN signal as a utility for chaining the pan signal to control other modules
AMP and PAN offset controls allow fine tuning or full manual control
Bi-colour (red/green) panning indicator shows the pan amount and direction
PAN LEVEL control allows the panning CV input signal to be adjusted for different depths of modulation
Requires +12V (40mA), -12V (40mA) - 16 pin Doepfer-style power cable used - approx. 1.0W total power consumption
Designed and made in Canada using high quality parts.
Warranty: 1 year

The K6100 Panning VCA from Kilpatrick Audio is a compact and great sounding VCA. It will become an essential part of any system. Use it as two independent VCAs, or together as a stereo VCA or panner.

The K6100 Panning VCA requires only +12V and -12V. Make sure you use a good power supply that is not overloaded. The voltages should measure as close to +12V and -12V as possible.
To get something happening right away, just connect an oscillator signal to the SIG IN 1 jack, and connect the OUT 1 jack to your mixer or output interface. Set the PAN OFFSET control in the centre position and adjust the AMP 1 control. The volume of the signal should go up and down.
Now try feeding an LFO into the CV 1 jack and get some tremolo going on!

Jacks and Controls
The K6100 is a dual channel unit. Each channel can be used independently. The CV 1 and SIG 1 input jacks are normalled to the second channel. If a plug is not inserted in either the CV 2 or SIG 2 jack, the CV 1 or SIG 1 signals respectively will be automatically patched to the second channel.
The function of each of the jacks is as follows:
CV 1 - Amplitude (VCA) control input for channel 1
SIG 1 - Audio signal input for channel 1
OUT 1 - Audio signal output for channel 1
CV 2 - Amplitude (VCA) control input for channel 2 - with no plug inserted this receives the signal from CV 1 SIG 2 - Audio signal input for channel 2 - with no plug inserted this receives the signal from SIG 2
OUT 2 - Audio signal output for channel 2
PAN IN - Panning control input - affects both channels
/PAN OUT - Inverted version of the PAN IN signal for convenience use
Each channel can work independently. When using independently make sure the PAN OFFSET control is set in the centre position. The panning circuits affect both channels.

The function of each control is as follows:
AMP 1 - Controls the amplitude of VCA 1 - use this as a manual volume control or to tailor the response to match your CV input signal - an LED next to this control shows the VCA 1 status
AMP 2 - Same as AMP 1 but controls VCA 2 - an LED next to this control shows the VCA 2 status
PAN LEVEL - Affects the depth of panning from the PAN IN jack
PAN OFFSET - Affects the pan balance between the two channels - use this as a manual pan control or to adjust the panning response between the two channels - an LED beside this control shows the pan status: red (left), green (right), and off (centre)
Audio and Control Voltages
Kilpatrick Audio strives to make products with the most convenient and universal voltage standards possible. We believe in the approach that everything should be able to patch into everything and therefore all our modules are based around the most universal -5V to +5V range. Pulses and gates are 0V off / +5V on. Pitch voltages range from -5V to +5V and use the standardized 1 volt per octave scaling. Audio, LFO and envelope voltages also range from -5V to +5V. This gives the absolute best compatibility between different module types. Our non-Eurorack products also follow this same system.
Whenever you see an offset control on one of our modules that is mixed with a CV input, there is an easy way to picture how it works. Simply imagine the offset control setting the value of the particular function with no input signal. (or a 0V input signal) Putting a CV signal into the corresponding input jack will simply add or subtract from this offset setting. Some inputs have attenuator controls (we call them LEVEL) that allow you to scale the input signal. This simply scales down the input signal before it can affect the internal circuitry.