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2600-VCO
2600-VCO Controls
(EN) Controls
(1)
(3)
(10)
(5)
(6)
1. INITIAL OSCILLATOR FREQUENCY – selects the initial frequency of the VCO.
In Audio mode the range is 10 Hz to 10 kHz; in Low Frequency mode (LF) the
range is 0.03 Hz to 30 Hz.
2. FINE TUNE – allows the 2600-VCO to be tuned to other VCOs or instruments,
the control has a range of ±0.4 octaves.
3. PULSE WIDTH – allows manual control over the width of the pulse
waveform and has a range from 10% to 90%.
4. OUTPUTS – separate outputs for sine, triangle, sawtooth and pulse
waveforms. All are available simultaneously.
5. KEYBOARD CV INPUT – accepts control voltages from a keyboard or MIDI/
CV converter in the range 0 V – 10 V.
(2)
(4)
(7)
(8)
(9)
6, 7, 8 FM INPUTS AND LEVELS – input for frequency modulation of the VCO
plus attenuators to control the level of modulation.
9. PULSE WIDTH MODULATION INPUT AND LEVEL – input for an external
source of modulation of the width of the pulse waveform plus attenuator to
control the level of modulation.
10. KEYBOARD ON/OFF SWITCH – allows the keyboard voltage to be switched
off which puts the VCO into Low Frequency mode.
Power Connection
The 2600-VCO module comes with the required power cable for connecting to a
standard Eurorack power supply system. Follow these steps to connect power to
the module. It is easier to make these connections before the module has been
mounted into a rack case.
1. Turn the power supply or rack case power off and disconnect the power cable.
2. Insert the 16-pin connector on the power cable into the socket on the power
supply or rack case. The connector has a tab that will align with the gap in the
Installation
The necessary screws are included with the module for mounting in a
Eurorack case. Connect the power cable before mounting.
Depending on the rack case, there may be a series of fixed holes spaced 2 HP
apart along the length of the case, or a track that allows individual threaded
plates to slide along the length of the case. The free-moving threaded plates
allow precise positioning of the module, but each plate should be positioned in
the approximate relation to the mounting holes in your module before attaching
the screws.
Quick Start Guide
socket, so it cannot be inserted incorrectly. If the power supply does not have
a keyed socket, be sure to orient pin 1 (-12 V) with the red stripe on the cable.
3. Insert the 10-pin connector into the socket on the back of the module.
The connector has a tab that will align with the socket for correct orientation.
4. After both ends of the power cable have been securely attached, you may
mount the module in a case and turn on the power supply.
Hold the module against the Eurorack rails so that each of the mounting holes
are aligned with a threaded rail or threaded plate. Attach the screws part way
to start, which will allow small adjustments to the positioning while you get
them all aligned. After the final position has been established, tighten the
screws down.
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