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Frequency Central

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Items 1 to 11 of 11 on page 1 of 1
Cat: 679928 Rel: 13 Jul 18
 
All-analogue ADSR module - 4HP
Notes: CEMvelope is based on the legendary ADSR section of the Sequential Circuits Pro-One monosynth, with minor adaptations to integrate it into Euro format. Smooth and snappy! It has a gate input as well as a trigger input, the trigger input works in conjunction with the gate input for multiple triggering from a suitable controller device.
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 1 in stock $101.61
Cat: 614113 Rel: 16 Jun 16
 
Eurorack phaser synth module - 12HP wide
Notes: Continuum has it's roots in my previous guitar effects pedal designs. First there was Causality 4, then Causality 6, then Gemini Dual Core.

Continuum looks and acts rather like a VCF, in fact that's exactly what a phaser is, an all-pass VCF. There's far more to phasers than just sweeps up and down from an LFO, so Continuum has two CV inputs, so you can use a variety of CV sources simultaneously.

The topology of Continuum is 4 swept OTA all-pass filter stages with a fixed all-pass filter stage either side of the swept core. There's a switch to select regen over odd or even stages. Most phasers stick to odd stages, but there are undiscovered sonic possibilities using even stages of regen.

Continuum is now a 2 PCB set and skiff-friendly, a tasty PCB sandwich no less! One PCB holds the main circuit, the other all panel components (pots/sockets/switch). The two PCBs are joined by male/female headers The new version is on RED PCB stock (the old version being a GREEN PCB).

For audio demos, please visit - https://soundcloud.com/frequency-central
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 1 in stock $159.04
Cat: 679926 Rel: 13 Jul 18
 
Analogue synth voice module
Notes: Device is a combination of three individual Frequency Central modules:

- System X Oscillator
- Raging Bull VCF/VCA
- System X Envelope

Modules can be used individually, or as an integrated synth by using normalised internal connections.
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 3 in stock $319.20
Cat: 693143 Rel: 10 Aug 18
 
Dual voltage controlled amplifiers - 10HP
Notes: Roland 100M based VCAs for Eurorack. Each features two audio inputs, two CV inputs, linear and exponential response switch and Initial Gain control. High output for patching within your modular, Low output for patching to the outside World at line levels. Cool authentic retro sounds! The classic Roland VCA redesigned to use LM13700.
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 1 in stock $159.05
Cat: 717551 Rel: 06 Feb 19
 
All-in-one Eurorack synth voice
Notes: Product is a full featured modular synthesiser which you can use without patching. Or you can use it as the heart of your modular system. Each component part is fully modular, but also features pre-patched normalised signal paths for fast set up of new and exciting sounds.

Product is a combination of three individual Frequency Central modules:

- XVCO TWO
- Raging Bull 3.0 VCF/VCA
- System X Envelope

Plus:

- Onboard LFO for PWM and FM
- Onboard noise source

Product features a motherboard on which all pots, switches and sockets are mounted, this is also where the pre-patched normalising happens. So the onboard LFO is available for both FM and PWM of the VCO. The three VCO waveforms are available at the three VCF signal inputs. 1V/oct input, LFO and ADSR are available at the three VCF signal inputs. By some cunning switching, the VCA can be operated by either ADSR or gate input, alternatively it can be set to drone position. Also available are signal outputs from the LFO and noise generator. All pre-patched connections can be broken simply by inserting a jack into the relevant socket.

To simplify the build process for DIYers, there are three daughterboards that plug into the Product motherboard: VCO daughterboard, VCF/VCA daughterboard, and ADSR/noise daughterboard. First you can build and calibrate the VCO daughterboard, plug it into the Product motherboard, get it running and have some fun with it. Then build the VCF/VCA daughterboard, and add it to you expanding modular synthesiser. Finally build the ADSR/noise daughterboard, and your synth is complete.
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 1 in stock $363.37
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quote 717551
Cat: 614128 Rel: 16 Jun 16
 
Eurorack variable filter synth module based on Roland System 700 filter module - 10HP wide
Notes: Based on the Roland System 700 state variable filter module. Lowpass, bandpass and highpass outputs.

A big part of the sound of the State 700 is the way in which resonance is reduced as the audio inputs are driven harder. It won't self oscillate with a hot audio input, throttle back a little and you'll get squelchy ear bleeding resonances!

For audio demos, please visit - https://soundcloud.com/frequency-central
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 1 in stock $142.48
Cat: 614138 Rel: 16 Jun 16
 
Eurorack envelope synth module based on Roland System 100M envelope - 4HP wide
Notes: The second module in the Roland System 100M clone series, the System X Envelope on 4HP. Includes the addition of a range switch for fast/slow response. Even snappier than a crocodile sandwich.

For audio demo, please visit - http://www.frequencycentral.co.uk/wp-content/uploads/2012/11/MoroderClarke.mp3
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 1 in stock $114.87
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quote 614138
Cat: 614155 Rel: 16 Jun 16
 
Eurorack multi-waveform syncable Low Frequency Oscillator (LFO) module based on Electric Druid TAPLFO2D family of code - 4HP wide
Notes: Wave Runner LFO:
Wave Runner is a multi-waveform sync-able LFO based on the Electric Druid TAPLFO2D family of code, but with some significant additions and improvements. The TAPLFO2D-FC PIC and code is exclusive to Frequency Central and was developed specifically for the Wave Runner, and is not compatible with similar modules.

8 waveforms:
- sawtooth
- ramp
- pulse
- triangle
- sine
- noise
- sample and hold
- stepped triangle/sawtooth/ramp

All waveforms can be skewed using the Distort knob, as well as control over pulse width of square, and distortion of the cyclic waveforms, this get you control over Noise freq as well as bitcrushing, bitcrush of S/H down to 1 bit for random triggers.

Tap sync input, for syncing to whatever. Wave Runner measures the last two incoming pulses and syncs itself to these. Multiply knob allows for Wave Runner to run at x0.5, x1, x1.5, x2, x3 and x4 of the incoming sync pulse. Freq is from stupid slow (0.025Hz) into low audio range (50Hz).

The latest version also features Level CV input to control the absolute output level of the LFO.
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 1 in stock $134.74
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quote 614155
Cat: 693144 Rel: 10 Aug 18
 
Digital sync-able LFO with frequency multiplication & division
Notes: Wave Runner is a multi-waveform sync-able LFO based on the Electric Druid TAPLFO2D family of code, but with some significant additions and improvements. The WAVERUNNER 1 PIC and code is exclusive to Frequency Central and was developed specifically for the Wave Runner.

8 waveforms:

- Sawtooth
- Ramp
- Pulse
- Triangle
- Sine
- Noise
- Sample and hold
- Stepped triangle/sawtooth/ramp

All waveforms can be skewed using the Distort knob, as well as control over pulse width of square, and distortion of the cyclic waveforms, this get you control over Noise freq as well as bitcrushing, bitcrush of S/H down to 1 bit for random triggers.

Tap sync input, for syncing to whatever. Wave Runner measures the last two incoming pulses and syncs itself to these. Multiply knob allows for Wave Runner to run at x0.5, x1, x1.5, x2, x3 and x4 of the incoming sync pulse. Freq is from stupid slow (0.025Hz) into low audio range (50Hz).

The latest version also features Level CV input to control the absolute output level of the LFO.

Module is 4HP, and 45mm deep.
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 1 in stock $159.05
Cat: 679930 Rel: 13 Jul 18
 
Passive manual switch module
Notes: Deep Thought is a Boolean logic module with two distinct sections. The upper section features addressable Boolean logic, with any one of NOT A, NOT B, AND, NAND, OR, NOR, XOR and XNOR being chosen either via knob or via CV input. The lower section features simultaneous outputs of NOT A, NOT B, AND, NAND, OR, NOR, XOR and XNOR.
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 1 in stock $57.42
FORTHCOMING
Frequency Central Whiteface Voltage Controlled Analog Filter Module
coming soon $172.29
Items 1 to 11 of 11 on page 1 of 1

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