Oscillator Sink
"I bought the ADDAC604 Dual Filter module pretty much on a hunch - it fit the form factor and feature set that I was after but I struggled to find a demo so I had to just "trust" that I'd like it based on other filters in the ADDAC range.
So this video is the demo that I would have wanted to find before I made the purchase - hopefully it'll help you out if you're looking to pick up a stereo filter module some time soon!
Timings:
00:00 - Intro
00:38 - Features
03:20 - Mono Filter Sweeps
07:25 - Driving the Filter
10:14 - Mono to Stereo Upmixing with Filter Offsets
11:53 - Generic (albeit stereo) Acid Line
14:05 - Stereo Filtering
20:28 - Can We Track V/Oct?
21:46 - Pinging The Filter
24:11 - Parallel Bandpass Vocal Sounds
26:05 - Spectral Panning with a Single Channel
27:23 - Series Routing for Different Flavours
29:06 - Audio-rate Madness (pseudo-FM and percussion sounds)
32:11 - Final Thoughts"
"While developing our ADDAC105 4 Voice Cluster module we made a new multimode filter to place after the summing mix stage. We were so pleased with it’s sound that decided to release it as a dedicated filter.
To make it more interesting we duplicated its circuitry to be able to use it in a stereo signal path.
To make it more versatile we added a switch to set the working mode from Stereo to Dual Mono where both filters can be used independently.
In Stereo Mode the Left Cutoff is used to control the Right Cutoff.
In this case the Right Cutoff Knob and CV Input are simply bypassed and will have no impact on the Right Channel operation.
This allows immediate sync of both filter frequencies when the Stereo position is engaged.
Optionally there’s a jumper in it’s back that, when placed, connects the Right Controls back to the Right CV control allowing the possibility to control the offset of the Right Channel Cutoff.
Resonance is independent on both Modes and still has to be set manually to match both channels.
Both the Audio and CV inputs are normalled from the Left into the Right channels.
As standard plugging any input to the Right channels removes this connection.
This module will also be available as a full DIY kit.
Tech Specs:
6HP
4 cm deep
70mA +12V
70mA -12V'
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