Vahlbruch Acoustic Chorus Pedal
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Vahlbruch Analog Chorus Pedal for Acoustic Instruments
The "Chorus Acoustic" effect pedal is specially designed for signals from acoustic instruments. A permanently active buffer/impedance-converter ensures linear signal transfer through the downstream signal chain. This is particularly beneficial for passive piezo pickups, as the sound always remains stable and transparent. The "Chorus Acoustic" does not change the phase of the pickup signal, therefore there are no cancellations between the direct sound of the instrument and the electronically amplified signal. The familiar response and frequency spectrum are completely retained. In an internal parallel signal path the chorus effect is generated and added to the original dry signal. The "Mix" control determines the chorus intensity. The modulation speed and depth can be adjusted via "Speed" and "Depth". Slow "Speed" and high "Depth" settings generate a very wide and deep chorus effect. Each unit is individually adjusted by hand for optimal modulation!
This pedal is equipped with our unique "MagTraB" switching technology:
Inside the button a magnet is integrated which position is measured by a sensor on the circuit board. If the button is now moved, e.g. if it is pressed downwards, the position of the magnet will also change. The sensor measures this change without any mechanical contact to the button and the information is send via a micro-controller to a gold-plated relay, which then does the actual audio signal switching.
The advantages of "MagTraB" footswitches:- MapTraB buttons are as good as indestructible! "MagTraB" delivers an almost infinite number of switching cycles - many, many millions!
- No annoying, mechanical switch clicks! Instead, the "MagTraB" push-buttons switch very smooth and silently!
To change the state:
Step 1: Unplug the power supply cable.
Step 2: Hold down on/off "MagTraB" button.
Step 3: Plug in again the power supply cable.
Step 4: Release on/off "MagTraB"" button.
DONE! The next time your pedal powers up it will automatically start in the other state.
Specifications:
- Unique MagTraB switching technology
- Specially designed "Chorus" for acoustic instrument signals
- Buffer circuit avoids impedance matching problems for passive pickups
- Low noise circuit
- "Mix" controls the chorus intensity
- "Speed" regulates the modulation rate
- "Depth" can be used to adjust the depth of the modulation
- Continously pulsating LED indicates the modulation rate
- Each pedal is adjusted by hand for optimal modulation curve
- Input impedance: 2.2M Ohms
- Output impedance: 220 Ohms
- Current consumption: 40mA
- This pedal requires an external regulated 9V power supply (not included), polarity: positiv@ring / negative@tip
- Dimensions: 115mm x 70mm x 48mm
- Weight: 240g
- Handmade in Germany
No specifications available.
No extras information available.
