Doepfer A-183-4
Professional music gear - detailed information and where to buy
Doepfer
A-183-4
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The A-183-4 is a seriously useful little module for anyone working with digital control signals in Eurorack. It’s perfect for expanding the voltage range of your triggers and gates, or for simplifying complex signal routing. Its small size makes it ideal for tight, densely-patched systems where space is at a premium.
Product Description
- Doepfer A-183-4
- Eurorack Module
- Quad level shifter
- Contains 4 digital level converters for converting a +5 V signal (e.g. gate or trigger) to +12 V.
- Function reversible via jumper (conversion from +12 V to +5 V)
- Thanks to the normalisation of the channels
- it can also be used as a buffer or multiplier for digital signals
- Power requirement: 30 mA (+12 V) / 0 mA (-12 V)
- Width: 2 HP
- Depth: 40mm
*Note:* Not suitable for analog signals!
PROS
- • Extremely compact 2HP footprint maximizes patching density.
- • Reversible functionality provides signal conversion flexibility.
- • Normalization simplifies buffering and signal multiplication tasks.
- • Robust Doepfer build quality ensures long-term reliability.
CONS
- • Limited to digital signals; unsuitable for analog audio processing.
- • 30mA power draw can impact power budget in smaller systems.
- • 2HP width might be restrictive for complex patching scenarios.
Product Video
Key Features
Type
Digital Level Shifter Module
Functions
+5V to +12V or +12V to +5V conversion, buffering, multiplication
HP Width
2
Depth
40mm
Power Draw
30mA (+12V) / 0mA (-12V)
Connections
Multiple input/output jacks, normalization points
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Frequently Asked Questions
No, the A-183-4 is strictly designed for digital signals like gate and trigger voltages; using it with audio will not work and could damage the module.
Normalization essentially creates a direct connection between certain inputs and outputs, allowing you to multiply signals or buffer them without additional patching.
The jumper switch simply changes the module's function, allowing it to either convert +5V signals to +12V or vice versa, offering increased versatility.
