Compact phasing X


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This is a classics Compact phasing A clone or Krautrock Phaser

There are 2 options for assembled units.
R3 is the Haible version.
R6 is our new modyfied and improved version.

Assembled ootion is completely assembled and tested unit.
You only need to specify your grid voltage 230 or 115VAC.
Also you need to have a IEC cable for your grid connection.

New R6 Compact Phasing X has additional features.
1)Led indicator for LFO tempo.
2)LFO offset dial.
3)Amplitude potentiometer has Pull function to toggle Auto/manual mode.
4)PSU redesign for lower noise.
5)Improved heat management inside the case.
6)Easy to re-calibrate for user taste.
NOTE: the core phasing circuit is still 100% same layout and design as the original Compact Phasing A had.

Case Kit includes:
Screenprinted powderpainted metal case.
Screws and rubber legs.
Red Bypass switch.
4 pcs numbered knobs like shown on the picture.

The case will mount the PCB and the PSU. PCBs are sold under “Haible Krautrock phaser” or “Schulte Compact Clone” name.
Some of the components are specific and should be aquired according to the BOM.

What you will need for the case:
Potentiometers: All Alpha 24mm or 16mm body. 3pcs 50k lin and 1pcs 50k reverse Log or Log
1pcs Toroidal Transformer: 2x15V 0.5A + 0.5A or 2x18V 0,2A + 0,2A secondary ; 62mm diameter; 32mm height. (usually max 15VA transformer will fit)
1pcs Power connector IDC with Switch: Schurter DC11.0001.003 (same dimensions will work from others)
1pcs Fuse Holder: Anything for 13mm panelcutout will work.
6pcs Input output 6.35 jacks: Any plastic isolated connector.
1pcs Double Pole Double throw (DPDT) ON-ON Tumbler switch (Auto/Manual)
1pcs DPDT ON-ON-ON tumbler switch. (2p 4p 6p)
1pcs IEC mains power cable.

Buld information and J Haible notes on the build:

PCBs are available here:

Additional information

Weight 1.2 kg
Dimensions 22 × 20 × 8 cm