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Oakley Modular Euro MOSPhaser
$30.00 - $249.00
The 6HP Oakley Sound MOSPhaser is a six-stage, 1970s-inspired phaser featuring five variable all-pass filter stages that utilize a single 4009UBM CMOS IC for simplified, matched-component construction [1]. It features an internal triangle-wave LFO (0.01Hz to 5Hz) with a bicolour LED, alongside external CV control for modulation, allowing for dramatic, filter-style sweeps [1].
Four front-panel controls are included [1]:
- Frequency: Sets the notch filter frequency.
- Emphasis: Adjusts feedback for deeper phasing effects.
- Modulation: Attenuates the LFO/CV input, with a polarity-inversion switch.
- LFO Rate: Controls LFO speed.
The unit, which outputs ±5V LFO signals, is designed for standard modular levels, with a power consumption of approximately ±38mA at ±12V [1].
The MOSPhaser comprises of two printed circuit boards (PCBs) connected together with four 0.1” (2.54mm) single in line (SIL) headers and sockets. The main board on the rear of the module houses the power input and conditioning, and the all pass filter cascade. The pot board has the pots, switch, and sockets that are attached to the front panel, as well as the input and output circuitry and LFO. The main board is a four layer design, while the pot board is a two layer design. Each board is the same size; 29 mm x 107 mm. The majority of the components are surface mount parts. The ICs are SOIC, while the resistors and capacitors are 0805. All components are standard parts.
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