Bifold - Synthesizer Intellijel - Free user manual and instructions
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| Product Type | Eurorack Synthesizer Module |
| Model | Bifold |
| Brand | Intellijel |
| Width | 8 HP (40.3 mm) |
| Depth | 30 mm |
| Weight | 120 g |
| Power Consumption | +12V: 60mA, -12V: 30mA |
| Functions | Dual wavefolder with fold symmetry and crossfade |
| Audio Inputs | 2 (1 per channel) |
| CV Inputs | 2 (fold CV, symmetry CV) |
| Audio Outputs | 2 (1 per channel) |
| Controls | Fold, Symmetry, Crossfade knobs; Normalize switch |
| Panel Material | Anodized aluminum |
| Module Type | Analog wave shaper |
| Eurorack Standard | 3U, Skiff compatible (shallow depth) |
| Maintenance | Clean with dry cloth; avoid liquids |
| Safety | Disconnect power before installation; handle ICs with care |
| Spare Parts | Not user-serviceable; contact Intellijel |
| Repairability | Modular design; DIY-friendly for experienced users |
| Included Accessories | Power ribbon cable, mounting screws |
Frequently Asked Questions - Bifold Intellijel
How do I power the Bifold module?
Connect the included 10-to-16-pin ribbon cable to your Eurorack power bus board, ensuring the red stripe aligns with -12V. The module draws 60mA on +12V and 30mA on -12V.
What is the function of the Crossfade knob?
The Crossfade knob blends between the dry input signal and the folded output. Fully clockwise is pure folded output, fully counterclockwise is dry signal. This allows parallel processing of wavefolded and original sounds.
Can I use the Bifold as a dual wavefolder?
Yes, the Bifold has two independent wavefolding channels. Each channel has its own Fold and Symmetry controls, plus a shared Crossfade control. You can process two separate audio sources simultaneously.
What input voltage range does the CV accept?
CV inputs accept 0V to +5V range (unipolar). The module responds to voltages above 2.5V for full effect. For bipolar CV, use an offset/attenuator.
Is the Bifold suitable for bass sounds?
Absolutely. Wavefolding adds complex harmonics to bass waveforms, making them cut through a mix. The Symmetry control allows timbral shaping without losing low-end.
How deep is the module?
The Bifold has a depth of 30mm behind the panel, making it compatible with most skiff cases. Always measure your case clearance before installation.
Does the Bifold have any normalization?
Yes, Channel 2's input is normalized to Channel 1's input via a switch. When the switch is up, both channels process the same signal for stereo or layered effects.
What kind of output levels can I expect?
Output is Eurorack level (10Vpp typical). The module can drive audio signals into other modules without additional amplification.
Can I use the Bifold for CV processing?
Yes, the Bifold can process CV signals (e.g., LFOs, envelopes) as audio-rate fold CV. This generates distorted or rectified CV for creative modulation.
How should I clean the module?
Use a soft, dry cloth to wipe the front panel and jacks. Avoid liquid cleaners, as they may damage the circuits. For persistent dirt, slightly dampen the cloth with isopropyl alcohol.
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