Erebus - Synthesizer Dreadbox - Free user manual and instructions
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| Product Type | Semi-Modular Analog Monophonic Synthesizer |
| Brand | Dreadbox |
| Model | Erebus |
| Dimensions (H x W x D) | 130 x 300 x 200 mm |
| Weight | 2.5 kg |
| Power Supply | 12V DC, 1A, center positive (barrel connector) |
| Oscillators | 2 analog VCOs with sawtooth, square, and pulse waves |
| Filter | 1 low-pass VCF with resonance (24 dB/oct) |
| Envelope Generator | 1 ADSR envelope |
| LFO | 1 LFO with triangle, square, and sawtooth waves |
| Effects | Built-in analog delay (PT2399 chip) |
| Modulation | Patch points for external CV/Gate (semi-modular) |
| Audio Outputs | 1/4" TS jack (mono), 1/8" headphone jack |
| Audio Inputs | 1/8" external audio input, 1/4" instrument input |
| CV/Gate I/O | 2 CV inputs, 1 gate input, 1 gate output (3.5mm jacks) |
| Construction | Aluminum chassis, wooden side panels |
| Cleaning | Use a dry, soft cloth. Avoid moisture and solvents. |
| Safety | Do not expose to rain or moisture. Use only provided power supply. |
| Repairability | Module construction; components accessible via rear panel. |
| Spare Parts | Contact Dreadbox directly or authorized dealers. |
Frequently Asked Questions - Erebus Dreadbox
How do I power the Erebus synthesizer?
Use the included 12V DC power supply with a center-positive barrel connector. Ensure the plug fits securely before turning on.
Does the Erebus have MIDI connectivity?
No, the Erebus is a semi-modular synth without built-in MIDI. It uses CV/Gate signals for pitch and trigger control.
Can I use the Erebus with Eurorack modules?
Yes, the patch points operate at Eurorack-compatible voltages (0-10V CV, gate). Use 3.5mm cables to connect to your modular system.
What is the delay effect built into the Erebus?
It features an analog delay based on the PT2399 chip, providing up to ~600ms of delay time with feedback and mix controls.
How can I connect an external audio source to the Erebus?
Use the 1/8" external audio input jack located on the front panel. The signal can be processed through the filter and delay.
Is the Erebus monophonic or polyphonic?
It is a monophonic synthesizer. It plays one note at a time, but you can layer the two oscillators for richer sounds.
How do I clean and maintain the Erebus?
Wipe the surface with a dry, soft cloth. Do not use liquids or abrasive cleaners. Keep away from dust and moisture.
What replacement parts are available?
Spare parts such as knobs, switches, and power supplies can be ordered from Dreadbox or authorized distributors. Contact support for specifics.
Can I use headphones with the Erebus?
Yes, there is a 1/8" headphone output on the front panel. Note that the main audio out is a 1/4" TS jack.
What kind of patch cables should I use?
Standard 3.5mm mono TS patch cables are recommended for CV and gate connections. Avoid using stereo cables.
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USER MANUAL Erebus Dreadbox
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Product information
Brand : Dreadbox
Model : Erebus
Category : Synthesizer