Nebulus - Uncategorized Empress Effects - Free user manual and instructions
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| Product Type | Multi-Effects Pedal (Reverb, Delay, Modulation) |
| Brand | Empress Effects |
| Model | Nebulus |
| Power Supply | 9V DC, center-negative (2.1mm barrel) or 9V battery |
| Current Draw | Approximately 150 mA |
| Dimensions (W x D x H) | 8.9 x 12.7 x 5.1 cm (3.5 x 5.0 x 2.0 in) |
| Weight | About 0.4 kg (0.9 lb) |
| Input Impedance | 1 MΩ |
| Output Impedance | 1 kΩ |
| Signal-to-Noise Ratio | > 105 dB |
| Frequency Response | 20 Hz – 20 kHz |
| Controls | Reverb Type, Decay, Pre-Delay, Mix, Delay Time, Feedback, Level, Modulation Speed & Depth (per effect), Master Bypass footswitch, Preset select |
| Connectors | 1/4" Input, 1/4" Output, Power jack, USB-C (for firmware updates) |
| Bypass | True bypass relais |
| Presets | Up to 40 user presets (4 banks x 10) via MIDI or onboard |
| MIDI | 5-pin DIN In/Thru |
| Construction | Aluminum enclosure, powder-coated finish |
| Included Accessories | User manual, sticker |
| Recommended Cleaning | Wipe with a soft dry cloth; avoid solvents |
| Safety | Use only specified power supply; no user-serviceable parts inside |
| Repairability / Spare Parts | Contact Empress Effects support; not designed for user repair |
Frequently Asked Questions - Nebulus Empress Effects
How do I power the Nebulus pedal?
Use a standard 9V DC power supply with center-negative polarity and a 2.1mm barrel plug. It draws approximately 150 mA. You may also use a 9V battery (not included).
Can I use the Nebulus with a bass guitar?
Yes, the Nebulus works well with both electric guitar and bass. It has a wide frequency response (20 Hz – 20 kHz) and high impedance input.
How do I save a preset?
Hold the footswitch for a few seconds until the LED blinks, then rotate any knob to adjust parameters. Press and hold again to save. Refer to the manual for detailed steps.
Does the Nebulus support MIDI?
Yes, it has 5-pin DIN MIDI In and Thru jacks. You can send program changes to select presets (0-39) and control parameters via CC messages.
What is the difference between the reverb and delay engines?
The reverb engine offers several algorithms (Hall, Plate, Spring, etc.) with control over Decay, Pre-Delay, and Mix. The delay engine provides digital delay with Time, Feedback, and Level controls. Both can be used simultaneously or independently.
Can I update the firmware?
Yes, connect the Nebulus to your computer via the USB-C port and use the Empress Effects Nebulus updater tool (available on their website). Updates may add new features or fix issues.
How do I access the tap tempo function?
Tap tempo is available for the delay time. Press and release the footswitch twice in quick succession to set the delay time to the tapped tempo. The LED will flash accordingly.
What does the 'Mix' control do?
The Mix control blends the dry (unaffected) signal with the wet (effected) signal. At minimum, only dry signal passes; at maximum, only wet. Adjust to taste for parallel processing.
Is the bypass true bypass?
Yes, the Nebulus uses a relay-based true bypass system. When the effect is off, your guitar signal passes through unaffected, preserving tone even when power is disconnected.
My unit seems noisy. What can I do?
Check your power supply: use a dedicated 9V adapter with sufficient current. Avoid daisy-chaining with high-draw digital pedals. Also, ensure your instrument cables are shielded and in good condition.
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USER MANUAL Nebulus Empress Effects
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Product information
Brand : Empress Effects
Model : Nebulus
Category : Uncategorized