Introduction
The NUX PG-1 is a compact and versatile guitar effects processor designed for guitarists seeking a wide range of effects, a built-in tuner, and a metronome in a portable unit. This device integrates multiple conventional effects pedals into a single, ruggedly built enclosure, offering features such as distortion, flanger, reverb, and delay. It also includes a fully chromatic tuner for various electronic instruments and tunings, and a metronome with tap tempo functionality. The PG-1 can be powered by batteries or an optional mains adapter, making it suitable for practice, jamming, and on-the-go use.
Product Overview
Key Features
- Complete guitar effects pedal rack in one compact unit.
- Includes Gain/Distortion, Chorus, Flanger, Tremolo, Reverb, Echo, and Delay effects with fine adjustment and control.
- Built-in Chromatic Tuner for accurate instrument tuning.
- Integrated Metronome with adjustable tempo and tap tempo feature.
- Auxiliary input (Aux In) for connecting external audio devices like MP3 players or CD players to play along with tracks.
- Headphone socket for private practice without an amplifier.
- Portable design, powered by batteries (supplied) or an optional mains adapter.
Controls and Connections
The NUX PG-1 features an intuitive layout with various knobs, switches, and buttons for easy control over its functions. Key components include:
- Gain Knob: Adjusts the level of distortion/gain.
- Level Knob: Controls the overall output volume.
- MOD Knob: Selects and adjusts modulation effects (Chorus, Flanger, Tremolo).
- AMB Knob: Selects and adjusts ambient effects (Echo, Delay, Reverb).
- GAIN Switch: Toggles between Clean, Blues, and Rock distortion modes.
- AUX IN Switch (AIR ON/OFF): Activates or deactivates the auxiliary input.
- POWER Switch: Turns the unit ON/OFF and controls the backlight.
- Tuner Button: Activates the chromatic tuner.
- Metro Button: Activates the metronome.
- Sound Button: Cycles through sound presets or modes.
- Select Button: Confirms selections.
- Up/Down Arrow Buttons: Navigate menus or adjust parameters.
- TAP Button: Sets metronome tempo by tapping.
- INPUT Jack: For connecting your guitar.
- OUTPUT Jack: For connecting to an amplifier or mixer.
- AUX IN Jack: For connecting external audio sources.
- HEADPHONE Jack: For private listening.
- DC IN 3V Port: For connecting an optional 3V DC power adapter.

Figure 1: Front view of the NUX PG-1, showing the control knobs, switches, buttons, and LCD display.

Figure 2: Back view of the NUX PG-1, highlighting the belt clip and battery compartment.
Setup
Powering the Device
The NUX PG-1 can be powered by two AA batteries (supplied) or an optional 3V DC power adapter (not supplied).
- Battery Installation: Open the battery compartment on the back of the unit. Insert two AA alkaline batteries, ensuring correct polarity (+/-). Close the compartment securely.
- AC Adapter (Optional): If using an AC adapter, connect a compatible 3V DC adapter (center negative) to the DC IN 3V port on the side of the unit. Using an incorrect adapter may damage the device.
Connecting Your Equipment
- Guitar Connection: Connect your guitar cable to the INPUT jack on the NUX PG-1.
- Amplifier/Mixer Connection: Connect a cable from the OUTPUT jack of the NUX PG-1 to your guitar amplifier, mixer, or audio interface.
- Headphone Connection: For private practice, plug your headphones into the HEADPHONE jack.
- External Audio Device Connection: To play along with music, connect your MP3 player, CD player, or smartphone to the AUX IN jack using a 3.5mm stereo cable.
Operating Instructions
Basic Operation
- Power On/Off: Slide the POWER switch to the 'ON' position to turn on the unit. Slide it to 'OFF' to power down. The switch also controls the backlight.
- Adjusting Volume: Use the LEVEL knob to control the overall output volume of the PG-1.
Effects Control
The PG-1 offers a range of guitar effects, categorized into Gain, Modulation, and Ambient effects.
- Gain/Distortion: Use the GAIN switch to select between 'Clean', 'Blues', and 'Rock' modes. Adjust the intensity of the selected gain mode using the GAIN knob.
- Modulation Effects: Use the MOD knob to select between 'Chorus', 'Flanger', and 'Tremolo'. Rotate the knob to adjust the intensity or depth of the chosen modulation effect.
- Ambient Effects: Use the AMB knob to select between 'Echo', 'Delay', and 'Reverb'. Rotate the knob to adjust the intensity or decay of the chosen ambient effect.
Tuner Function
The built-in chromatic tuner allows for precise tuning of your instrument.
- Press the TUNER button to activate the tuner mode. The LCD display will show the detected note and pitch deviation.
- Play a single note on your instrument. The display will indicate if the note is sharp, flat, or in tune.
- Adjust your instrument's tuning until the display indicates the note is in tune.

Figure 3: The NUX PG-1 display in tuner mode, indicating the detected note (e.g., 'E') and pitch accuracy.
Metronome Function
The metronome helps with rhythm practice.
- Press the METRO button to activate the metronome.
- Use the Up/Down Arrow buttons to adjust the tempo (BPM).
- Alternatively, use the TAP button to set the tempo by tapping it in rhythm. The PG-1 will calculate the BPM based on your taps.
Aux-In Usage
Connect an external audio source to the AUX IN jack to play along with your favorite tracks.
- Ensure your external device is connected to the AUX IN jack.
- Slide the AUX IN switch to 'ON' (AIR ON) to enable the auxiliary input.
- Adjust the volume on your external audio device as needed.
Headphone Output
The headphone output allows for silent practice.
- Plug your headphones into the HEADPHONE jack.
- The sound will be routed to your headphones, muting the main output.
- Adjust the LEVEL knob for headphone volume.
Maintenance
Cleaning
To maintain the appearance and functionality of your NUX PG-1:
- Wipe the unit with a soft, dry cloth.
- Do not use abrasive cleaners, waxes, or solvents.
- Avoid spraying liquids directly onto the unit.
Battery Replacement
Replace batteries when the display dims or the unit's performance degrades.
- Turn off the unit and disconnect all cables.
- Open the battery compartment on the back.
- Remove old batteries and dispose of them responsibly.
- Insert two new AA alkaline batteries, observing correct polarity.
- Close the battery compartment.
Storage
When not in use for extended periods:
- Remove the batteries to prevent leakage.
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your NUX PG-1, refer to the following common problems and solutions:
| Problem | Possible Cause & Solution |
|---|---|
| No power / Unit does not turn on. |
|
| No sound output. |
|
| Poor sound quality / Noise. |
|
| Tuner not responding accurately. |
|
Specifications
| Parameter | Value |
|---|---|
| Product Dimensions | 21.59 x 14.4 x 3.71 cm |
| Item Weight | 281 g |
| Model Number | PG-1 |
| Colour | Red |
| Hardware Interface | 3.5mm Audio |
| Signal Format | Analog |
| Power Source | Battery Powered (2x AA) / Optional 3V DC Adapter |
| Voltage | 3 Volts |
| Amperage | 250 Milliamps (for adapter) |
| Manufacturer | Nux |
| Date First Available | 29 August 2010 |
Warranty and Support
Warranty Information
Warranty terms and conditions for the NUX PG-1 are typically provided with the product at the time of purchase. Please refer to the documentation included in your product packaging for detailed warranty information, including coverage period and claims process. Retain your proof of purchase for warranty validation.
Customer Support
For further assistance, technical support, or inquiries regarding your NUX PG-1, please visit the official website of the manufacturer, Nux, or the brand, Tiger. You may find FAQs, additional resources, and contact information for customer service there.





