1. Introduction
This manual provides detailed instructions for the operation and maintenance of the Zoom G1 Four Guitar Effects Processor, along with information regarding the included Polsen HPC-A30 Monitor Headphones, 9V Power Adapter, and 10ft Instrument Cable. Please read this manual thoroughly before use to ensure proper functionality and to maximize your experience with the product.
2. Safety Information
To prevent electric shock, fire, or other hazards, observe the following safety precautions:
- Do not expose the unit to rain or moisture.
- Do not open the casing. Refer all servicing to qualified personnel.
- Use only the specified power adapter (9V DC, center negative).
- Avoid placing the unit near heat sources or in direct sunlight.
- Keep out of reach of children.
- Disconnect power during lightning storms or when unused for long periods.
3. Package Contents
Verify that all items listed below are present in your package:
- Zoom G1 Four Guitar Effects Processor
- Polsen HPC-A30 Closed-Back Studio Monitor Headphones
- ART 9V AC Power Adapter
- Strukture SC10R 10 Feet Instrument Guitar Cable
- 4 x AA Batteries (for G1 Four)
- 1/4" Adapter (for Polsen HPC-A30)
- User Manual (this document)
Image 3.1: Overview of the Zoom G1 Four bundle components.
This image displays the complete bundle. It features the Zoom G1 Four multi-effects processor in the upper left, Polsen HPC-A30 monitor headphones in the upper right, a Strukture instrument cable coiled in the lower left, and the ART 9V AC power adapter in the lower right. All components are black.
4. Product Overview
4.1 Zoom G1 Four Guitar Effects Processor
The Zoom G1 Four is a compact multi-effects processor designed for electric guitarists. It offers a wide array of effects, amplifier models, and essential features like a looper and rhythm patterns.
Image 4.1.1: Angled view of the Zoom G1 Four.
This image shows the Zoom G1 Four from an angled perspective, highlighting its compact design and the layout of its footswitches and control knobs. The display screen is visible, showing effect icons.
Image 4.1.2: Top-down view of the Zoom G1 Four controls.
This image provides a clear top-down view of the G1 Four, detailing the five control knobs (Lo, Mid, Hi, Vol, and a fifth unlabeled knob), the five effect parameter buttons (1-5), the Rhythm and Looper buttons, and the two large footswitches for navigation and activation.
Key Features:
- Over 60 built-in guitar effects
- Up to 5 effects can be used simultaneously, chained in any order
- 13 classic amp models
- Onboard 30-second looper
- 68 built-in rhythm patterns
- Chromatic tuner
- Global tone stack and volume knob
4.2 Polsen HPC-A30 Monitor Headphones
The Polsen HPC-A30 are closed-back studio monitor headphones designed for accurate audio reproduction, suitable for monitoring in various applications.
Image 4.2.1: Polsen HPC-A30 Monitor Headphones.
This image shows the Polsen HPC-A30 headphones, featuring a black, over-ear design with padded earcups and an adjustable headband. The Polsen logo is visible on the side of one earcup.
Key Features:
- Closed-back design for isolation
- 50mm drivers
- Frequency response: 18Hz to 22kHz
4.3 Included Accessories
ART 9V AC Power Adapter:
Provides stable 9V DC power for the Zoom G1 Four.
Image 4.3.1: ART 9V AC Power Adapter.
This image shows the black ART 9V AC power adapter with its attached DC barrel connector cable.
Strukture SC10R 10 Feet Instrument Guitar Cable:
A high-performance 10-foot instrument cable for connecting your guitar to the G1 Four.
Image 4.3.2: Strukture SC10R Instrument Cable.
This image displays the coiled black Strukture SC10R 10-foot instrument cable with its two 1/4-inch jack connectors. The cable's packaging is partially visible.
5. Setup
Follow these steps to set up your Zoom G1 Four and accessories:
5.1 Connecting the Zoom G1 Four
Image 5.1.1: Rear panel connections of the Zoom G1 Four.
This image shows the rear panel of the G1 Four, detailing the INPUT, AUX IN, DC 9V power input, USB port (DC 5V), and OUTPUT jacks.
- Connect your Guitar: Use the Strukture instrument cable to connect your electric guitar to the INPUT jack on the right side of the G1 Four's rear panel.
- Connect to an Amplifier or Headphones:
- For an amplifier: Connect the OUTPUT jack on the left side of the G1 Four's rear panel to your guitar amplifier's input using another instrument cable (not included).
- For headphones: Connect the Polsen HPC-A30 headphones directly to the OUTPUT jack. If the headphone plug is 3.5mm, use the included 1/4" adapter.
- Power Connection:
- Using the AC Adapter: Connect the ART 9V AC Power Adapter to the DC 9V input on the G1 Four's rear panel, then plug the adapter into a standard AC outlet.
- Using Batteries: Open the battery compartment on the bottom of the G1 Four and insert the 4 AA batteries, ensuring correct polarity.
- Power On: Once connections are secure, the G1 Four will power on automatically when connected to the AC adapter or when batteries are inserted.
5.2 Connecting Polsen HPC-A30 Headphones
The Polsen HPC-A30 headphones connect to any standard 1/4-inch (6.35mm) headphone jack. If your device has a 3.5mm (1/8-inch) jack, use the included 1/4" adapter.
- Insert the headphone's 1/4-inch plug into the desired audio output jack (e.g., the G1 Four's OUTPUT jack).
- Adjust the headband for a comfortable fit.
6. Operating the Zoom G1 Four
This section covers the basic operation of the G1 Four.
6.1 Basic Navigation and Modes
- Memory Mode: Use the left and right footswitches to scroll through preset patches.
- Stomp Mode: Press the STOMP/EDIT button to enter Stomp mode. In this mode, the five effect parameter buttons (1-5) act as individual stompbox switches to turn effects on/off within a patch.
- Edit Mode: Press and hold the STOMP/EDIT button to enter Edit mode, allowing you to modify effect parameters, change effect order, and save patches.
6.2 Effects and Amp Models
- In Edit mode, use the navigation buttons to select an effect slot.
- Turn the SELECT knob to choose an effect type or amp model.
- Use the Lo, Mid, Hi, Vol knobs and the fifth parameter knob to adjust the selected effect's parameters.
- To save your changes, press the MEMORY button, select a patch location, and confirm.
6.3 Looper Function
The G1 Four features a 30-second looper.
- Press the LOOPER button to activate the looper.
- Press the left footswitch (REC/PLAY) to start recording.
- Press the left footswitch again to stop recording and start playback.
- Press the left footswitch during playback to overdub.
- Press the right footswitch (STOP) to stop playback.
- Press and hold the right footswitch to clear the loop.
6.4 Rhythm Patterns
The G1 Four includes 68 built-in rhythm patterns.
- Press the RHYTHM button to activate the rhythm section.
- Use the SELECT knob to choose a rhythm pattern.
- Adjust the tempo using the appropriate control (refer to the G1 Four's on-screen display for tempo adjustment).
- Press the RHYTHM button again to stop the rhythm.
6.5 Tuner Function
The chromatic tuner allows for accurate instrument tuning.
- Press both footswitches simultaneously to activate the tuner.
- Play a single note on your guitar. The display will show the note and indicate if it is sharp or flat.
- Adjust your guitar's tuning until the display indicates the note is in tune.
- Press either footswitch to exit the tuner.
7. Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove batteries from the G1 Four.
- Headphones: Clean earcups with a damp cloth. Avoid submerging in water.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to G1 Four | Incorrect power adapter; loose connection; dead batteries. | Ensure correct 9V DC (center negative) adapter is used and securely connected. Check battery polarity or replace batteries. |
| No sound output | Incorrect cable connection; output volume too low; effect bypass. | Verify guitar is connected to INPUT and amplifier/headphones to OUTPUT. Increase G1 Four's volume knob. Check if an effect is bypassing the signal. |
| Distorted or poor sound quality | Input level too high; incorrect effect settings; faulty cable. | Adjust guitar volume or G1 Four's input level. Review effect parameters. Try a different instrument cable. |
| Looper not recording/playing | Incorrect looper operation sequence. | Refer to Section 6.3 for correct looper steps (Record, Play, Overdub, Stop, Clear). |
9. Specifications
9.1 Zoom G1 Four Guitar Effects Processor
- Model: G1 Four
- Dimensions: 9.8 x 6.1 x 1.4 inches (249 x 156 x 45 mm)
- Weight: 2.5 pounds (1.13 kg)
- Body Material: Plastic
- Effects: 60+ built-in effects, 5 simultaneous use
- Amp Models: 13
- Looper: Up to 30 seconds
- Rhythm Patterns: 68
- Input: 1/4-inch mono phone jack
- Output: 1/4-inch stereo phone jack (supports headphones)
- AUX IN: 1/8-inch stereo mini jack
- USB: Micro USB (for firmware updates, power)
- Power: AC adapter (Zoom AD-16, 9V DC center negative) or 4 AA batteries
- Signal Format: Analog
9.2 Polsen HPC-A30 Monitor Headphones
- Design: Closed-back, over-ear
- Driver Size: 50mm
- Frequency Response: 18Hz - 22kHz
- Connector: 1/4-inch (6.35mm) with 1/8-inch (3.5mm) adapter
9.3 ART 9V AC Power Adapter
- Input: 100-240V AC, 50/60Hz
- Output: 9V DC, center negative
10. Warranty and Support
The Zoom G1 Four Guitar Effects Processor, Polsen HPC-A30 Monitor Headphones, and ART 9V AC Power Adapter are covered by a 1-year manufacturer's warranty from the date of purchase.
For technical support, warranty claims, or service inquiries, please contact the respective manufacturer's customer service department. Refer to the product packaging or manufacturer's website for contact information.
