Zoom F8 MultiTrack Field Recorder Instruction Manual

1. Introduction

The Zoom F8 MultiTrack Field Recorder is a professional audio recording device designed for filmmakers, sound designers, and production sound recordists. It offers 8-channel/10-track recording capabilities, high-quality preamps, and support for high-resolution audio. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your F8 recorder.

2. Setup

2.1 Unpacking and Overview

Carefully unpack your Zoom F8 and ensure all components are present. Familiarize yourself with the device's layout.

Figure 1: Front view of the Zoom F8, displaying the user interface and input controls.

2.2 Power Options

The F8 offers flexible power options to suit various recording environments:

• AA Batteries: Insert 8 AA batteries into the battery pack located on the underside of the unit.


Figure 2: Battery compartment for 8 AA batteries.

• External 4-pin Hirose Connector: For extended operation, connect an external DC power source (12V) via the 4-pin Hirose connector.
• AC Adapter: Use the provided AC adapter for continuous power from a wall outlet.

Figure 3: Rear panel with DC IN and Hirose connector.

2.3 SD Card Installation

The F8 features dual SD card slots, supporting up to 512GB each. This allows for simultaneous recording to two cards, providing a backup or enabling different recording formats on each card.

1. Open the SD card slot covers.
2. Insert SD/SDHC/SDXC cards into the slots until they click into place.
3. Close the covers securely.

Figure 4: SD card slots and input connectors.

2.4 Connecting Microphones and Inputs

The F8 is equipped with 8 high-quality, super low-noise mic preamps, offering up to 75 dB gain. Each input supports both XLR and 1/4-inch TRS plugs.

1. Connect your microphones or line-level sources to the XLR/TRS combo jacks.
2. If using condenser microphones requiring phantom power, enable 24V or 48V phantom power for the specific input channels via the menu.

Figure 5: XLR cables connected to the F8 inputs.

3. Operating the Zoom F8

3.1 Basic Controls and Display

The F8 features a 2.4-inch color LCD display for monitoring levels, timecode, and menu navigation. The display can be switched to a monochrome outdoor mode for better visibility in direct sunlight.

Each input channel has dedicated gain knobs and PFL/SOLO buttons. The gain knobs adjust the input level, while the PFL (Pre-Fader Listen) or SOLO (Post-Fader Listen) buttons allow you to isolate and monitor individual tracks through headphones.

3.2 Recording Functions

• Track Recording: The F8 can record up to 8 individual tracks plus a stereo mixdown, or a polywav file containing all tracks.
• Dual Channel Recording: This feature allows you to record a safety track at a lower gain setting (e.g., -12dB) for each input, providing a backup in case the main track clips due to unexpected loud sounds.
• Pre-Record: When enabled, the F8 continuously buffers audio, capturing a few seconds of audio before you press the record button. This helps prevent missing the beginning of a take.
• File Management: Recordings are saved to SD cards. You can configure settings for each SD card independently, including recording format (WAV, MP3) and file size limits.

3.3 Audio Settings

• High-Pass Filter (HPF): Apply an HPF to individual input channels to reduce low-frequency noise such as rumble from air conditioners or wind.
• Input Limiter: The F8 includes digital limiters to prevent clipping. While effective, it is recommended to set gain levels appropriately to avoid relying solely on limiters.
• Phase Invert: Use this feature when recording with multiple microphones that are close together to prevent phase cancellation issues.
• Input Delay: Compensate for slight delays between wired and wireless microphones by applying a small delay to wired inputs.
• Stereo Link/Trim Link: Link two input channels for stereo recording or to control the gain of multiple microphones with a single knob.

3.4 Output and Routing

The F8 offers comprehensive routing options for its main outputs, sub-outputs, and headphone output. You can select whether to send pre-fader or post-fader audio, or a stereo mixdown to each output destination.

• Output Level: Adjust output levels to match the input sensitivity of connected devices (e.g., cameras, external recorders).
• Output Limiter: Apply limiting to outputs to prevent clipping at the destination device.

3.5 Timecode Synchronization

The F8 features rock-solid timecode with 0.2ppm accuracy, essential for synchronizing audio with video. It supports drop frame and non-drop formats and includes Jam Sync capabilities via standard BNC connectors.

3.6 Remote Control and Connectivity

• iOS App: Control the F8 wirelessly via a dedicated iOS app. This allows for remote adjustment of levels, monitoring timecode, and transport controls.
• USB Functionality: The F8 can operate in two USB modes:
  • SD Card Mode: Mounts the SD cards as external drives on your computer for file transfer.
  • Audio Interface Mode: Functions as a multi-channel audio interface for live recording to a computer. Note: Simultaneous recording to SD cards and acting as an audio interface is not supported.
• FRC-8 Mixer Board: An optional external mixer board (FRC-8) can be connected for enhanced tactile control over faders and other functions.

4. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid abrasive cleaners or solvents.
• Storage: Store the F8 in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
• Firmware Updates: Periodically check the Zoom website for firmware updates to ensure optimal performance and access to new features.

5. Troubleshooting

• No Power: Check battery installation, external power connections, and AC adapter. Ensure the correct battery type is selected in the system settings.
• No Audio Input: Verify microphone connections, phantom power settings (if applicable), and input gain levels. Check that the correct input channels are armed for recording.
• Distorted Audio: Reduce input gain levels. Check for enabled limiters and adjust if necessary. Ensure microphones are not overloaded.
• Timecode Drift: Ensure all devices are properly jammed and synchronized. Check timecode settings on the F8.
• SD Card Errors: Format SD cards regularly using the F8's menu. Ensure cards are compatible and not corrupted.

For more detailed troubleshooting, refer to the full user manual available on the Zoom website.

6. Specifications

7. Warranty and Support

The Zoom F8 MultiTrack Field Recorder comes with a 1-year replacement warranty. For warranty claims, technical support, or additional product information, please visit the official Zoom website or contact their customer service department.

Online Resources:

• Official Zoom Website: www.zoom.co.jp
• Product Support Page: Refer to the specific product page for the F8 on the Zoom website for downloads, FAQs, and contact information.