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4ms Company WAV Recorder User Manual

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WAV Recorder
The
from 4ms Company is a high fidelity, two-channel stereo audio recorder with basic playback
features. Accepting a wide range of input signals, from line-level to modular-level, the
audio onto a microSD card in lossless .wav format up to 96kHz/24-bit. The trigger jack can be used for capturing
rhythmic loops or synchronizing multiple
the trigger jack or button plays the most recent recording. A simple file/folder navigation system can be used to
browse the folders on the card for playing back .wav files. A
LED Signal Meter indicates clipping and the signal level.
• Records up to 96kHz/24-bit, creating stereo or mono .wav files on the microSD card
• Gain knob and LED level meter make it easy to record a wide range of signal levels
• Plays standard .wav files from the card, without renaming files
• Browse any folder on the card for playback
• Card can be hot-swapped without rebooting module
• Extremely low noise, high-fidelity design
• Includes 16GB microSD card (Class 10), SD adaptor, 10-to-16 pin power cable and M3 screws
• Can be used as a stereo pre-amp (line to modular level), providing up to +20dB of gain
WAV Recorder
4ms Company
User Manual 1.0.1 – June 27, 2018
for firmware v1.0
Record
Playback
Busy
Record
Clip
0dB
-∞
+20dB
Input Gain
IN
Left
Right
OUT
WAV RECORDER
WAV Recorder
modules for multi-track recording. In
Gain
WAV Recorder
knob allows for up to +20dB of boost, and an
stores
Playback
mode,

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Summary of Contents for 4ms Company WAV Recorder

  • Page 1 Left Right WAV RECORDER WAV Recorder from 4ms Company is a high fidelity, two-channel stereo audio recorder with basic playback WAV Recorder features. Accepting a wide range of input signals, from line-level to modular-level, the stores audio onto a microSD card in lossless .wav format up to 96kHz/24-bit. The trigger jack can be used for capturing...

  • Page 2: Table Of Contents

    The other end of the power cable is a 10-pin connector which should already be connected to the WAV Recorder with the red stripe on the power cable orientated towards the bottom of the module. Note: The WAV Recorder is reverse-polarity protected, but other modules being incorrectly connected could damage anything on the power bus.

  • Page 3: Controls: Button, Knob, Switch And Jacks

    Controls: Button, Knob, Switch and Jacks Record/Playback switch Record WAV Recorder has two main functions: recording and playing .wav files. This switch toggles between these functions. Record Playback Flip the switch up to enter mode. Flip the switch down to enter mode.

  • Page 4: Tutorial: Basic Recording

    7. Congratulations! You just made a high-quality recording! The WAV Recorder has now created a .wav file on the microSD card. You can listen to your recording by flipping the switch to Playback and then pressing the button. The button will turn green and you’ll hear your recording.

  • Page 5: Folders And File Organization

    See Folders and File Organization for an explanation of the naming system. If no session folders are found, the WAV Recorder will pick the first .wav file in the first folder on the microSD Card, alphabetically.

  • Page 6: Browsing Files For Playback

    Browsing Files for Playback When you first flip the switch to Playback, the most recent recording in the most Record Hold… recent session folder will be selected as the current playback file. If there are no session folders on the card, then the folders will be scanned alphabetically and the Playback first file in the first folder will be selected.

  • Page 7: Trigger Jack

    There are several uses for this: Multi-track recording Using two or more WAV Recorder modules, you can patch the same trigger into all of the trigger jacks. Firing a trigger will start recording on all units simultaneously. Since each module is a two-track...

  • Page 8: Example Patch: Multi-Track Recording

    WAV RECORDER Six-track recording The diagram above shows how you can use multiple WAV Recorder modules to record more than two tracks at a time. A common trigger can start and stop all the recordings at the same time. The trigger can be from a touch pad or any module that generates a manual gate or trigger.

  • Page 9: Using The Wav Recorder As A Pre-Amp

    Using the WAV Recorder as a Pre-amp Since the WAV Recorder can provide a wide range of gain or attenuation to stereo signals, it can also be used as pre-amp to interface external equipment with Eurorack modules. Patch any line-level, headphone-level, or modular-level signal into the IN jacks and turn the Gain knob until you see some signal but no clipping.

  • Page 10: Hot Swapping The Microsd Card

    “hiccup” in playback or recording. You do not need to refresh a card if it’s already inserted when you power up the WAV Recorder. The module always mounts the current card as part of its normal boot-up sequence.

  • Page 11: System Mode

    To enter System Mode, first make sure that the switch is flipped up to Record, and Playback that the WAV Recorder isn’t recording or paused. Then, hold the button down for 5 seconds. As you wait, the lights will show you the free space available (see Checking for Free Space);...

  • Page 12: Recording Rates And Selecting Microsd Cards

    Recording Rates and Selecting microSD Cards The microSD card included with the WAV Recorder is a Class 10 card and is sufficient for recording at many high-fidelity rates. With the included Class 10 card, we recommend 44.1kHz/16-bit/stereo, 48kHz/24-bit/mono, or 96kHz/16-bit/mono. The default factory setting is 44.1kHz/16-bit/stereo.

  • Page 13: Checking The Firmware Version

    Dropped Sample Log The WAV Recorder will allow you to record at any sample rate using any card, but if you surpass the limits of your card, there is a chance the recording will have some dropped samples. The longer the recording time, the greater the chance this will happen.

  • Page 14: Microsd Card

    Play the file again from the beginning. 8. If the file loads successfully, the WAV Recorder will display a chase sequence on the LEDs and the button will alternate green and blue. Press the button to start using the new firmware.

  • Page 15: Electrical And Mechanical Specifications

    Right IN jack will record silence on the right channel. The jumper should only be removed if you are connecting the WAV Recorder to a 4ms Company Listen module. See the Listen manual for connection details.

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