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Zoom AMS-24 Operation Manual

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Operation Manual
You must read the Usage and Safety Precautions before use.
©2022 ZOOM CORPORATION
Copying or reprinting this manual in part or in whole without permission is prohibited.
Product names, registered trademarks and company names in this document are the property of their respective companies. All trademarks and
registered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners.
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Summary of Contents for Zoom AMS-24

  • Page 1 Operation Manual You must read the Usage and Safety Precautions before use. ©2022 ZOOM CORPORATION Copying or reprinting this manual in part or in whole without permission is prohibited. Product names, registered trademarks and company names in this document are the property of their respective companies. All trademarks and registered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners.

  • Page 2: Notes About This Operation Manual

    • Recording from copyrighted sources, including CDs, records, tapes, live performances, video works and broadcasts, without permission of the copyright holder for any purpose other than personal use is prohibited by law. Zoom Corporation will not assume any responsibility related to infringements of copyrights.

  • Page 3: Table Of Contents

    Mixer diagram................................32 Terms used in this manual............................33 Troubleshooting.................................34 Cannot select or use the AMS-24 device.......................34 The sounds of devices connected to input jacks are distorted, too quiet or silent........34 Cannot play or record.............................. 34 Playback sound cannot be heard or is quiet......................35 Recorded audio is too loud, too quiet or silent....................

  • Page 4: Overview Of Music And Streaming Modes

    Different sounds can be output from the computer, smartphone or tablet through headphone jacks A and B. This enables recording while a person operating the computer and a person performing listen to different sounds. AMS-24 INPUT1 INPUT1 INPUT2...

  • Page 5: Streaming Mode

    INPUT1 INPUT2 INPUT2 OUTPUT 1/2 OUTPUT A OUTPUT 3/4 OUTPUT B When the AMS-24 Stereo Link switch is on, Input 1 (left) and Input 2 (right) function as a stereo input. (→ Stereo link overview)   ■ Use examples →...

  • Page 6: Functions Of Parts

    ❻ MUSIC/STREAMING switch This switches between MUSIC and STREAMING modes. Set it to MUSIC when using the AMS-24 to make music with a DAW, for example. Set it to STREAMING when using it to stream on the web, for example.

  • Page 7: Left And Right Sides

    Set this to ON to directly monitor sounds from the Input jacks before they pass through the computer. (→ Using direct monitoring) ❹ LOOPBACK switch Set this to ON to send a mix of the sounds played by the computer and input through the AMS-24 back to the computer. (→ Enabling the loopback function)

  • Page 8: Front And Back

    Front and back ■ Front ■ Back ❶ Input jacks 1–2 These input jacks have built-in mic preamps. Connect mics, keyboards, guitars and other audio sources to them. These can be used with both XLR and standard phone (balanced or unbalanced) plugs. (→ Connecting instruments and mics) 1: GND...

  • Page 9: Connecting To A Computer

    Connecting to a computer The AMS-24 is compatible with USB bus power, so power can be supplied to it from a computer through a USB cable. In addition to USB bus power, it can also be operated using an external power supply (dedicated AC adapter or mobile battery) or batteries.

  • Page 10: Installing The Driver On Windows Computers

    NOTE: The latest “ZOOM AMS-24 Driver” can be downloaded from the above website. Launch the installer and follow the instructions to install the “ZOOM AMS-24 Driver”. NOTE: • Do not connect the AMS-24 to the computer during installation.

  • Page 11: Connecting Smartphones And Tablets

    Connecting smartphones and tablets During use with a smartphone or tablet, an external power supply or batteries must be used. Minimize the volume before connecting speakers, headphones or other output devices to the AMS-24. (→ Adjusting the volume) Connect an external power supply or use batteries. (→...

  • Page 12: Supplying Power

    Supplying power Using an external power supply A dedicated AC adapter (ZOOM AD-17) or a commercially-available USB mobile battery can be used. Connect the USB connector of the dedicated AC adapter to the DC 5V port (Type-C), and plug the AC adapter into an outlet.
  • Page 13 Using batteries Prepare two AA batteries. Slide open the battery cover on the bottom of the AMS-24 and install the batteries. Slide the battery cover to close it. to ON. Confirm that the POWER indicator is lit red. NOTE: • Use only one type of battery (alkaline, NiMH or lithium) at a time.

  • Page 14: Connecting Instruments And Mics

    OFF before connecting instruments and mics. Connecting instruments Connect an instrument to the AMS-24. • Use an instrument cable to connect a guitar or bass, for example, to the Input 1 jack. • Use instrument or TRS cables to connect a keyboard, or mixer, for example, to the Input 1–2 jacks.
  • Page 15 according to the device connected to the Input 1 jack. Switch position Explanation Use this setting when connecting a passive guitar or bass. Set this to GUITAR to support high-impedance (Hi-Z) input. This does not need to be set to GUITAR when connecting an active guitar or bass. Use this setting when connecting a mic or keyboard, for example.

  • Page 16: Connecting Mics

    Connecting mics Use mic cables to connect dynamic and condenser mics to the Input 1 and 2 jacks. When connecting a mic to the Input 1 jack, set to MIC/LINE. to set phantom power. Phantom power is supplied to the XLR connectors of both Inputs 1 and 2 simultaneously. Switch position Explanation Use this to supply phantom power to condenser mics.

  • Page 17: Stereo Link Overview

    NOTE: Do not set to ON when connecting equipment that is not compatible with phantom power. Doing so could damage the equipment. Stereo link overview Turning on the stereo link enables stereo input with sound from Input 1 to the left and Input 2 to the right. When connecting a keyboard or other equipment with stereo output, set the Stereo Link switch to ON.

  • Page 18: Adjusting The Input Gain

    Adjusting the input gain The input sensitivity of Inputs 1–2 can be adjusted. to adjust the input signals while inputting sound from instruments and mics. Level indicators : Input signal present (−48 dBFS or higher). : Input signal is clipping (−1 dBFS or higher). NOTE: •...

  • Page 19: Using Direct Monitoring

    Using direct monitoring When direct monitoring is turned on, sound input to the AMS-24 can be directly monitored using headphones, for example, before it passes through the computer. This enables monitoring without latency. to ON. HINT: When the Stereo Link switch is on, sounds from Inputs 1 and 2 can be monitored in stereo. (→...

  • Page 20: Adjusting The Volume

    Adjusting the volume The volume output from speakers and headphones connected to the AMS-24 can be adjusted. The connected jacks have different knobs to adjust their volumes. NOTE: Set the AMS-24 volume to 0 before connecting speakers or headphones. Failure to do so could result in unexpected loud sounds, causing harm to hearing, for example.

  • Page 21: Enabling The Loopback Function

    Enabling the loopback function By turning the LOOPBACK function ON, sound input through the AMS-24 Input 1–2 jacks and sound output from the computer can be mixed and then input to the computer again (looped back). This is convenient for mixing background music played on the computer with sound input through the AMS-24 and streaming it live, for example.
  • Page 22 NOTE: • When is set to ON, disable AMS-24 monitoring in the DAW or streaming application. If enabled, a feedback loop could be generated, which might cause loud noise to be output. • The USB OUTPUT 3/4 sound will not be looped back.

  • Page 23: Use Example: Making Music

    Use example: Making music To make music using a DAW app to record guitar and vocals at the same time, for example, set the AMS-24 to MUSIC mode. The audio from the guitar and vocals can be recorded to separate tracks.
  • Page 24 Connect the AMS-24 and the computer, smartphone or tablet. (→ Connecting to a computer, Connecting smartphones and tablets) USB Type-C   USB Type-C Connect the mic and instrument and set the switches. (→ Connecting instruments, Connecting mics) Adjust the input gain. (→...
  • Page 25 Adjust the output volume. (→ Adjusting the volume) Launch the DAW app on the computer, smartphone or tablet, and select the AMS-24 as the audio interface. Create recording tracks in the DAW app, and start recording. NOTE: Refer to the DAW app manual for how to use it.

  • Page 26: Use Example: Web Streaming Using A Computer

    Use example: Web streaming using a computer When connecting with a computer for web streaming or podcast recording, set the AMS-24 to STREAMING mode. ON AIR to STREAMING mode. (→ STREAMING mode) AMS-24 INPUT1 INPUT1 INPUT2 INPUT2 OUTPUT A OUTPUT 1/2...
  • Page 27 Connect the mic and instrument and set the switches. (→ Connecting instruments, Connecting mics) Adjust the input gain. (→ Adjusting the input gain) Select the AMS-24 as the computer input and output device. to ON. (→ To enable the loopback function, set Enabling the loopback function)
  • Page 28 Adjust the output volume. (→ Adjusting the volume) Launch the streaming app on the computer, smartphone or tablet, and select the AMS-24 as the “audio” or “input/output” device. Start streaming. NOTE: • Use BGM with permission from its creators. • Refer to the streaming app manual for how to use it.

  • Page 29: Use Example: Web Streaming Using A Smartphone/Tablet

    Use example: Web streaming using a smartphone/tablet When using a smartphone/tablet for web streaming or podcast recording, set the AMS-24 to STREAMING mode. ON AIR ON AIR to STREAMING mode. (→ STREAMING mode) AMS-24 INPUT1 INPUT1 INPUT2 INPUT2 OUTPUT A...
  • Page 30 Connect the AMS-24 and smartphone/tablet. (→ Connecting smartphones and tablets) USB Type-C Connect the mic and instrument and set the switches. (→ Connecting instruments, Connecting mics) Adjust the input gain. (→ Adjusting the input gain)
  • Page 31 Adjust the output volume. (→ Adjusting the volume) Launch the streaming app on the smartphone/tablet, and start streaming. NOTE: Refer to the streaming app manual for how to use it.

  • Page 32: Mixer Diagram

    Mixer diagram...

  • Page 33: Terms Used In This Manual

    Terms used in this manual USB audio interface This is a device that can input sound from mics and instruments, for example, to a computer, smartphone or tablet as well as output sound from such a device to speakers and headphones. Dynamic mic These mics do not require phantom power and are tough and durable.

  • Page 34: Troubleshooting

    • Quit all software that is using the AMS-24. Then, disconnect and reconnect the USB cable connected to the AMS-24. • If using a USB hub, stop using it. Connect the AMS-24 directly to a USB port on the computer. • When connecting to a Windows computer, installing the dedicated driver can resolve problems with applications other than DAWs.

  • Page 35: Playback Sound Cannot Be Heard Or Is Quiet

    • If the audio buffer size of the software being used can be adjusted, increase it. • Turn off the automatic sleep function and other computer power saving settings. • If using a USB hub, stop using it. Connect the AMS-24 directly to a USB port on the computer.

  • Page 36: Specifications

    Specifications Input and output channels Number of input Mono (MIC/LINE) channels Number of output Stereo (TRS) channels Stereo (PHONES) Connectors Input 1–2 Type XLR/TRS combo jacks (XLR: 2 HOT, TRS: TIP HOT) Input gain −∞ – +58 dB / −∞ – +50 dB (when set to GUITAR) Input impedance XLR: 2.7 kΩ...
  • Page 37 Class USB Audio Class 2.0 Power 2 AA batteries (alkaline, lithium, or rechargeable NiMH) AC adapter (ZOOM AD-17): DC 5 V/1 • USB bus power is supported. Rated current USB/AC adapter (5 V): 380 mA Batteries (2.4 V): 470 mA Estimated continuous 44.1 kHz, 48 V off, with 32Ω...
  • Page 38 ZOOM CORPORATION 4-4-3 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062 Japan zoomcorp.com Z2I-4409-01...

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