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Sound Devices A20-TX

Product description
Ê Sound Devices A20-TXÊDigital Wireless TransmitterÊ Ê A Kaleidoscope of ConnectivityÊ Finding a tool that can serve multiple purposes is the goal of every audio professional. More flexible gear means less Ð less for you to carry in a bag or fit in a case, and less gear to rent for a gig. ThatÕs the philosophy behind the A20-TX digital wir...

Sound Devices A20-TX

Ê

Sound Devices A20-TXÊDigital Wireless TransmitterÊ

Ê

Sound Devices A20-TX

A Kaleidoscope of ConnectivityÊ

Finding a tool that can serve multiple purposes is the goal of every audio professional. More flexible gear means less Ð less for you to carry in a bag or fit in a case, and less gear to rent for a gig. ThatÕs the philosophy behind the A20-TX digital wireless transmitter. Sound Devices engineered it to be compatible with more input sources than any other transmitter, including two- or three-wire lavs, dynamic mics, phantom-powered condenser mics, guitars, balanced line-level sources, and even AES digital mics. The A20-TX transmitterÕs multipurpose input saves you from having to pack or rent more transmitters.

True Balanced InputÊÊ

The Sound Devices A20-TX transmitter includes an industry first: a full, true balanced ultra-low-noise, high-headroom mic preamp. In fact, this is the same preamp built into Sound DevicesÕ vaunted 8-Series mixers. The A20-TX mic preamp is a big step up from the excellent mic preamp built into the original A10-TX transmitter in terms of noise, headroom, and sonic purity.Ê

Excellent Battery LifeÊ

The A20-TX transmitter features battery life of up to 12 hours. Additionally, the A20-TXÕs flexible powering scheme allows the use of many battery types, including standard alkaline or NiMh AA batteries, rechargeable Li-Ion batteries, rechargeable LiFePO4 batteries, or even USB battery packs.

Advanced FeaturesÊ

The A20-TX transmitter boasts industry-leading features like Sound DevicesÕ proprietary NexLink 2.4 GHz long-range wireless remote control technology that allows multiple A20-TX transmitters to be controlled and timecode synced dependably from an A20-Nexus or A20-Nexus Go digital receiver. NexLink works over long distances Ð even through Wi-Fi, Bluetooth, and other 2.4 GHz interference. The A20-TX transmitterÕs long-range modulation achieves excellent operational range. The A20-TX also includes Sound DevicesÕ proprietary SpectraBand technology, which enables the A20-TX transmitter to tune over a super wide range of 169-1525 MHz.ÊÊ

A20-TX Switch Ê

For the applications that call for a user-actuated switch, the A20-TX transmitter features the industryÕs first physically removable switch. Its large size, positive tactile operation, and magnetic activation give users ultimate confidence and reliability.ÊÊ

GainForwardÊ

With GainForward, there is no gain setting on the transmitter! You control your A20-TX transmitterÕs audio gain, either directly at the mixerÕs digital trim control or at the wireless receiver, while maintaining the best audio performance in the industry. If the source is too soft or too loud, just use a downstream mixerÕs digital trim gain control to make adjustments. No more bothering the talent to make gain changes.Ê

Powering OptionsÊ

ThereÕs no need to stock special batteries for the A20-TX transmitter. It can work with any type of AA batteries, no matter the chemistry.

Ê

e-Paper DisplayÊ

You can easily view settings and menus with the A20-TX transmitterÕs e-Paper Display, even in sunlight or when powered down and its batteries removed. Need to change a setting in the dark? Open the battery door and the screenÕs backlight turns on for easy visibility.Ê

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Sound Devices A20-TX Main Product Features

  • Worldwide VHF and UHF tuning range from 169 MHz-1525 MHz.Ê
  • Up to 12 hours battery runtime.Ê
  • Eco-friendly operation from rechargeable Lithium batteries or from standard AA batteries.Ê
  • Built-in battery charger via USB-C.Ê
  • Full remote control of the A20-TX via A20-Remote companion app and from A20-Nexus and A20-Nexus Go via long-range NexLink.Ê
  • State-of-the-art 100% digital long-range modulation delivers the longest transmission distance of any system on the market. Ê
  • RF Power output from 2 mW to 40 mW.Ê
  • Lemo input supports 2-wire or 3-wire mono lav, balanced mic, switchable 12, 48V phantom, balanced line-level, AES3, AES42 (compatible with Schoeps SuperCMIT), and guitar (w/ optional Smart Guitar Cable). Ê
  • GainForward Architecture Ð no gain control to worry about on the A20-TX.Ê
  • Full 10 Hz - 20 kHz audio bandwidth.Ê
  • Sound Devices 8-Series, fully balanced mic preamp built in (140 dB dynamic range).Ê
  • Ultra-quiet lavalier mic preamp (134 dB dynamic range).Ê
  • Built-in 32-bit float, 48 kHz recorder with removable micro-SD card. Ê
  • Ultra-stable timecode built in, auto jammed via wireless NexLink.Ê
  • Sunlight-readable e-Paper screen for control and display. Display persists when powered off.Ê
  • USB-C for pairing with the A20-Nexus, file offload, charging, and timecode jamming. Ê
  • A20-TX Switch: Optional user-programmable bayonet switch, magnetically sensed and physically removable.Ê

Ê

Sound Devices A20-TX

A20-TX Specifications

Specifications are subject to change without prior notice. For the latest information available on all Sound Devices products, visit: www.sounddevices.com.

Frequency Range

  • 169 to 1525 MHz
  • Transmitter tunable in 25 kHz steps
  • Available frequencies are dependent on region

RF Output Power

  • Off, Low - 2 mW, Normal - 10 mW, High - 20 mW, Extra High -40 mW

Modulation Mode

  • Proprietary, 100% digital RF modulation
  • Standard or Long Range, selectable

Antennas

  • UHF RF: SMA connector, removable antenna
  • 2.4 GHz built-in, bottom of unit

Audio Frequency Response

  • 10 Hz - 20 kHz, +/- 1 dB re 1 kHz

Audio Input

  • Lavalier Microphone
    • 2-wire or 3-wire type lavalier mics supported
    • Auto-selected when lavalier mic connected to Lemo input
    • Dynamic range: 134 dB min, A-weighted
    • Input clip level: 5V p-p (limited by lavalier microphone)
    • Lemo pin 1 = ground; Lemo pin 2 = 5V bias power; Lemo pin 3 = audio/bias (8k to 5V internal)
    • Auto unit power on/off with connection/removal of lavalier microphone (menu selectable)
  • Balanced Mic
    • True, fully balanced, Sound Devices 8-Series mic preamp
    • Dynamic range: 140 dB min, A-weighted
    • Menu selectable with connection of XL-BALXLR-4 cable to Lemo input
    • Phantom power: 12V or 48V, full 10mA available per IEC 61938
    • XLR pin 1 = ground; XLR pin 2 = +; XLR pin 3 = -
  • Line Input
    • True, fully balanced line-level input (no external resistors required)
    • Input clip level: +26 dBu
    • Menu selectable with connection of XL-BALXLR-4 cable to Lemo input
    • XLR pin 1 = ground; XLR pin 2 = +; XLR pin 3 = -
  • AES42
    • AES digital input with common mode power for Digital mics such as Schoeps SuperCMIT
    • 250mA current available
    • Selectable audio channel 1 or 2 via menu
    • Menu selectable with connection of XL-BALXLR-4 cable to Lemo input
    • XLR pin 1 = ground; XLR pin 2 = +; XLR pin 3 = -
  • AES3
    • AES digital input without common mode power
    • Selectable audio channel 1 or 2 via menu
    • Menu selectable with connection of XL-BALXLR-4 cable to Lemo input
    • XLR pin 1 = ground; XLR pin 2 = +; XLR pin 3 = -
  • Guitar
    • Auto-selected when connected with A20-TX Smart Guitar Cable
    • Ó tip = + Ó sleeve = ground
    • 18V p-p max input level
    • Input impedance: 100k, 1M, 10M (menu selectable)
    • Cable capacitance: 0 pF - 3000 pF in 50 pF steps (menu selectable)
    • Balanced connection from Ó plug to Lemo for low-noise susceptibility

Menu and Controls

  • e-Paper screen highly visible in direct sunlight
  • e-Paper screen keeps display even with no batteries
  • Power/Pair button and three navigation buttons protected inside battery compartment
  • Optional user-programmable bayonet switch for top of transmitter (A20-TX Switch)

Remote Control

  • A20-Remote Android, iOS, and iPad app via Bluetooth 5.2 LE
  • A20-Nexus, A20-Nexus Go receivers via super-long-range NexLink

Recording Media

  • Micro SD card

Recording File Format

  • 32 Bit Float, 48 kHz, Monophonic
  • Broadcast WAV (<4 GB), RF64 WAV (>4 GB)

Simultaneous Record and Transmit mode when using lavalier mic input is not available on A20-TX units sold or operated in the United States of America.

Timecode

  • Input via XL-TC-USBC-LEMO, XL-TC-USBC-BNC, USB-A to USB-C (from 8-Series) or wirelessly over NexLink (from A20-Nexus/A20-Nexus Go)
  • LTC: 0.3 V - 3 V p-p (Ð17 dBu to +3 dBu), 20k ohm impedance
  • LTC Output via XL-TC-USBC-LEMO: 3 V p-p, 400 ohm impedance

Timecode Clock

  • 0.2 ppm accuracy
  • Holds accurate clock for four hours while powered down with batteries inserted, holds for one hour without batteries via internal supercapacitor
  • Auto Jams timecode via USB-C connector or wirelessly via NexLink.

Timecode Frame Rates

  • 23.98, 24, 25, 29.97 DF, 29.97 ND, 30 DF, 30 ND

Frame rates are auto-detected from incoming source

USB-C

  • Mass Storage (USB-C): USB 2.0 high speed for file transfer
  • Charges Li-ion and LiFePO4 batteries inserted in A20-TX
  • Pairing to Sound Devices A20-Nexus, A20-Nexus Go receivers
  • Timecode I/O

Powering

  • Ò1.5VÓ Alkaline, Lithium primary, NiMH AA batteries; 3 for operation
  • ÊÒ3.7VÓ Rechargeable Lithium-Ion, Rechargeable LiFePO4 AA batteries; 1, 2, of 3 for operation
  • Energizer Ultimate AA primary cells recommended for longest runtime

Battery Charging

  • Built-in charging of Lithium-Ion and LiFePO4 batteries via USB-C

Battery Runtime

  • Up to 12 hours (depending on battery chemistry, number of batteries, RF power, input type, mode)
  • Unit can be completely powered off remotely via app or via NexLink to extend battery runtimeÊ

Environmental

  • Operating: -10¡ C to 38¡ C
  • Storage: -40¡ C to 85¡ C
  • 0 to 90% relative humidity (non-condensing)

Dimensions (H x W x D)

  • 3.3 x 2.5 x 0.71 inÊ
  • 8.5 xÊ 6.4 x 1.81 cm

Weight

  • 0.2lbs (without batteries)
  • 98g (without batteries)Ê

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Sound Devices Astral Logo

The A20-TX is part of the growing Astral Family Range

Sound Devices Astral Family

Product specifications

Article number
SOUA20A20-9016
SKU
[9608]

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