Sound Devices A20-TX SpectraBand + VHF Digital Wireless Transmitter

Name: Sound Devices A20-TX SpectraBand + VHF Digital Wireless Transmitter
Brand: Sound Devices
SKU: A20-TX
Price: 1238250 HUF
Availability: InStock

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A20-TX Digital Wireless Transmitter SpectraBand + VHF - International Version

Sound Devices’ transmitter incorporates state-of-the-art features such as full remote control via the A20-Remote app, GainForward Architecture, internal 32-bit float recording, a worldwide tuning range of VHF, 470 MHz – 1525 MHz, and more. The A20-TX is fully compatible with Sound Devices’ existing A10 Digital Wireless System.

Overview

Worldwide VHF and UHF tuning range from 169 MHz-1525 MHz.
Up to 12 hours battery runtime.
Eco-friendly operation from rechargeable Lithium batteries or from standard AA batteries.
Built-in battery charger via USB-C.
Full remote control of the A20-TX via A20-Remote companion app and from A20-Nexus and A20-Nexus Go via long-range NexLink.
State-of-the-art 100% digital long-range modulation delivers the longest transmission distance of any system on the market. 
RF Power output from 2 mW to 40 mW.
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).

GainForward Architecture – no gain control to worry about on the A20-TX.
Full 10 Hz – 20 kHz audio bandwidth.
8-Series, fully balanced mic preamp built in (140 dB dynamic range).
Ultra-quiet lavalier mic preamp (130+ dB dynamic range).
Built-in 32-bit float, 48 kHz recorder with removable micro-SD card. 
Ultra-stable timecode built in, auto jammed via wireless NexLink.
Sunlight-readable e-Paper screen for control and display. Display persists when powered off.
USB-C for pairing with the A20-Nexus, file offload, charging, and timecode jamming. 
A20-TX Switch: Optional user-programmable bayonet switch, magnetically sensed and physically removable.

Description

A Kaleidoscope of Connectivity
Finding a tool that can serve multiple purposes is the goal of every audio professional. More flexible gear means less — less for you to carry in a bag or fit in a case, and less gear to rent for a gig. That’s the philosophy behind the A20-TX digital wireless transmitter. We 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 transmitter’s multipurpose input saves you from having to pack or rent more transmitters.

Advanced Features
The A20-TX transmitter boasts industry-leading features like Sound Devices’ 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 – even through Wi-Fi, Bluetooth, and other 2.4 GHz interference. The A20-TX transmitter’s long-range modulation achieves excellent operational range. The A20-TX also includes Sound Devices’ proprietary SpectraBand technology, which enables the A20-TX transmitter to tune over a super wide range of 169-1525 MHz.

Tech Specs

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: 130+ 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, 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
- ¼” tip = + ¼” 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 ¼” 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)

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 (–17 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 A20-Nexus, A20-Nexus Go
Timecode I/O

Powering

“1.5V” Alkaline, Lithium primary, NiMH AA batteries; 3 for operation
“3.7V” 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 runtime

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 in
8.5 x 6.4 x 1.81 cm

Weight

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

Downloads

1 238 250 Ft (975 000 Ft excl VAT)

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brand: Sound Devices
sku: A20-TX

Specifications

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