Lectrosonics LT/X Manual

Lectrosonics Ikke kategoriseret LT/X

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Side 1/2

TECHNICAL DATA

Rio Rancho, NM, USA

www.lectrosonics.com

The LT transmitter oers a full set of professional

features in a compact, rugged package. The unit is

compatible with all Digital Hybrid Wireless

® receivers

and even some from other manufacturers, making it

comfortable in a wide variety of applications from video

production to theater, stage and house of worship.

The LT can be congured to operate as a “one touch”

device with a single power on/o switch on the top pan-

el, or with full access to all operational parameters using

the side panel membrane switches and LCD interface.

The top panel switch can also be congured to provide

a mute or function.talkback

Frequencies are selectable in 25 kHz or 100 kHz steps.

An IR port on the membrane panel enables automatic

setup when coupled with an IR enabled receiver. A USB

port on the side panel allows rmware updates to be

made easily.

The servo bias input accepts mic or line level signals

with a wide range of gain adjustment in 1 dB steps. A

menu selectable instrument level input is available on

the LCD. Accurate LED indications on the top panel and

a bar graph indicator on the LCD allow precise gain ad-

justments to be made for the maximum signal to noise

ratio and minimum distortion.

The limiter in the preamp can cleanly handle signal

peaks over 30 dB above full modulation, allowing the in-

put gain to be set high enough to achieve the maximum

signal to noise ratio with no risk of overload distortion.

The unit is powered by two AA batteries or an optional

battery eliminator that replaces the hinged battery door.

Wired or spring loaded belt clips are available.

The housing is machined from a solid aluminum billet,

nished with an ultra hard, black electroless nickel nish

called .ebENi

• Digital Hybrid Wireless® for compandor-free audio

• Selectable 50 or 100mW output power (varies per model - see

specifications)

• Compatibility modes for use with analog receivers

• 25 or 100 kHz tuning steps (varies per model)

• Integrated multi-function switch for mute or talkback modes

• Wide range input gain control in 1 dB steps

• IR port for setup with IR enabled receivers

• USB port for firmware updates

• Menu selectable mic or instrument input

• Optional battery eliminator

Digital Hybrid Wireless® Belt-Pack Transmitter

LT, LT/E01, LT/E06, LT/X

Digital Hybrid Wireless® is a patented design that combines

24-bit digital audio with an analog FM radio link to provide

outstanding audio quality and the extended operating range

of the nest analog wireless systems.

The design overcomes channel noise in a dramatically dif-

ferent way, digitally encoding the audio in the transmitter

and decoding it in the receiver, yet still sending the encoded

information via an analog FM wireless link.

This proprietary algorithm is not a digital implementation of

an analog compandor. Instead, it is a technique which can

be accomplished only in the digital domain, even though the

audio inputs and outputs are analog signals.

*US Patent 7,225,135

WARNING: Moisture, including talent’s sweat,

will damage the transmitter. Wrap the LT in

a plastic baggie or other protection to avoid

damage, or see the LTCVR.

31 March 2023

581 Laser Road NE • Rio Ranch NM 87124 USA • www.lectrosonics.como,

(505) 892-4501 • (800) 821-1121 • fax (505) 892-6243 • sales@lectrosonics.co

Specications

Operating Frequencies:

US: Band A1: 470.100 - 537.575

Band B1: 537.600 - 607.950

Band 606: 606.000 - 631.500

Band C1: 614.400 - 691.175

LT/E01: Band A1: 470.100 - 537.575

Band B1: 537.600 - 614.375

Band 606: 606.000 - 631.500

Band C1: 614.400 - 691.175

LT/E06: Band B1: 537.600 - 614.375

Band C1: 614.400 - 691.175

LT/X: Band A1: 470.100 - 537.575

Band B1: 537.600 - 614.375

Band C1: 614.400 - 691.175

NOTE: It’s the user’s responsibility to select the

approved frequencies for the region where the

transmitter is operating

Frequency Selection Steps: US: Selectable; 100 kHz or 25 kHz

E01: Selectable; 100 kHz or 25 kHz

E06: Selectable; 100 kHz or 25 kHz

X: Selectable; 100 kHz or 25 kHz

RF Power output: US: Selectable: 50 or 100mW

E01: 50mW

E06: < 100 mW EIRP

X: 50 or 100 mW

Compatibility Modes: US: Nu Hybrid, IFB, Mode 3

E01: Hybrid, IFB

E06: Hybrid, IFB

X: Hybrid, Mode 3, 200 Mode, 100 Mode,

Mode 7, Mode 6 and IFB mode.

Pilot tone: 25 to 32 kHz; 3 kHz deviation (Digital Hybrid)

25 to 32 kHz; 3.5 kHz deviation (Nu Hybrid)

Frequency Stability: ± 0.002%

Spurious radiation: US: Compliant with ETSI EN 300 422-1

v1.4.2

E01/E06/X: 60 dB below carrier

Equivalent input noise: –120 dBV (A-weighted)

Input level:

Mic: • Nominal 2 mV to 300 mV, before limiting

Greater than 1V maximum, with limiting

Instrument: • 1M Ohm high level

Input impedance: Line: 2k Ohm; Mic: 300 Ohm

Input limiter: DSP controlled, dual envelope “soft” limiter

with greater than 30 dB range

Gain control range: 44 dB; digital control

Modulation indicators: • Dual bicolor LEDs indicate modulation of

-20, -10, 0 and +10 dB referenced to full

modulation

• LCD bar graph

Controls: • Top panel slide switch; programmable as

power mute talkback no, , or (o)

function

• Side panel membrane switches with LCD

interface for power on/o and all setup

and conguration controls

Audio Input Jack: Switchcraft 5-pin locking (TA5F)

Antenna: Galvanized steel, exible wire

Battery: Two AA; alkaline, lithium, NiMH rechargeable

Battery Life: • Duracell Quantum: 4.75 hours

• Eneloop 2400 mAH NiMH: 5.5 hours

Weight: 5.9 ounces (169 grams), with lithium

AA batteries

Dimensions: 2.85 x 2.45 x .75 in. (72 x 62 x 19 mm)

Emission Designator: 110KF3E (LT)

180KF3E (E01/E06/X)

Audio Performance (Overall System - Digital Hybrid mode)

Frequency Response:

Line/Instrument: 35 Hz to 20 kHz (+/-1dB)

Mic input: 35 Hz to 20 kHz (+/-1dB)

Mic input LF roll-o: Selectable knee at 35, 50, 70, 100, 120, 150 Hz

THD: 0.2% (typical)

30 100 1kHz 10k 20k

0dB

-3

-6

-9

-12

Line in

Mic in 150 Hz

Roll-off

Mic in 35 Hz

Roll-off

The roll-o slope steepens at lower frequencies.

Note: The dual envelope

“soft” limiter provides

exceptionally good

handling of transients

using variable attack and

release time constants.

Once activated, the limiter

compresses 30+ dB of transmitter input range into 4.5 dB of receiver output range,

thus reducing the measured gure for SNR with no limiting by 4.5 dB

SmartNR No Limiting w/ Limiting

OFF 103.5 108.0

NORMAL 107.0 111.5

Specications subject to change without notice.

Produkt Specifikationer

Mærke:	Lectrosonics
Kategori:	Ikke kategoriseret
Model:	LT/X

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