Lectrosonics LT/X Handleiding

Lectrosonics Niet gecategoriseerd LT/X

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LT
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
m
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
+6
+3
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.

Product specificaties

Merk: Lectrosonics
Categorie: Niet gecategoriseerd
Model: LT/X

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