TC Electronic
LM2
Features TC Loudness Applications Gallery Support Tech Specs

Technical Specifications

General

Finish:

  • Anodized aluminum front, Plated and painted steel chassis

Display:
  • 56 x 128 dot graphic LCD

Dimensions:
  • 19" x 1.75" x 8.2" (483 x 44 x 208 mm)

Weight:
  • 5.2 lb. (2.35 kg)

Mains Voltage:
  • 100 to 240 VAC, 50 to 60 Hz (auto-select)

Power Consumption:
  • <20 W

Backup Battery Life:
  • >10 years

Warranty

Parts and labor:

  • 5 years

EMC

Complies with:

  • EN 55103-1 and EN 55103-2
  • FCC part 15, Class B
  • CISPR 22, Class B

Environment

Operating Temperature:

  • 32° F to 122° F (0° C to 50° C)

Storage Temperature:
  • -22° F to 167° F (-30° C to 70° C)

Humidity:
  • Max. 90 % non-condensing

PCMCIA Interface

Connector:

  • PC Card, 68 pin type 1 cards

Standards:
  • PCMCIA 2.0, JEIDA 4.0

Card Format:
  • Supports up to 2 MB SRAM

Safety

Certified to:

  • IEC/EN/UL/CSA 60065, CSA FILE# 108093

Control Interface

COM:

  • In/Out/Thru: 5 Pin DIN

USB:
  • USB 1.1, cable included

In the box

LM2 includes:

  • LM2 Precision Loudness and True Peak Meter
  • Power Cable
  • USB cable for connection to MAC or PC
  • CD with Icon software for Radar display, Logging, Remote control, Preset management etc.
  • Documentation

Digital Inputs and Outputs

Connectors:

  • XLR (AES/EBU)
  • RCA Phono (S/PDIF)
  • Optical (Tos-link, ADAT)

Formats:
  • AES/EBU (24 bit)
  • S/PDIF (24 bit)
  • EIAJ CP-340
  • IEC 958
  • EIAJ Optical (Tos-link)
  • ADAT Lite pipe (24 bit)

Output Dither:
  • HPF/TPDF dither 16-24 bit, independent dithered output

Word Clock Input:
  • RCA Phono, 75 ohm, 0.6 to 10 Vpp

Sample Rates:
  • 44.1 kHz, 48 kHz

Processing Delay:
  • 0.2 ms @ 48 kHz

Frequency Response DIO:
  • DC to 23.9 kHz ± 0.01 dB @ 48 kHz

Processing Resolution:
  • 48 bit fixed point

By-pass on AES (optional):
  • Through relay

Analog Inputs

Connectors:

  • XLR balanced (pin 2 hot)

Impedance:
  • 20 Kohm

Max. Input Level:
  • +22 dBu (balanced)

Min. Input Level (for 0 dBFS):
  • -10 dBu

Sensitivity:
  • @ 12 dB headroom: -22 dBu to +10 dBu

A to D Conversion:
  • 24 bit (1 bit, 128 times oversampling)

D to A Conversion:
  • 24 bit (1 bit, 128 times oversampling)

A to D Delay:
  • 0.8 ms @ 48 kHz

Dynamic Range:
  • >103 dB (unweighted, BW = 22 kHz), >106 dB(A)

THD:
  • -95 dB (0,0018 %) @ 1 kHz, -6 dBFS (FS @ +16 dBu)

Frequency Response:
  • 10 Hz to 20 kHz : +0/-0.2 dB @ 48 kHz

Crosstalk:
  • <-80 dB, 10 Hz to 20 kHz typical –100 dB @ 1 kHz

Analog Outputs

Connectors:

  • XLR balanced (pin 2 hot)

Impedance:
  • 100 ohm (active transformer)

Max. Output Level:
  • +22 dBu (balanced)

Full Scale Output Range:
  • -10 dBu to +22 dBu

D to A Conversion:
  • 24 bit (6.144 MHz delta sigma @ 48/96 kHz)

D to A Delay:
  • 0.57 ms @ 48 kHz

Dynamic Range:
  • >+100 dB (unweighted, BW = 22KHz), >+104 dB(A)

THD:
  • -82 dB (0.008 %) @ 1 kHz, -6 dBFS (FS @ +16 dBu)

Frequency Response:
  • 10 Hz to 20 kHz : +0/-0.5 dB @ 48 kHz

Crosstalk:
  • <-60 dB, 10 Hz to 20 kHz typical –90 dB @ 1 kHz

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