Lexicon Converter manual Specifications, Cmrr

Specifications

Digital Audio

Inputs and Outputs

AES, S/PDIF: XLR, 3-wire balanced RCA, 2-wire unbalanced coaxial line Optical, optical fiber

Word Clock: BNC, 75Ω , unbalanced

Front Panel Controls Converter Gain (4) 1dB SCALE/ALT

PK HOLD ATTEN/MUTE

4CHAN/~

EMPH DISPLAY/RMT LINK/ tone burst

ON/VID Compressor Gain Compressor Threshold Compressor Release DITHER (3 types, and OFF)

FORMAT SAMPLE RATE (2)

EXT SYNC (2 types, and none)

POWER

Rear Panel Controls

BAL/UNBAL switch

Front Panel Indicators

UNBAL

THRESH Input level Dither selection Format selection Sample Rate selection External source selection,

presence and lock Button lights indicate:

1dB SCALE on PK HOLD on ATTEN on

Frequency Response (relative to 1kHz)

+0.1, -0.15dB, 10Hz to -20 kHz

MAX Input Level

Balanced:

Attenuator Off: +0 to +22 dBu

Attenuator On: +8 to +28 dBu Unbalanced:

Attenuator Off: -6 to +16 dBu (-8 to +14 dBV)

Dynamic Range

4-channel mode: 100dB typ, 98dB min @ 1kHz

2-channel mode: 112dB typ, 110dB min @ 1kHz

THD+N (at -2dBfs) 1kHz: <-94dB (0.002%)

20 Hz-20 kHz: <-90dB (0.0032%)

CMRR

Attenuator Off:

>60dB below 1kHz, >40dB above 1kHz

Attenuator On: >40dB

Crosstalk

-80dB typ, 0-20kHz

Sample Rates

44.1 kHz, 48 kHz

Sync Sources

Internal

External AES (Digital Input*) External Word Clock

(TTL level square wave)

Video (with optional daughter- board)

Signal Delay 112 samples

(2.54 ms at 44.1kHz

2.33 ms at 48kHz)

RFI Shielding

Complies with FCC Rules Part 15 Class A requirements for computer equipment

Power Requirements

100/120/220/240 VAC (+5%, -10%)

50-60 Hz 30W

Dimensions

19.0"W x 1.75"H x 13.9"D (483 x 45 x 353mm)

Conforms to 19" rack mount standard, 1U high

Weight

11 lbs 2 oz (5 kg)

Shipping materials meet or exceed Proj- ect 1A of the National Safe Transit Asso- ciation (NSTA) packaged-product specifications: vibration test, drop test, static compression test.

Environment

Operating Temperature: 32° to 95° F (0° to 35° C)

Storage Temperature: -22°to 167° F (-30°to 75° C)

Humidity: 95% maximum without condensation

Safety Approvals

UL, TUV

4-CHAN on EMPH on DISPLAY on LINK on COMP/LIMITER on

Lock Range

+5%*Units with Serial #'s <1215 do not have this option installed. Upgrades are avail- able from Lexicon.

Specifications subject to change without notice.

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