Input impedance

Inputs 1 - 32: 510 ohms or 75 ohms, switchable

 

Inputs 33 - 128: 510 ohms

Output impedance

75 ohms

Horizontal frequency

15 kHz to 150 kHz

Vertical frequency

30 Hz to 150 Hz

Polarity

Positive or negative (follows input)

Audio— audio BME

Routing

16 x 16 up to 128 x 128 mono or stereo matrix (in increments of 16),

 

balanced/unbalanced

Gain (selectable per output)

Unbalanced output: 0dB (as shipped), or -6 dB (jumper-selectable)

 

Balanced output: +6 dB (as shipped), or 0 dB (jumper-selectable)

Frequency response

20 Hz to 20 kHz, ±0.05 dB

THD + Noise

0.03% @ 20 Hz to 20 kHz, +15 dBu input, +21 dBu output

S/N

>85 dB, balanced, at rated maximum output

Crosstalk

<-70 dB @ 20 Hz to 20 kHz fully loaded

Stereo channel separation

>70 dB @ 20 Hz to 20 kHz

CMRR

>+75 dB, 20 Hz to 20 kHz

Audio input— audio BME

Number/signal type

16 to 128 (in increments of 16) mono or stereo, balanced/unbalanced

Connectors

(16 to 128) 3.5 mm captive screw connectors, 5 pole

Impedance

>10k ohms unbalanced/balanced, DC coupled

Nominal level

+4 dBu (1.23V), 0 dBu (0.775 V), -10 dBV (316 mV), -20 dBV (100 mV)

Maximum level

+21.5 dBu, (balanced or unbalanced) at 1%THD+N

Input gain adjustment

-24 dB to +9 dB, adjustable per input via RS-232 control or front panel

N0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Audio output— audio BME

Number/signal type

16 up to 128 (in increments of 16) mono or stereo, balanced/unbalanced

Connectors

(16 to 128) 3.5 mm captive screw connectors, 5 pole (quantity varies with

 

configuration)

Impedance

50 ohms unbalanced, 100 ohms balanced

Gain error

±0.1 dB channel to channel

Maximum level (Hi-Z)

>+26.0 dBu, balanced at 1%THD+N

Maximum level (600 ohm)

>+24.0 dBm, balanced at 1%THD+N

Control/remote — switcher

Serial control port

RS-232 or RS-422, female 9-pin D connector

Baud rate and protocol

9600 baud, 8 data bits, 1 stop bit, no parity

Serial control pin configurations.

2 = TX, 3 = RX, 5 = GND

Ethernet control port

1 female RJ-45 connector

Ethernet data rate

10/100Base-T, half/full duplex with autodetect

Ethernet protocol

ARP, ICMP (ping), IP, TCP, HTTP, SMTP, Telnet

System intercommunications

2 RJ-45 connectors

Remote key pad control

(2) 5 mm, 5-pole captive screw connectors

Program control

Extron control/configuration program for Windows®

 

Extron Simple Instruction Set (SIS)

 

Microsoft® Internet Explorer®, Netscape® Navigator®, Telnet

Matrix 12800 Switchers • Reference Information

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Extron electronic 12800 manual Audio- audio BME

12800 specifications

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