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@crown

®

 *

 

System

®

 Product Reference

INPUT 1

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

1-1

VCA

1-2

RS232/RS422 or
Crown Local Net 

DB25

POWER

SUPPLY

MEMORY

BATTERY

BACKUP

CROWN BUS

AUX PORT

3-PIN

MINI XLR

ENABLE

DSPI

1 2 3 4 5 6 7 8

1 2 3 4 5 6

BAUD RATE

& PARITY

IQ ADDRESS

4-PIN

BUCHANAN

ACTIVE
BALANCE
OUTPUT
AMP

ACTIVE
BALANCE
OUTPUT
AMP

ACTIVE
BALANCE
OUTPUT
AMP

ACTIVE
BALANCE
OUTPUT
AMP

SUMMING

MIX BUS 1

SUMMING

MIX BUS 2

INPUT

SENSOR

TO

CPU

STACK INPUT 1

STACK INPUT 2

TO

CPU

OUTPUT
SENSOR

TO

CPU

OUTPUT
SENSOR

FROM

CPU

FROM

CPU

BUS 1

RELAY

BUS 1

RELAY

FROM

CPU

FROM

CPU

MAIN 1

OUTPUT

BALANCED

BUCHANAN

CONNECTOR

BUS 1

OUTPUT

BALANCED

BUCHANAN

CONNECTOR

MAIN 2

OUTPUT

BALANCED

BUCHANAN

CONNECTOR

BUS 2

OUTPUT

BALANCED

BUCHANAN

CONNECTOR

CPU

(MICRO-

PROCESSOR)

FROM

INPUT

SENSORS

FROM

OUTPUT

SENSORS

TO

VCAs

TO BUS

RELAYS

COMMUNICATION

STANDARD

INPUT 2

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

2-1

VCA

2-2

INPUT

SENSOR

TO

CPU

FROM

CPU

FROM

CPU

INPUT 3

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

3-1

VCA

3-2

INPUT

SENSOR

TO

CPU

FROM

CPU

FROM

CPU

INPUT 4

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

4-1

VCA

4-2

INPUT

SENSOR

TO

CPU

FROM

CPU

FROM

CPU

INPUT 5

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

5-1

VCA

5-2

INPUT

SENSOR

TO

CPU

FROM

CPU

FROM

CPU

INPUT 6

PRE-AMP

BALANCED

BUCHANAN

CONNECTOR

GAIN POT

(-12 to +21dB)

M/L/P SWITCH

P = +25dB/+44VDC
M = +25dB
L = 0 dB

VCA

6-1

VCA

6-2

INPUT

SENSOR

TO

CPU

FROM

CPU

FROM

CPU

SMX-6 Basic Block Diagram

 (Page 2 of 5)

Содержание SMX-6

Страница 1: ... wide mixer with more than six inputs by taking the outputs of one mixer and going into the stack inputs of a sec ond mixer This means that main inputs do not have to be used to expand the effective size of the overall mixer Audio Main Outputs There are twosumming buses Each summing bus provides the out put mix for the corre sponding output chan nel Op amps buffer the summing bus to the output con...

Страница 2: ...TPUT BALANCED BUCHANAN CONNECTOR CPU MICRO PROCESSOR FROM INPUT SENSORS FROM OUTPUT SENSORS TO VCAs TO BUS RELAYS COMMUNICATION STANDARD INPUT 2 PRE AMP BALANCED BUCHANAN CONNECTOR GAIN POT 12 to 21dB M L P SWITCH P 25dB 44VDC M 25dB L 0 dB VCA 2 1 VCA 2 2 INPUT SENSOR TO CPU FROM CPU FROM CPU INPUT 3 PRE AMP BALANCED BUCHANAN CONNECTOR GAIN POT 12 to 21dB M L P SWITCH P 25dB 44VDC M 25dB L 0 dB V...

Страница 3: ...memory backup on full charge COMPUTERIZED FEATURES Monitoring Input audio level monitoring has a range of 40 to 25 dB Input level is sensed between the preamp and VCAs for a total of 6 sensors one per input The output audio level is sensed at each output mix bus with a range of 40 to 25 dB DSPI The Data Signal Presence Indicator DSPI light on the front panel flashes to indicate data traffic addres...

Страница 4: ...where 1 highest and 6 lowest priority Each VCA is set indepen dently Input Compressor The SMX 6 mixer is equipped with both input compressor and an output com pressor features The input compressor differs from a conventional compressor due to its feed forward structure This feed forward technology prevents breathing and virtually eliminates pumping The parameters for the in put compressor are Comp...

Страница 5: ... may serve as the system interface The IQ INT II IQ PSI Drone SMX 6 AMB 5 and MPX 6 are all com ponents which may serve as a system interface for an SMX 6 The Crown Bus is a serial data loop carrier of IQ com mand protocol Crown has implemented it as a two wire twisted pair current loop to allow for low cost long distance con nections For very long loops over 1000 feet data repeaters IQ RPT or fib...

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