Mackie U.420D manual ブロックダイアグラム, Firewire

24

U.420d 4-Channel Mic/Line Mixer

ブロックダイアグラム

U.420d 4-Channel Mic/Line Mixer

MAIN

AUX

CUE

48V

Phantom Power

L R L R L R

Channel

Cue

15V

Sum

L

OFF

CUE ENABLE

Level Set

ON

Channel 1

R

XLR/TRS

Combo Input

3-Band EQ

Fader

LO

MID

HI

Hi-Z

Gain

XLR: +3 to +50 dB

TRS: -22 to +25

Aux

48V

Phantom Power

Firewire In

from Computer

Level Set

Cue

15V

CUE ENABLE

OFF

Channel 2

DAC

ON

XLR/TRS

3-Band EQ

L

Combo Input

Fader

LO

MID

HI

Firewire

In Level

Gain

R

XLR: +3 to +50 dB

TRS: -22 to +25

Aux

Level Set

Cue

15V

3-Band

OFF

CUE ENABLE

Channel 3 (channel 4 identical)

Killer EQ

ON

Cue Sum

-inf to +10dB

L

LO

MID

HI

L

Gain

300

1k

4k

Level

R

-14 to +14 dB

LO

MID

HI

R

300

1k

4k

Phono L

Aux

RIAA

Aux Sum

L

preamp

Cross-fader

Phono R

Curve

Cross-fader

Fast

Slow

R

Channel 4

NOTE: Switches are shown in the default (out) position.

07/21/07 SSE

L R L R L R

MAIN

AUX

CUE

	Main Out
	Level
Main Mix
Sum
L	Main Out L
R	Main Out
	Level
	Main Out R
	Firewire Out
	to Computer
Firewire	ADC
Sum
L

R

Ch.1-4 only to FW output

Firewire input & Ch.1-4 to FW output

Phones

Phones level

CUE ENABLE

Either Cue bus or Mains bus

is routed to headphones

Aux Out L

Aux Out R