LINE IN
48V
MIC IN
A to D
A to D
A to D
MIC/LINE 1 (through 12)
MIC/LINE
TRIM
ANALOG STEREO
INSERT/RETURN
TRIM
LINE IN
LINE 13 (through 24)
FROM TAPE 25 (through 32)
Analog 8 channel TAPE CARD
(optional)
A to D
FROM TAPE 33 (through 40)
Analog 8 channel TAPE CARD
(optional)
A to D
FROM TAPE 41 (through 48)
Analog 8 channel TAPE CARD
(optional)
FX card A. inputs 49–52
Inputs 53–64
(optional — B, C, D cards)
ALT I/O CARD 65-72 (optional)
TDIF/ADAT 8 channel format
(optional)
AES/EBU & S/PDIF STEREO INPUT
TO CONTROL ROOM
SELECT
DELAY
DIG. TRIM
PHASE
HI PASS
KEY INPUT
Default: Itself (the channel)
OR:
CHANNEL TAP
BUS TAP
AUX TAP
2-TRACK DIGITAL INPUT
PRE-DSP
INSERT
(CHANNEL TAP
AND PLUG-INS)
COMP
EQ
GATE
TA
PE
1–
8
TA
PE
9
–1
6
TA
PE
17
–2
4
PF
L
SO
LO
SO
LO
L
SO
LO
R
M
AI
N
LE
FT
M
AI
N
RI
G
HT
BU
SE
S
1–
8
AU
X
SE
ND
1–
8
AU
X
SE
ND
9
AU
X
SE
ND
10
AU
X
SE
ND
11
AU
X
SE
ND
12
TA
PE
1–
8
TA
PE
9
–1
6
TA
PE
17
–2
4
PF
L
SO
LO
SO
LO
L
SO
LO
R
M
AI
N
LE
FT
M
AI
N
RI
G
HT
BU
SE
S
1–
8
AU
X
SE
ND
1–
8
AU
X
SE
ND
9
AU
X
SE
ND
10
AU
X
SE
ND
11
AU
X
SE
ND
12
FADER
MUTE
PRE/
POST
AUX 1–8
AUX 9/10
AUX
PAN
AUX
PAN
AUX
LEVEL
AUX
LEVEL
AUX
LEVEL
AUX
LEVEL
DIRECT ASSIGN
DIRECT ASSIGN
PAN
METER
AUX 11/12
A to D
POST-DSP
INSERT
(PLUG-INS
ONLY)
CHANNEL
TAP
“Mackie
Digital 8•Bus
Block Diagram
12 / 22 / 2000”
MAIN INSERT R (L)
BUS
TAP
AUX
TAP
( )
( )
(R)
/
MUTE
ASSIGN
D / A
D / A
FX CARDS
TO FX METER SELECT
AUX 1 – AUX 8
ALT I/0
TAPE 17–24
TAPE 1–8
BUS 1–8
MAIN
SPKR LEFT
(R)
NEARFIELD
SPKR LEFT
(R)
STUDIO OUT LEFT
(R)
MAIN OUT LEFT
(R)
MAIN OUT LEFT
(R)
S/PDIF
DIGITAL OUT LEFT
(R)
AES / EBU
DIGITAL OUT LEFT
(R)
AUX 11/12
AUX 9/10
PHNS 2 LEFT
PHNS 1 LEFT
TAPE 9–16
AUX SOLO 1 (of 8)
AUX 1 (of 8)
MASTER
LEVEL
D / A
2 TRK C
2 TRK B
2 TRK A
MAINS
DIG IN 2
DIG IN 1
CONTROL ROOM SELECT
A
B
C
LEVEL
MUTE
MUTE
LEVEL
DIM
LEVEL
DIM
METERS
SOLO
MONO
(R)
LEFT
MASTER
FADER
PHONES SELECT
TO SOLO BUS
TB SELECT
TB ON/OFF
SOLO TO
MAINS
SOLO
LEVEL
AUX SOLO 9 (10)
AUX 9/10 MASTER
AUX SOLO 11 (12)
AUX 11/12 MASTER
TB LEVEL
FROM
S/PDIF IN
FROM
AES/EBU IN
2 TRK IN
BUS SOLO
8•BUS LEVEL
LEVEL TO TAPE
SOLO/PFL
CTRL RM
9/10
11/12
CTRL RM
9/10
11/12
PH 2
PH 1
PH 1
PH 2
STUDIO
PH 1 LEVEL
PH 2 LEVEL
D8B OUTPUT SECTION
X2 LEFT AND (RIGHT)
D / A
D / A
D / A
D / A
D / A
D / A
D / A
D / A
LEVEL TO TAPE
LEVEL TO TAPE
