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Owner’s Manual
Owner’s Manual
DB25 Connectors
The RECORDING OUTS on the back of the Onyx 1620
provide balanced direct outputs for channels 1-16 on
two female DB25 connectors. These connectors are
pin-for-pin compatible with the analog (not TDIF) DB25
connectors found on TASCAM DTRS recorders, which has
become an industry standard for many professional audio
manufacturers. They are also the same pinout as the ana-
log cards for the Mackie D8B and hard disk recorders.
Pin 1 + Ch 8 Ch16
Pin 2 shield Ch 8 Ch16
Pin 3 – Ch 7 Ch15
Pin 4 + Ch 6 Ch14
Pin 5 shield Ch 6 Ch14
Pin 6 – Ch 5 Ch 13
Pin 7 + Ch 4 Ch 12
Pin 8 shield Ch 4 Ch 12
Pin 9 – Ch 3 Ch 11
Pin 10 + Ch 2 Ch 10
Pin 11 shield Ch 2 Ch 10
Pin 12 – Ch 1 Ch 9
Pin 13 N/C
Signal
Description
REC OUTS
1-8
REC OUTS
9-16
REC OUTS
1-8
REC OUTS
9-16
Pin 14 – Ch 8 Ch16
Pin 15 + Ch 7 Ch15
Pin 16 shield Ch 7 Ch15
Pin 17 – Ch 6 Ch14
Pin 18 + Ch 5 Ch 13
Pin 19 shield Ch 5 Ch 13
Pin 20 – Ch 4 Ch 12
Pin 21 + Ch 3 Ch 11
Pin 22 shield Ch 3 Ch 11
Pin 23 – Ch 2 Ch 10
Pin 24 + Ch 1 Ch 9
Pin 25 shield Ch 1 Ch 9
Signal
Description
12345678910111213
141516171819202122232425
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
HOT
COLD
GROUND
CH 1
CH 9
N/C
CH 2
CH 10
CH 3
CH 11
CH 4
CH 12
CH 5
CH 13
CH 6
CH 14
CH 7
CH 15
CH 8
CH 16
Several companies make DB25-to-DB25 cables specifi -
cally for audio, with proper shielding to reduce crosstalk
and noise.
DB25 cables that break out to XLR, 1/4" TRS, or TT
connectors for connecting to other mixers or audio gear
are also readily available. See your Mackie dealer for
details.