MACKIE 1640 - Manual (Page 28)

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ONYX 1640
ONYX 1640
DB25 Connectors
The RECORDING OUTS on the back of the Onyx 1640
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
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
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.