Mackie 1620 Front Panel Connectors, Rear Panel, 40. CONTROL RM Outputs, 41. ALT 3-4OUT, 42. MAIN OUT, 44. LAMP, 43. TAPE IN/OUT, WARNING

ONYX 1620

Front Panel Connectors

Besides the channel strip MIC and LINE input con- nectors, there are some other connectors located on the front panel for easy access.

40. CONTROL RM Outputs

These 1/4" TRS jacks provide a balanced line-level signal that can be used to provide another main mix output (with MAIN MIX selected in the CONTROL ROOM/ PHONES SOURCE), or to monitor the ALT 3-4 outputs, TAPE inputs, or a 2-track feed from your computer (with the optional FireWire card installed).

Connect these outputs to the inputs of an ampliﬁer, powered speaker, or recording device.

41. ALT 3-4 OUT

These 1/4" TRS jacks provide a balanced line-level signal that can provide an alternate stereo mix for recording or subgrouping.

Connect these outputs to the inputs of an ampliﬁer, powered speaker, or recording device.

Note: The ALT 3-4 OUT doesn’t have a master level control. All the channels assigned to the ALT 3-4 bus are summed together (post-fader and pan) and sent directly to the ALT 3-4 OUT.

42. MAIN OUT

These 1/4" TRS output connectors provide balanced or unbalanced line-level signals. This is the same signal that appears at the XLR MAIN OUTPUTS (48) on the rear panel. Connect these to the next device in the signal chain like an external processor (graphic equalizer or compressor/limiter), or directly to the inputs of the main ampliﬁer.

The TAPE IN jacks accept an unbalanced signal from a tape recorder or other signal source (could be a CD player, if you want) using standard hi-ﬁ hookup cables. The signal is routed to the CONTROL ROOM/PHONES SOURCE matrix (20). Push in the TAPE button to route the tape input to the CONTROL ROOM and PHONES outputs (40/24). This allows you to playback recordings of your mixes.

Push in the ASSIGN TO MAIN MIX button (21) to route the tape input to the MAIN OUTs (48/42). This allows you to playback music between sets over the main PA speakers.

WARNING! Pushing TAPE in the

SOURCE matrix and ASSIGN TO

MAIN MIX can create a feedback

path between TAPE IN and TAPE OUT. Make sure your tape deck is not

in record, record pause, or input monitor mode when you engage these switches, or make sure the CONTROL ROOM level control is turned all the way down.

The TAPE OUT jacks produce an unbalanced signal that is tapped off the MAIN OUTs. Normally, you would connect these to the inputs of a recorder, but you can use them as an extra set of main outputs for feeding another zone, for example.

44. LAMP

This female BNC connector provides 12 volts DC on its center pin. Connect any quality gooseneck lamp here.

Rear Panel

There are just a few more connectors and switches to talk about and you’ll have completed your tour of the Onyx 1620. Hang in there!

43. TAPE IN/OUT

45. POWER Switch

These RCA jacks are used to connect to the inputs and outputs of a tape recorder or other recording device.

This one is self-explanatory. When the POWER switch is turned ON, power is supplied to the Onyx 1620 and the POWER LED on the front panel lights up.

BAL/UNBAL	BAL/UNBAL	BAL/UNBAL
		L	L

						IN	OUT
	LEFT	RIGHT	LEFT/3 RIGHT/4	LEFT	RIGHT	R	R	12V
	LEFT	RIGHT	LEFT/3 RIGHT/4	LEFT	RIGHT			0.5A
								0.5A
	CONTROL RM OUT		ALT 3-4 OUT	MAIN OUT			TAPE	LAMP
18	ONYX 1620