Loop outputs

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Contents

Overview

The term "loop output" refers to output connectors that are hard-wired to input connectors to allowing “looping” the input signal back out of a device, to send to other equipment.

Basics

In some instances it is necessary to send one output signal to more than one input. There are various methods to do this, which include passive and active approaches.

Passive approaches have the advantage that the same signal is fed to every input; but have the possible disadvantage of the signal being degraded by interaction with the input circuitry. One way to avoid this issue is to design the inputs in a manner that minimizes the interaction by employing very high impedance input circuitry.

Active approaches have the advantage of providing isolation between the inputs by providing a separate “buffered” output for each input. The primary disadvantage of this approach is that the signal must pass through additional circuitry, which may introduce signal degradation or minor differences between the signals fed to each input.

Lavry Equipment with loop outputs

The Lavry LK-1 Latency Killer has loop outputs to allow insertion of the LK-1 into existing DAW based recording systems without loss of quality to the recorded or monitored signals. Very high impedance buffer amplifiers are employed to generate the internal signals required for the headphone cue mix. There is no measurable change to the quality of the signal connected to the LK-1 Main inputs which are sent to the recording inputs via the TO ADC Loop Output connectors.

Connections

TO ADC

The To ADC Loop Outputs are in the form of both male XLR and TRS jacks. They are connected to the MAIN input XLR connectors via minimum length copper conductors inside the LK-1.

FROM DAC

The FROM DAC Loop Outputs are in the form of both male XLR and TRS jacks. They are connected to the MONITOR IN XLR connectors via minimum length copper conductors inside the LK-1.

EFFECTS 1 and EFFECTS 2

These connectors are located in the sections labeled “EFX 1” and “EFX 2” on the rear panel of the LK-1. The EFX Loop Outputs are in the form of male XLR connectors. They are connected to the EFX RETURN connectors via minimum length copper conductors inside the LK-1.

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