Controls And Connections - Q150E - REL Acoustics Q Series Operating Instructions Manual

Sub-bass systems

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Table Of Contents

Table of Contents

GROUND

~ 220-240 VAC 50-60 HZ

LO LEVEL input volume control. Adjust for output level when using LO LEVEL phono input.

HI LEVEL input volume control. Adjust for output level when using HI LEVEL Neutrik input.

Roll off control. Adjust to set the upper roll off frequency of the Sub Bass System.

MODE SWITCH. Used to set phase* and to bypass crossover for Low Level input**.

Position 1 / Line: 0 degrees phase, crossover engaged low level input

Position 2 / LFE: 0 degrees phase, crossover bypassed for low level input

Position 3 / Line: 180 degrees phase, crossover engaged for low level input

Position 4 / LFE: 180 degrees phase, crossover bypassed for low level input

*PHASE SELECTION AFFECTS BOTH HI AND LO LEVEL INPUTS

**Crossover is always engaged for Hi level input regardless of mode switch position.

SLAM/DEPTH switch. Changes the characteristics of the filter/roll off. Depth mode 20 – 100 Hz.

Slam mode bass emphasised 50 – 150 Hz. ONLY FITTED TO QUAKE AND Q150E

HI LEVEL input Neutrik Speakon socket. Used to connect the sub woofer at high level to the main

speaker terminals on the amplifier using the supplied interconnect.

LO LEVEL input phono sockets. Used to connect the sub woofer at low level to the SUB/LFE

output of the processor/amplifier or spare pre amplifier outputs.

Ground switch. Used to provide a physical earth connection to the sub if necessary. Not fitted to

Q400E (Q401E) and later Quake models.

IEC Mains input socket.