Qtx QSM-4 Quick Manual

QTX Sound QSM-4 Mixer

(172.882UK)

Features

. 3 Stereo Channels
. 2 Phono/Line Convertible, 1 CD, and 2 Mic Inputs
. Talkover
. Headphone monitor
. Master output level meter
. Crossfader – Channels A and B

Front panel:

Rear panel:

Cautions

1. All operating instructions should be read before using this equipment.

2. Do not expose this unit to direct sunlight or to a heat source such as a radiator or stove.

3. This unit should be cleaned only with a damp cloth. Avoid solvents or other cleaning detergents.

4. When moving this equipment, it should be placed in its original carton and packaging. This will
reduce the risk of damage during transit

Connections

1. Before using this unit, make sure that the AC Adaptor (23) is correct voltage.

2. The unit is supplied with AMP output jacks (6.3mm). The AMP (20) jacks are unbalanced

for connection to an amplifier or recording equipment.

3. The MIC L (15) and MIC R (16) inputs each accept a 6.3mm jack connector.

4. On the rear panel are 2 stereo phono/line inputs and 1 stereo CD input.
The PHONO/LINE INPUTS (17, 18) will accept turntable (if switched to phono) or line inputs

The CD INPUT (19) will accept any line level input such as a CD, mp3 player or PC.
An EARTH SCREW (21) for earthing turntables to is located on the rear panel.

5. Headphones can be plugged into the front panel mounted HEADPHONE (14) jack.

Operation

1. POWER ON: Once you have made all the equipment connections to your mixer, press the
POWER BUTTON (12). The power will turn on and the POWER LED (22) will glow.

2. CHANNEL A: SWITCH (4) allows you to select the PHONO 1/LINE 1 (17) RCA input to phono or
line level. The CHANNEL FADER (5) controls the input level of this channel.

3. CHANNEL B: SWITCH (6) allows you to select the PHONO 2/LINE 2 (18) RCA input to phono or
line level. The CHANNEL FADER (7) controls the input level of this channel.

4. CD CHANNEL: The CHANNEL FADER (9) controls the input level of this channel.

5. CROSSFADER : The CROSSFADER (10) fades across the mix between channels A and B

6. TALKOVER (3) The purpose of the talkover section is to allow the program output to be muted so
that the mic can be heard above the music. When the button is pressed, the talkover will be active
and the volume of all sources except the Mic inputs will be lowered by 12 dB.

7. The MIC PAN (1) allows you to select the MIC L/MIC R balance to the Master output and the
Micro (2) allows you to control the level of MIC inputs.

8. The STEREO MONO (8) switch allows selection of Mono or Stereo mix to the Master output

9. DISPLAY: The DISPLAY (13) indicates the MASTER output Left and Right levels.

Specifications

MIC L&MIC R sencibility………………………….1.5 mV (10 K ohms)
PHONO sencibility……………………………………3mV (47 K ohms)
LINE/CD sencibility………………………………..150 mV (22 K ohms)
MASTER OUTPUT………………………..nominal 0.775V MAX 1.5 V
Frequency Response………………… 20Hz-20KHz ±2dB
Talkover Attenuation………………………………………………. -12dB
Headphone output……………………………………300mV 8/16 ohms
Power source….……………………………………..…..…...220V 50Hz
Dimensions………………………………………..…..190 x 135 x 52mm
Weight……………………………………………………………….0.9 Kg

© QTX Sound 2010