PA Tech Electronics QSM-606EP User Manual - page 4
- 4 -
TAPE OUTPUT CONNECTION
These standard RCA /phono jacks provide a mixed output suitable for connection to a tape or cassette
recorder.
PRE OUT / AUX OUT
The horseshoe jumper “U” connects the mixer/preamplifier stage to the power amplifier stage. The connecting
link must be plugged in for normal operation as a mixer/amplifier. “PRE OUT” is after the tone controls and the
master volume control.
POWER AMP IN
Connecting the Mixer Amplifier to a Power Amplifier or other accessory equipment:
This amplifier can be connected to accessory equipment by using phono to phono leads from the mixer
amplifier “PRE OUT (1)” to the accessory gear and back to the “POWER AMP IN” RCA jack. Additional
amplification can be achieved by connecting the “PRE OUT (2)” output to another power amplifier. Under
normal conditions, up to three power amplifiers can be connected in this way.
LOUDSPEAKER CONNECTION
Use only 70V or 100V line loudspeakers.
LOW IMPEDANCE 8
Ω
or (4
Ω
):
This output allows connection of standard low impedance loudspeakers. The minimum impedance must be
4
Ω
. When two or more loudspeakers are in use, ensure that they are wired in such a way that the
impedance load is between 4
Ω
and 16
Ω
.
QSM-606EP, QSM-612EP and QSM-624EP Technical Specifications
Type
Mixer Amplifier
Model
QSM-606EP
QSM-612EP
QSM-624EP
Mains Voltage
AC 115V/ 230V, 50 / 60Hz ± 10% Switchable
Supply
Battery Voltage
DC 24V (MAX 10% deviation)
Output Power:
60W
120W
240W
Outputs
Speaker outputs: 4
Ω
, 8
Ω
, 70V, 100V
Tape output: 1V 4.7K
Ω
Pre output: 1V, 600
Ω
Aux Mains Power: 4A/115V
Inputs
Mic 1~5: 1mV, 600
Ω
balanced.
Aux 1~6: 150mV, dual RCA stereo to mono converter 22K,
TEL: 150mV, 600
Ω
balanced
Power amplifier in: 1V
Frequency response
Mic 1~Mic 5: 60Hz ~ 12KHz ± 3dB
Aux 1~ 6: 50Hz ~ 15KHz ± 3dB
TEL: 50Hz ~ 15KHz ± 3dB
Total harmonic distortion
Less than 1% @ 1KHz, rated power
Signal to noise ratio
All Volume Controls: 80dB below rated power
Mic 1~ 5: 60dB below rated power
Tel: 80dB below rated power
Aux: 80dB below rated power
Tone Controls
Bass: ± 10dB at 100Hz
Treble : ± 10dB at 10KHz
Controls
Channel 1~5 volume control
Aux 6 volume control
Master volume control
Tone controls (Bass, Treble)
TEL volume control