PMCH7_EN
C/ Barcelona 101
17003 Girona (Spain)
(+34) 972 203 300
www.optimusaudio.com
PROCESSING AND PRE-AMPLIFYING
Mixer preamplifier with seven input channels,
volume adjustment and individual tone. The
first six channels are MIC / LINE sensitivity-adjustable. The
seventh is for musical sources (selection between CD, AUX or
TUNER).
PREAMPLIFIER & MIXER
PM-CH7
CH1 ~ CH6 inputs
frequency response
tone controls
word filter
CH7 input
frequency response
tone controls
TEL / EMER input
POWER IN input
PREOUT output
TAPE OUT output
MASTER OUT output
Total harmonic distortion
Signal-to-noise ratio
Power supply
Dimensions (mm)
Weight
1 mV (MIC)/200 mV and 47 kOhm (LINE), symmetrical
60 ~ 15,000 Hz (mic), 100 ~ 15,000 Hz (tel)
bass ± 3 dB at 300 Hz, treble ± 3 dB at 10 kHz
-3.5 dB at 315 Hz
47 kOhm, asymmetric, 200 mV (Tuner/Aux), 500 mV (CD)
50 ~ 20,000 Hz (CD, aux, tuner)
bass ± 10 dB at 300 Hz, treble ± 10 dB at 10 kHz
1 V, 600 Ohm, adjustable and symmetric
1 V, 47 kOhm, asymmetric
1 V, 600 Ohm
350 mV, 4.7 kOhm
1 V, 600 Ohm, symmetric (XLR) or asymmetric (RCA)
< 0.5% at 1 kHz
75 dB (except for mic inputs, 60 dB)
24 Vdc (direct and from battery)/1 A
438 x 222 x 44 (1 u rack height)
2.85 Kg
• Channel 1 with priority by VOX or contact.
• Selectable gong (channel 1) with adjustable level.
• Word filter to improve intelligibility.
• TEL/EMER input with maximum priority by VOX.
• Possibility of intercalating external units
(equalisers, feedback suppressors...).
• Recording output.
• Asymmetric (RCA) 1 V and symmetric (XLR)
output
• MASTER/SLAVE connector to expand the system
and extend channels from 7 to 14.