RCF FORUM 3000, Owner'S Manual, Page: 18 / 40

18
ENGLISH
SPECIFICATIONS
MMU 3100
Max. output power (RMS) 80 W (desktop microphones), 80 W (70 / 100 V
loudspeaker output)
Constant voltage loudspeaker output 70 V (62.5
Ω
) / 100 V (125
Ω
)
Frequency response 50 Hz ÷ 18 kHz
T.H.D. (@ 1 kHz, nominal power) < 1 %
DESK INPUT
-
Sensitivity
-
Impedance
-
Signal / noise ratio
-
Tone control
–44 dBu (max. -24 dBu)
1 k
Ω
> 70 dB
0 ÷ +5 dB @ 2 kHz
AUX INPUT, balanced
- Sensitivity (LINE)
- Sensitivity (MIC)
- Impedance
- Signal / noise ratio (LINE)
- Signal / noise ratio (MIC)
- Tone control
- ‘Phantom’ power
–7 dBu (max. +13 dBu)
–44 dBu (max. –24 dBu)
10 k
Ω
> 80 dB
> 60 dB
0 ÷ +10 dB @ 2 kHz
32 V (20 mA)
SYSTEM AUDIO IN, unbalanced
- Sensitivity
- Impedance
- Signal / noise ratio
–5 dBu (max. +15 dBu)
20 k
Ω
> 80 dB
PLAY IN, unbalanced
-
Sensitivity
-
Impedance
-
Signal / noise ratio
-
BASS control
-
TREBLE control
–7 dBu (max. +13 dBu)
20 k
Ω
> 80 dB
±8 dB @ 80 Hz
±13 dB @ 10 kHz
PRE IN, unbalanced
-
Sensitivity
-
Impedance
-
Signal / noise ratio
0 dBu (max. +22 dBu)
20 k
Ω
> 80 dB
TELECONF. IN, unbalanced
- Sensitivity
- Impedance
- Signal / noise ratio
–7 dBu (max. +15 dBu)
10 k
Ω
> 80 dB
MIXER OUT, unbalanced
- Max. output level
- Impedance
- Signal / noise ratio
- Inputs
+21 dBu
100
Ω
> 100 dB
DESK INPUT, AUX INPUT, PLAY IN, TELECONF IN.,
SYSTEM AUDIO IN