RCF MMU3100
RCF MMU3100 เครื่องควบคุมและจ่ายไฟไมโครโฟนชุดประชุม มีคุณสมบัติทั้งหมดที่จําเป็นในการตั้งค่าการประชุม รองรับชุดไมโครโฟนประชุมสูงสุด 80 ชุด ตัวเครื่องมีเพาเวอร์แอมป์ในตัวขนาด 80W บนเอาต์พุต 100V หรือ 70V
คุณสมบัติ:
- Input to connect up to 80 microphone sets with volume and voice EQ controls
- Additional universal input on both XLR and removable screw terminals for lectern microphone or interview microphone or other sources with volume and voice EQ controls
- Phantom power available
- Input and outputs connections to an external recorder/player device, PLAY / REC selector switches with LED indicators. Volume control and tone EQ on PLAY-OUT
- Teleconference dedicated input and output
- Sound reinforcement and recording system output
- Built-in power amplifier to feed the consoles speakers with volume selector
- Built-in 80W power amplifier output with volume control for additional constant voltage sound reinforcement speakers

Specifications
- 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:–44 dbu (max. -24 dbu)
- impedance:1 kω
- signal / noise ratio:> 70 db
- tone control:0 ÷ +5 db @ 2 khz
Aux input, balanced
- sensitivity (line):–7 dbu (max. +13 dbu)
- sensitivity (mic):–44 dbu (max. –24 dbu)
- impedance:10 kω
- signal / noise ratio (line):> 80 db
- signal / noise ratio (mic):> 60 db
- tone control:0 ÷ +10 db @ 2 khz
- ‘phantom’ power:32 v (20 ma)
System audio in, unbalanced
- sensitivity:–5 dbu (max. +15 dbu)
- impedance:20 kω
- signal / noise ratio:> 80 db
Play in, unbalanced
- sensitivity:–7 dbu (max. +13 dbu)
- impedance:20 kω
- signal / noise ratio:> 80 db
- bass control:±8 db @ 80 hz
- treble control:±13 db @ 10 khz
Pre in, unbalanced
- sensitivity:0 dbu (max. +22 dbu)
- impedance:20 kω
- signal / noise ratio:> 80 db
Teleconf. In, unbalanced
- sensitivity:–7 dbu (max. +15 dbu)
- impedance:10 kω
- signal / noise ratio:> 80 db
Mixer out, unbalanced
- max. Output level:+21 dbu
- impedance:100 ω
- signal / noise ratio:> 100 db
- inputs:desk input, aux input, play in, teleconf in., system audio in
Rec out, unbalanced
- max. Output level:+21 dbu
- level control:0 ÷ +10 db
- impedance:100 ω
- signal / noise ratio:> 100 db
- inputs:desk input, aux input, play in, teleconf in., system audio in
Teleconf. Out, unbalanced
- max. Output level:+21 dbu
- impedance:100 ω
- signal / noise ratio:> 100 db
- inputs:desk input, aux input, play in, system audio in
Protections
- amplifier:short circuit, thermal
- load:dc offset delay, fuse
- power supply:fuse
Generic
- operating voltage:115-230v / 50-60 hz
- max. Power consumption:240 w
- dimensions (w, h, d):442 mm, 88 mm, 230 mm (19″ rack – 2 units)
- net weight:4 kg