SAMI-402 is an installation audio mixer in standard rack format, featuring 3 MIC/LINE Stereo inputs, 1 LINE Stereo input, 1 main mix output and one AUX/REC additional output. It includes a 3 band tone control section, Talkover (priority) function assignable to each MIC/LINE input over the mix bus, ST/MONO mix switch and MUTE port for external dry contact triggering.

Analogue Audio Input Ports

• Number of input ports: 3, MIC/LINE 1, LINE
• Connection type: MIC: 3-pin Euroblock LINE: RCA
• Input sensitivity: LINE 1-3: 0dB LINE 4: 0dB/-6dB (internally selectable) MIC 1-3 BAL: -35dB
• Input sensitivity adjust: MIC/LINE: ±15dB
• Input impedance: LINE 1-3: 50kΩ LINE 4: 50kΩ MIC 1-3 BAL: >1kΩ
• Max input level: +18VDC
• CMRR: MIC: >60dB @ 1kHz

Analogue Audio Output Ports

• Number of output ports: 1 main mix output 1 AUX/REC output
• Connection type: Main: 3-pin Euroblock AUX/REC: RCA
• Output type: 1 STEREO/2 MONO main mix output 1 STEREO AUX/REC
• Nominal output level: OUT: 0dB/+6dB (internally selectable) AUX/REC: 0dB/+6dB (follows MAIN OUT, when AUX OUT=POST)
• Output impedance: OUT: 600Ω AUX/REC: 10kΩ

Signal

• Frequency response: LINE: 10Hz-50kHz -1dB MIC BAL: 10Hz-30kHz -1dB
• THD + Noise: LINE: <0.005% MIC BAL: <0.04%
• Signal noise ratio: LINE: >100dB MIC BAL: >85dB

Device Control

• Tone Control: 3-way tone control
• Tone Frequency Cut: BASS: 100Hz ±15dB MID: 2kHz ±15dB TREBLE: 10kHz ±15dB
• Talkover: TIME: 2 seconds EFFECT: -30dB
• Control Buttons: Power ON, Talkover, LINE/MIC, L+R (output), Gain knob, Volume knob
• Status Indicators: Power ON LED, MUTE LED, Vu-meter LEVEL LEDs

Remote Control Connections

• GPIs: MUTE control port NO/NC

Electrical

• Power supply: ±17.5VDC External PSU
• AC mains requirement: 100-240V @ 50-60Hz (External PSU: 17.5VDC)
• AC mains connector: IEC inlet connector
• Power consumption: 10.8VA / 4.5W
• Cooling: Passive

Physical

• Operating temperature: Min: -10°C ; 14°F Max: 40°C ; 104°F
• Operating humidity: <85% HR
• Storage temperature: Min: -10°C ; 14°F Max: 40°C ; 104°F
• Storage humidity: <90% HR
• Installation options: 19" rack format (1RU)
• Included accessories: ±17.5VDC multi-plug PSU, EuroBlocks, Rubber Foot, Mini Jumpers
• Dimensions: 482.5 x 44 x 153.7mm  /  19 x 1.73 x 6.05 in (WxHxD)
• Weight: 1.75kg  /  3.86 lb
• Shipping dimensions: 560 x 60 x 295mm  / 22.05 x 2.36 x 11.61 in (WxHxD)
• Shipping weight: 2.45kg  /  5.40 lb