Bogen SI35A Desktop Control Center for School Intercom System (Up to 75 Classrooms)

The Bogen SI35A Desktop Control Center for School Intercom System provides fast, reliable, efficient intercommunication and tone signalling for small to medium-sized schools. It also counts with emergency announcements and background music options.

The SI35A provides a 20-watt intercom amplifier to permit instant intercommunication with any speaker-equipped location, and a separate 35-watt program amplifier for simultaneous distribution of program material to other rooms or locations.

The system also features an emergency page capability for emergency announcements to all stations at once. The SI35A provides complete facilities for distributing a variety of program materials from optional equipment such as microphones, CD playerAM/FM receiver, or other background music source.

SPECIFICATIONS

• Rated Output:
  Program – 35WRMS
  Intercom – 20WRMS
• Frequency Response:
  Program – +1, -3 dB from 80 Hz to 15 kHz
  Intercom – Shaped for maximum intelligibility
• Distortion: Less than 1% at rated power and bandwidth
• Inputs: Two Lo-Z balanced MIC: Hi-Z unbalanced AUX; Telco Page; 25V Booster
• Output: 25V Balanced line, Line Out to Booster
• Phantom Power: 15V DC
• Input Sensitivity:(for rated output)
  Program – MIC Input: 300μV balanced Lo-Z; AUX: 100mV unbalanced Hi-Z
  Telco Page: 100mV unbalanced Hi-Z; Intercom – Listen Mode: 300μV balanced Lo-Z (Console MIC: 1mV unbalanced Lo-Z)
• Controls:
  Front Panel – Program Selection: MIC 1, MIC 2, AUX; Level: Monitor/
  Listen, Program; Distribution: All Rooms, Emergency, Press To Talk;
  Indicators: Program Talk/ Level LED
  Rear Panel – Input Gain: MIC 1, MIC 2, AUX, Telco Page, Talk, Listen
  Internal – Gain: Emergency Page, Supervisory Tone, Time Tone
  Enable/Disable: MIC 1/Console MIC; MIC 2/Telco Page, Phantom Power,
  Supervisory Tone, MIC 1/Monitor Mute
• Tone Specifications: Time Tone – 750 Hz
  Supervisory Tone – Repeating, 500 Hz
  Call-in Tone – Repeating; oscillates between 500 Hz and 750 Hz (Switching Freq., 16 Hz)
• Power Requirements: 120V AC, 60 Hz, 100W maximum
• Dimensions: 20-1/2" W x 12" H x 11" D (with sloped top)
• Cabinet: Simulated wood grain finish
• Panels: Black with color-coded lines and instructions for Intercom, Program, Emergency Page
• Product Weight: 29 lb.
• Operating Temp.: 0-130° F
• Accessory Equipment: CDR1 – CD player and AM/FM Receiver
  SCR25A – Call-in module (for switches w/o SCR)
  SBA225 – Three-Channel (Program A, Off 0, Intercom C), 25-Station Switchbank
  WMT1A – Line-matching transformer for telephone paging
  TAMB2 – Telephone access module for telephone paging
  DDU250, MBS1000A – Desktop paging microphones
  CA10A, CA11A, CA17 – Call-in switches (2-pos., 3-pos., and push-button, respectively)
  TWK351 – 2-Wire call-in adapter kit
  2518, 2520, 2522 – Connector Kits (18-, 20-, and 22-gauge respectively)
  TL156 – Insertion Tool for connector kits