Bogen Comprehensive Guide to the MCP35A Power Supply Manual
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MCP35A Front Control Panel

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1. CONSOLE MIC - Used as microphone 1 or in conjunction with the emergency page or press-to-talk/release-to- listen (intercom) push-buttons.This mic is always used for two-way intercom calls, using the green button, and emergency paging using the red button. No external mic can replace the console mic for these functions.

2.EMERGENCY PAGE - Red push-button. Used to make announcements to all speaker stations. Announcements made using this button override all program distribution and/or switchbank settings.

3.PROGRAM DISTRIBUTION - Push-buttons. Used to make input source selections. Choose from or mix input from MIC 1 (console or external microphone), MIC 2 (external microphone), or AUX (tuner/cassette player),

as desired.

4.ALL ROOMS - Push-button. Used to distribute a program to all speaker stations with selector panel switches set to either the “A” or “O” channel.

5.INTERCOM PRESS-TO-TALK/RELEASE TO LISTEN - Push-button. Used to communicate with the speaker station selected from switchbank channel “C”.This does not affect program distribution to other stations.

6.PROGRAM TALK LEVEL - LED indicators.

N (normal) lights green to indicate proper signal level

P (peak) lights amber to indicate occasional higher than normal signal level

O (overload) lights red to indicate possible signal clip.

7.PROGRAM - Amber knob. Used to adjust volume level to speaker stations.

8.MONITOR/LISTEN - Green knob. Used to adjust the volume level to the front panel speaker.

9.FRONT PANEL SPEAKER - Used to monitor a program or to listen to a station via the intercom (C) channel.

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Contents Power Intercom Systems Models PI35A & SI35A Important Safety Information Contents Maintenance & Service Wiring and Grounding PrecautionsAuxiliary Power Receptacle UnpackingFeatures IntroductionDescription Program Talk Level LED indicators MCP35A Front Control PanelMCP35A Rear Control Panel SBA225 Speaker Selector Front Panel Basic System Operation Wire Speaker Connections to the SBA225 Connector Kit NumbersBasic System Hook-Up Voice Call-In Wiring Call-In SwitchesVoice Call-In Feature CA10A Wiring Schematic CA11A Wiring Schematic with PrivacySpeakers and Speaker Wiring Time TonesT725 Leads 25V 70V Advanced Hook-Ups External Emergency MicEmergency Telco Page External Booster Amp TWK351 Wire Converter CA17 Call-In Switch SCR25A Call-In ModuleSI35A Model Option Enhancements Special Adjustments Gain AdjustmentsTelco Page/MIC Phantom PowerInternal Jumper Selections MIC 1/Console MicTroubleshooting Guide MCP35A Troubleshooting ProcedureSystem Specifications Accessory EquipmentWarranty Spring Street, Ramsey, NJ 07446, U.S.A
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PI35A specifications

The Bogen PI35A is a versatile and high-performance amplifier that is designed for commercial sound reinforcement applications. With its robust construction and advanced features, the PI35A is perfect for schools, conference rooms, and various public address environments.

One of the main features of the Bogen PI35A is its powerful 35-watt output capability. This ensures that audio can be delivered at a sufficient volume to cover medium-sized areas, making it an ideal choice for both speech and music playback. The amplifier is designed to provide clear and intelligible sound, which is essential for effective communication in any setting.

The PI35A also boasts a range of input options, including microphone, line-level, and auxiliary inputs. This flexibility allows users to connect various audio sources, such as microphones for live speaking engagements, mixing consoles, or even portable media players. The built-in tone controls, including bass and treble adjustments, enable users to tailor the audio output to suit their specific needs and preferences.

Technologically speaking, the Bogen PI35A incorporates advanced circuit designs to ensure reliability and longevity. The amplifier includes built-in protection circuitry that safeguards against overloads, short circuits, and overheating, allowing it to operate efficiently in demanding environments. Additionally, the amplifier operates quietly, ensuring that background noise does not interfere with important announcements or presentations.

One of the standout characteristics of the PI35A is its compact and lightweight design. Weighing in at just a few pounds, this amplifier can be easily mounted in various configurations, whether it be on a rack or wall-mounted, optimizing space while maintaining accessibility. The durable enclosure is engineered to withstand the rigors of installation in busy public areas.

In conclusion, the Bogen PI35A is a reliable and feature-rich amplifier that offers flexibility and excellent sound quality for various applications. Its combination of powerful output, multiple input options, advanced protection circuitry, and compact design makes it a solid choice for users seeking a high-performance sound reinforcement solution. Whether used for educational purposes, corporate events, or public announcements, the PI35A delivers a professional audio experience tailored to meet diverse needs.
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