Bogen Speaker Wiring Diagram: Essential Adjustments for Power Supply Performance
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Special Adjustments

Emergency Page

Volume

Gain Adjustments

Screwdriver-adjustable INPUT GAIN controls are located on the rear panel for MIC 1, MIC 2, AUX, TEL PAGE, TALK and LISTEN. Set the controls so that signal clipping cannot occur. Proceed as follows:

1.Apply input(s) to the desired channel(s).

2.Set the corresponding front panel control(s) to maximum.

3.Adjust the appropriate Input Gain control (looking at the rear panel, turn clockwise to increase or counter- clockwise to decrease gain) so that the red (overload) LED lights; then turn counterclockwise only until the LED is extinguished.

Warning

High voltages are present within the MCP35A. The unit should not be operated without covers in place.

Internal controls are provided to set the level of emergency page volume, privacy tone volume, and time tone volume. These controls are factory set; under normal circumstances, no further adjustment is required. If adjust- ment is needed, unplug the MCP35A and remove it from the enclosure. Remove the top cover and make an approximate adjustment. Replace the top cover and plug the unit back in. Test if the new set volume is accept- able. Repeat procedure if necessary.

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Contents Page Page Contents Unpacking Wiring and Grounding PrecautionsAuxiliary Power Receptacle Maintenance & ServiceIntroduction FeaturesDescription Front Panel MCP35A Control PanelRear View Front View SBA225 Speaker Selector PanelBasic System Operation Basic System Hook-Up Wire Speaker Connections to the SBA225Voice Call-In Feature Call-In SwitchesVoice Call-In Wiring Time Tones Speakers and Speaker WiringExternal Emergency Mic Advanced Hook-UpsEmergency Telco Page External Booster Amp TWK351 Wire Converter SCR25A Call-In Module CA17 Call-In SwitchSI35A Model Option Enhancements Gain Adjustments Special AdjustmentsInternal Jumper Selections MCP35A Troubleshooting Procedure Troubleshooting GuideAccessory Equipment System SpecificationsPage Spring Street, Ramsey, NJ 07446, U.S.A Tel 201-934-8500 Fax
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PI35A, SI35A 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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