Troubleshooting

Amplifier will not turn ON.

On the GS-35, GS-60, GS-100 and GS-150, depress the

 

 

circuit breaker.

 

 

On the GS-250, check the fuse. Replace fuse only with

 

 

same type and rating.

 

 

 

 

No output on 70V, 25CT, or 25V.

Check that the LINK switch on the rear panel is in the IN

 

 

position or external signal-processing equipment, if used,

 

 

is functioning

 

 

Make sure that the shorting clip on the DIRECT OUT 4Ω

 

 

output is in place.

 

 

 

 

No telephone output.

Make sure that the MIC 5/TEL switch is in the TEL position.

 

 

When connecting the telephone Tip & Ring, make sure to

 

 

use the two outside terminals and not the center terminal

 

 

(GND).

 

 

 

 

Aux input will not mute with

Check that the VAR MUTE control is not set to 4 (0dB).

 

telephone page.

This control adjusts the level of the background music

 

 

when making a page. See page 10.

 

 

 

 

Microphone squeals or hums when

Check your wiring connections for the 3-pin connector.

 

using the 3-pin connectors but not

Pin 1 is the shield connection. Pins 2 and 3 connect

 

when using screw terminals.

to high and low leads on the mic cable.

 

 

 

 

Condenser Mic will not work.

Make sure that phantom power switch (MIC 1 - 4) is on.

 

 

See page 6.

 

 

Mic 5 and 6 use circuit board jumper. See page 6.

 

 

 

 

Telephone input cuts off the music,

Adjust the VOX control on the rear panel to eliminate any

 

without making a page.

unwanted noise that may be triggering the auto-mute circuit

 

 

See page 10.

 

 

 

 

Telephone input is choppy or

Adjust the VOX control counterclockwise to make the

 

cuts off the beginning of a page.

trigger activate at a lower input signal level. See page 10.

 

 

 

 

The telephone page volume is too

Adjust the ALC control on the rear panel. See page 10.

 

loud on some pages.

 

 

 

 

 

AUX 1 input not working

Make sure MIC 6/AUX 1 switch is in the AUX 1 position.

 

 

Make sure the signal source is plugged into the AUX 1

 

 

RCA jack.

 

 

 

 

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Bogen GS-250, GS-150, GS-60, GS-100, GS-35 manual Troubleshooting, Amplifier will not turn on
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GS-35, GS-250, GS-100, GS-60, GS-150 specifications

The Bogen GS series offers a variety of versatile and efficient amplifiers tailored for different audio applications. Among the models in the series are the GS-250, GS-100, GS-35, GS-150, and GS-60, each providing unique features suited for various environments, such as schools, auditoriums, and commercial settings.

The Bogen GS-250 is a robust amplifier, delivering a powerful output of 250 watts. Its key feature is its built-in 5-input mixing capability, allowing for seamless integration of multiple audio sources. The GS-250 incorporates advanced thermal protection and a low-impedance output, ensuring reliable performance even under strenuous conditions. This model also supports both 70V and 4Ω speaker configurations, making it adaptable for a wide range of installations.

Next in the lineup is the GS-100, which outputs 100 watts and is designed for medium-sized venues. It features a straightforward front-panel interface with volume controls and indicator lights for easy operation. The GS-100 is equipped with two auxiliary inputs, enabling users to connect additional devices, such as microphones or digital audio players, while its built-in paging capabilities make it suitable for announcements in public spaces.

The GS-35 is a compact model with a 35-watt output, ideal for small rooms or personal use. This amplifier includes a single microphone input with an adjustable volume control, making it user-friendly for educational settings or small business environments. Its lightweight design allows for easy transportation and installation, offering a practical solution for localized sound needs.

For slightly larger applications, the GS-150 offers 150 watts of power. This model is equipped with multiple inputs, including dedicated microphone and auxiliary options. An important feature of the GS-150 is its user-adjustable tone control, providing flexibility to tailor sound quality based on the acoustics of the environment. Additionally, it supports both high-impedance and low-impedance systems.

Finally, the GS-60 rounds out the series with its 60-watt output, perfect for smaller venues. It boasts a simple setup with an intuitive interface, catering to users who may not be audio professionals. The GS-60 combines affordability with quality sound reproduction, making it a popular choice for businesses looking to enhance their audio capabilities without breaking the bank.

In summary, the Bogen GS series offers a comprehensive range of amplifiers that cater to various needs, characterized by robust power outputs, multiple input options, and user-friendly interfaces. Each model is designed with reliability in mind, ensuring consistent performance in diverse audio environments.
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