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General| Brand | Alpha Power |
|---|---|
| Model | 99 |
| Category | Amplifier |
| Language | English |
Provides an overview of the ALPHA 99's capabilities and features.
Details how to contact Alpha Power for support and assistance.
Lists the components shipped with the ALPHA 99 amplifier.
Highlights critical safety precautions for installing and operating the unit.
Lists specific actions to avoid during operation to prevent damage or injury.
Describes the built-in safety features that protect the amplifier.
Explains the meaning of the various LEDs indicating amplifier status.
Details the functions of the amplifier's metering systems and displays.
Provides the physical dimensions of the ALPHA 99 amplifier.
Specifies the net and shipping weight of the ALPHA 99 amplifier.
Discusses requirements and considerations for the AC power supply.
Advises on antenna suitability and checks for high-power operation.
Recommends appropriate feedline components for optimal performance.
Emphasizes the importance of unrestricted airflow for cooling.
Covers FCC regulations and recommendations for RF exposure compliance.
Instructions for carefully removing and inspecting the amplifier and transformer.
Details how to make primary AC power connections and grounding.
Provides steps and cautions for securely installing the power transformer.
Explains the correct and safe connection of the power cord.
Details the procedure for establishing a proper RF ground connection.
Instructions for safely reattaching the amplifier cover.
Information on the cooling fan and its installation.
Specifies recommended coaxial cables and connectors for RF signals.
Details the connection of the transmit/receive control cable.
Describes the Automatic Level Control (ALC) output and its usage.
Provides steps for adjusting the amplifier for optimal performance.
Explains how to adjust grid current for linearity and protection.
Outlines the steps for the amplifier's warm-up sequence.
Instructions for safely powering on the ALPHA 99 amplifier.
Describes the final tune-up steps for 1500W RF output.
Information on the care and operation of the amplifier tubes.
Explains the safety interlock system and its function.
Details fuse types, ratings, and their purpose.
Describes the function of the plate overcurrent protection relay.
Explains the Electronic Bias Control (Ebs) feature.
Details the protection circuits against RF arcs and mistuning.
Troubleshooting steps for when the amplifier fails to power on.
Diagnosing issues when high voltage is not detected.
Troubleshooting when meters are not functioning.
Resolving issues with the amplifier's turn-on time delay.
Steps to fix problems preventing transmission.
Addresses issues causing the red GRID LED to illuminate frequently.
Troubleshooting why the green GRID LED remains off.
Fixing signal loss when switching between modes.
Diagnosing plate current issues during non-transmit states.
Troubleshooting causes of distorted audio and interference.
Resolving low-frequency audio hum on transmitted signals.
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