Modifying a Kramer VM-1411 Distribution Amplifier

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This article was published in the May 2025 edition of PW Magazine (https://pocketmags.com/practical-wireless-magazine).  ​

This amplifier is good for distributing signals (0 - 200 MHz) in the shack.

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• All the photos and schematics from the article can be found here (Updated).

• A fuller schematic of the complete RF section (before modifications) can be found here (Updated).

• The manual for the unit can be found here.

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​​Updated -  22 April 2025