Modifying a Kramer VM-1411 Distribution Amplifier

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.

• 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.