“Hillar’s Amp” BTI LK-2000 Amplifier to GS35b
![](http://n9adg.com/wp-content/uploads/2017/03/lk2000_A-300x224.jpg)
The BTI LK-2000 was originally a 3-1000z based amplifier. It’s nearly as old as I am. The LK-2000 has some pros and cons: Pro – beefy PI-L output circuit robust Peter Dahl Transformer (capable of over 4500v in this configuration) Reasonable layout, lots of room for modifications Con – 220v input, only 3 wire cord …