Reversing the KL audio delay bypass mod
Some of the KLs I've got have had the audio delay circuit in the receiver bypassed. This audio delay is what makes the KL have the nice silent mute action.…
0 Comments
April 18, 2023
2m KL150 PA repair
The KL150 I took from my stock for the new VK7RVP 2m repeater seemed to be in good condition, until I tested it. As usual, the low power mods were performed, channel…
April 18, 2023
KL70 Audio Response
Further to my simulcasting post. Initial testing indicated some distortion, especially with CTCSS tones in overlap. Voice was reasonable, but did "tear" in some areas and was distorted. To eliminate a…
March 22, 2017
10M – 29MHz noise mute
Since installing the 10m repeater VK7RHF, the receiver has at times suffered during sporadic E openings noise, and what seems like AM modulated signals. The assumption is that this is…
December 25, 2016
KL reference 12MHz to 10MHz
The KL series uses a GFS-210W TCXO as a standard reference which operates at 12MHz. There is a "high-stability" option - a GPS-210X which locks with a frequency stability of…
December 9, 2015
Unilab KL Low Idle Power Mods
In this post we describe how to modify the Unilab KL series of repeaters for low idle current for use at solar powered sites, where efficiency is important.. Essentially we…
September 9, 2015