$49.95 MSRP inc.GST

Redback – K 5169 – KIT 135W CLASS A B PRE AMPLIFIR

(Silicon Chip Magazine Nov’11) Remote volume preamp board for K 5165 135W Ultra Low Distortion Amplifier. Designed to work in conjunction with the K 5164 Input selector relay board and Control board to form a complete preamp assembly. 

Important Note For Kit Buyers: 
This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.


  • High performance design – very low noise and distortion
  • Preamplifier module designed for the Ultra-LD Mk.3 Stereo Amplifier but can also be used in the Class-A Stereo Amplifier and with other power amplifier modules
  • Remote input selection (three inputs) plus remote volume control (with muting) using a motorised potentiometer

Why buy an Altronics Kit?
Altronics kits are premium do-it-yourself projects designed to be assembled with ease. However, basic electronics knowledge and soldering skills are essential to construct our kits. A difficulty rating is provided to help determine if your ability is sufficient to build the kit project. Please note, once assembly has been commenced we are unable to honor any warranty claims. Please see the full details here.