Assembled boards/kits

LT1963A Low Noise Linear PSU PCB +5V Module assembled for DIY Audio

This is one piece of low noise linear power module with output voltage of +5V. The module features low noise LDO LT1963A.

AD1852 DAC AD1896 Upsampling 24bit/192K OPA627 4-Layer PCB Complete Unit

Pass F5 25W Pure Class A Amplifier Kit – Dale Resistors – One Channel

128 Steps Unbalanced Stereo Volume Control Kit with Relays

Magic Eye Tube 6E2 EM84 Board Low Level Full Kit

LM317/337 Dual Rail Regulator Kit for Preamplifier/Headphone Amp

Class A Matched SE J-FET Stereo Buffer Kit Revised PCB

Speaker Protection Circuit Heavy Duty 30A Dual Mono BTL/Stereo Assembled

Pass F5 25W MOSFET Class A Amplifier with Improved Symmetry – Partial Kit

Hiraga Le Monstre 9W-15W Pure Class A Stereo Amplifier DIY Kit - Audiophile

This is a stereo kit of class A amplifier with ultra-fi sonic quality. The design is with reference to the legendary design by Jean Hiraga. This amplifier is the Le Monstre version that can...

Symmetric Complementary J-FET Preamplifier JC-2 DIY Kit

Magic Eye Tube 6E5C Display Board Full Kit – Low-Level Audio Indicator