Associate Amplifier v1.3 PCB layout render showing component placement, op-amps, and power supply section

Associate Amplifier PCB

$25.00

External 24 V power supply required — not included.

Inspired by many, built by a few. The Associate amplifier is here. Build it yourself, hang it on a shelf!

Available as a PCB. For boutique versions, contact Parker through our Discord.
Additional information on the discrete rectifier is here.

Specifications

Topology	Unity gain follower
Output current	150 mA
Power input	External 24 V, required
Rectifier (with-rectifier variant)	ST STPSC6H065D — 650 V, 6 A SiC Schottky, TO-220AC
Supplied as	Bare PCB

What's included

Associate — 1 × Associate amplifier PCB (bare board)
With rectifier — 1 × Associate amplifier PCB + 1 × Discrete Bridge Rectifier PCB (bare boards). The rectifier takes 4 × ST STPSC6H065D SiC Schottky (650 V, 6 A, TO-220AC) — DigiKey 497-13172-ND, not included.

Not included: components (see BOM below), 24 V power supply, case, volume control.

Documentation & parts

DigiKey BOM Parts index (PDF)Build guide (PDF)Blog post

Easiest route: open the DigiKey BOM and add all parts to your cart. The parts index lists every position on the board with its value, and the build guide walks through assembly in order. The list covers the amplifier board only; the 24 V supply, case and volume pot are sourced separately (below).