Designed by Gustav from PCB Grinder and Jakob Erland from Gyraf Audio, the Head Grinder is a parts kit for a boutique-style, high-gain headphone amplifier based around a pair of NE5534 ICs. The builder will need to supply an enclosure, mounting hardware/connectors, and power transformer with (2) 18V secondaries.

Features:

• Small footprint
• Low component count

Price:

• €64 for component/PCB kit

More Information:

• Availabe on the PCB Grinder web store