Guzik 302820 Preamp V Tri-Amp Config PCB Card Rev C Hard Drive Tester

Guzik 302820 Preamp V Tri-Amp Config PCB Card Rev C Hard Drive Tester

The Guzik 302820 is a Preamp V preamplifier board in the Tri-Amp configuration, designed for use in Guzik hard disk drive (HDD) certification and test systems. This PCB serves as the read/write preamplifier interface module within a Guzik spinstand or certifier platform, conditioning the low-level signals between the test system's electronics and the disk drive heads under test. The board carries the Rev C revision marking and bears the Guzik logo label on the front face.

Specifications & What's Included

• Manufacturer: Guzik
• Part Number: 302820
• Configuration: Preamp V, Tri-Amp Config
• Revision: Rev C
• Form Factor: PCB card / module
• Edge Connector: High-density gold-pin multi-pin connector with white plastic housing (visible on board edge)
• Board Construction: Multi-layer green PCB with surface-mount and through-hole components including multiple ICs, blue capacitors, and red/blue trim potentiometers
• Application: Hard drive test and certification system preamplifier
• Included: PCB card only

Applications

Guzik Technical Enterprises is a U.S.-based manufacturer specializing in hard disk drive test and certification equipment, including spinstands and disk certifiers used by HDD manufacturers and research labs to evaluate drive heads, media, and recording performance. The Preamp V board in a Tri-Amp configuration functions as the signal-conditioning front end in these systems, amplifying the very low-level read signals from magnetic disk heads for analysis by the certifier. These boards are used in production-line disk qualification and in R&D environments where engineers characterize recording performance across drive generations. Replacement and spare preamplifier boards are sought by facilities maintaining existing Guzik test platforms, as the systems themselves have long service lives in HDD manufacturing and evaluation environments.