Guzik S1701 SpinStand Disk Drive Tester RWA-1632 ANA-961+ PRML System As-Is

Guzik S1701 SpinStand Disk Drive Tester RWA-1632 ANA-961+ PRML System As-Is

The Guzik S1701 is a precision spinstand system designed for hard disk drive research, development, and manufacturing test. A spinstand mounts a disk drive's magnetic media on a high-precision spindle and positions a read/write head or head gimbal assembly (HGA) over the disk surface under controlled conditions, enabling detailed characterization of magnetic recording performance. This system is offered as a complete assembly including the S1701 SpinStand base unit, the RWA-1632 PRML Read Write Channel Analyzer, and the ANA-961+ PRML Analog Channel module, along with interconnect cables and ancillary components as photographed.

Specifications & What's Included

• SpinStand Unit: Guzik S1701
• PRML Read Write Channel Analyzer: Guzik RWA-1632
• Data Rate: 320 Mbit/s (RWA-1632)
• PRML Analog Channel: Guzik ANA-961+
• RWA-1632 Active Options: High Speed PG 320, Chip Adapter 320
• ANA-961+ Front Panel Outputs: CALIB OUT, READ CH, SPECTRUM TEST OUT (BNC)
• Spindle assembly on precision granite isolation base
• Actuator arm positioning mechanism with stepper motor drives
• Linear slide mechanism visible on top deck
• Carbon fiber cable management guide
• Rear electronics chassis with Parallel Data and PRML DSA I/O connectors
• Multiple interconnect cables included as shown
• Ancillary PCBs, power supplies, and components included as shown on table shelf
• Manufacturer: Guzik Technical Enterprises — Made in U.S.A.
• Patents: U.S. 4,680,516 / 4,710,686 / 4,958,839 / 5,254,946 (S1701); 4,829,545 / 5,355,261 / 5,490,091 (RWA-1632 / ANA-961+)

Applications

Guzik spinstand systems are used in hard disk drive R&D laboratories and HDD manufacturing environments for magnetic recording characterization. The S1701 spinstand platform allows engineers to evaluate read/write head performance, head gimbal assembly behavior, and magnetic media characteristics outside of a complete drive assembly. The RWA-1632 PRML Read Write Channel Analyzer paired with the ANA-961+ analog front end enables measurement of PRML channel signal quality, bit error rate, and analog channel parameters — critical for the development of recording heads and media during the transition to PRML-based recording technology in the 1990s. This type of equipment was used by HDD manufacturers, university research labs, and independent test facilities working on recording density and channel optimization. It is of interest today primarily to institutions maintaining legacy HDD R&D capabilities or to engineers sourcing parts for repair of similar Guzik systems.