Nagra QSV-2 Speed Varier Unit – For Nagra 4.2 RTR Recorder (Used, Fully Working) - NAG-QSV-2

Offered here is a fully working Nagra QSV-2 Speed Varier, an original accessory designed for precision speed control on Nagra 4.2 and IV series portable tape recorders. A rare and highly sought-after unit among field recordists, archivists, and analog restoration professionals, the QSV-2 enables fine pitch variation and synchronization adjustments on-the-go.

This accessory connects directly to your recorder and allows variable speed operation, essential for applications such as pitch correction, archival alignment, or film/audio sync in field production.

Whether you're syncing archival film, restoring audio, or chasing frame-accurate sound, the QSV-2 is a crucial, professional-grade tool for working with Nagra tape systems.