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.
Brand: Nagra
Model: QSV-2 Speed Varier
Made in: Switzerland
Compatibility: Nagra 4.2 / IV series portable recorders
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- Precise variable speed control for Nagra 4.2
- Allows tape speed to be increased or decreased without opening the recorder
- Essential for film sync, broadcast timing, and analog mastering work
- Plug-and-play operation with matching Nagra 4.2 socket
Condition Notes:
Fully tested and verified functional on a Nagra 4.2 recorder
Speed adjustment works smoothly across the range
Physically in very good condition with minor signs of previous use (see photos)
All original labeling intact; no modifications or tampering
Clean internal contacts and secure locking mechanism