Nagra IV-S & NAGRA QGB Adapter and NAB HUB Adapters and lot of cables | eBay
10.5” REEL ADAPTER for NAGRA IV series(QGB) Mark II | eBay
NAGRA AUDIO - NAGRA QGB. 25/30 The Nagra QGB is an adaptor converting Nagra IV-S recorder into a large reel machine thus making recording and playing performance of the Nagra IV-S equivalent