Shelved behind me is a Nak RX202 (above) and RX505 (below). To the lower left is a Nak ZX7. Refer to the top of the Nak Marathon Tape main page for a full view of these analogue cassette beauties.
Close-up view of the RX505 insides, being prepared for specifications evaluation by M.E. DeWire.
Close-up view of the RX505 insides, with azimuth specifications tweak in-progress.
Close-up view of the ZX7, being prepared for specifications evaluation by M.E. DeWire.