Ampex - 766 Reel to reel audio

1/2" wide, 26 cm diameter.
6 piece Ampex 766 half inch NAB reels.
The reels themselves are in good, preserved condition.

The Ampex 766 1/2" (12.7 mm) tape is documented as a data/intermediate-band technical measurement and instrumentation recording tape, not for musical hi-fi purposes, but it could theoretically be used for "musical" recording - not at a hi-fi level.

I asked the artificial intelligence:
According to the *Ampex Tape‑Type List* compiled by Scott Dorsey, the 766 is a 1 mil (≈0.025 mm), intermediate‑band, non‑backcoated “instrumentation” tape, which:
was designed for instrumentation, data, or measurement‑technical applications, not as a music studio master tape.
“It can function as an audio tape, but not as a hi‑fi one.”
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Look carefully at the photos, they are part of the description.
Space Age, Art deco, bauhaus, mid century, industrial, vintage.
Can be picked up in person in Budapest, Hu