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I heard that Apogee produces high quality glass fiber optical cables that can work in same path as plastic (usually glass FOC requires different transmitting technology due to optical differences).
I believe they are much costlier than any plastic FOC, but I would expect them to be much better, too.
Short info
TOSlink to TOSlink Glass Fiber Optical Cable
The first optical cable designed exclusively for professional use, Apogee’s new Glass PRO Optical Cable, combines the flexibility of a TOSlink connector with the transparency of glass fiber.
Features
TOSlink™ optical format
Compatible with all ADAT (TM) Devices
Superb Light transfer characteristics allow runs as far as 5 Meters with no loss or jitter transmission.
Super flexible cable - ultra low bend radius (±45º)
Superb jitter reduction and signal transmission
Compatible with all digital optical formats and sample rates
Also compatible with professional theatre installations
Price: around 55$ for 2 m.
I guess that would be high-end optical cable, compared to prosumer plastic types incl. mentioned Monsters.
Also, if longer than 2-3 foots all plastic optical cables ADD subtle, but audible degradation (call it jitter if you want). so I would not think twice when buying glass type.
GYang
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