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From the Community
From the community
No conversations about the GR 77b yet — own one or know it well? Ask the first question, share a fix, or post your unit.
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Document Library
Manuals
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Audio Demos
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Compatible Sound ROMs
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Parts & Components
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Subscribe to see pricing and buy parts for your GR 77b
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Modifications
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Owner Registry
Production figures for the GR 77b were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
0units registered
0 serials recorded
No units on the census yet — be the first to put your GR 77b on the map.
Own one? Add it to My Gear to join the registrySerial number, condition, and configuration are aggregated anonymously into the census.
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