01
From the Community
From the community
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02
Audio Demos
03
Compatible Sound ROMs
04
Parts & Components
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05
Modifications
06
Owner Registry
Production figures for the TR-77 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.
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07
System Components
CONTENTS
01From the Community02Audio Demos03Compatible Sound ROMs04Parts & Components05Modifications06Owner Registry07System ComponentsManufacturer
Roland
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Specifications
- Brands
- BossDrum WorkshopWaza
- Founded
- 1972Osaka, Japan
- Founder
- Ikutaro Kakehashi
- Website
- roland.com
- Industry
- Electronics
- Products
- Electronic musical instruments,synthesizers,digital pianos,electronic drums,guitar amplifiers,guitar synthesizers,effects units,mixing consoles,digital recorders,DJ controllers,vision mixers,accordions
- Traded as
- TYO:7944
- Key people
- Masahiro Minowa
- Company type
- Public
- Headquarters
- Hamamatsu,Shizuoka,Japan
- Number of employees
- 2,783 (2022)
