940 --- V500 --- 140/720 --- 200/200A --- MORE KEYBOARDS830 monitor
The 830 monitor was an accessory for 140-series classroom pianos. It allowed the teacher’s piano to communicate with student pianos. Surviving examples are extremely rare.
Drawings for the Wurlitzer 830 monitor that have been scanned so far:
154428 (Mounting bracket for Wurlitzer 830 monitor)
504353 (Wrapping tape for 830)
