What is the age of a kimball elka e29 organ serial no 778?

To determine the age of a Kimball Elka E29 organ with serial number 778, you would typically need to refer to the manufacturer's production records or databases that track serial numbers and corresponding production dates. Kimball organs were produced in various batches, and specific details about the E29 model's production timeline may help pinpoint its age. Generally, these organs were popular in the 1970s and 1980s, so it is likely that your organ dates from that era. For the most accurate information, consider contacting a Kimball organ expert or collector.