Electra-Piano

Here's the entry for the Electra-Piano in a Hohner catalogue from April 1973:

And here's my translation of the text, although - as with the other entries - I'm unsure of the accuracy of some of the technical details:

HOHNER - Electria-Piano

A mechanical-electrical musical instrument with outstanding playing dynamics, excellent voice retention, individual tone shaping, pleasant key touch, amazing tone sustain, outstanding tone modulation, two pedals for influencing the sound, adjustment to room volume possible.

72 piano keys from F1-e⁴

2 pedals:  damper pedal (piano), sustain pedal (forte)

4 loudspeakers, power rating of about 20 Watts

Headphone connection for silent playing

Connection possibility for second amplifier

Control knob for basic volume

Power switch with indicator light

Mansonia cabinet

Lockable cover - Weight: 67.5 kg

Connection to alternating current over voltage selector for 110/130/220/240 Volt

Dimensions:  91 cm tall, 118 cm long, 45 cm deep  DM 2500

Trademark rights registered domestically and abroad