Duo-300

marketed in 197?

super 8 mm film

lens: Zoom f: 1.5 \ F: 18-30 mm

lamp: 50 W, 8 V, CXL or CXR

reel capacity: 120 m

film loading: automatic threading

projection: forward, reverse

projection speed: 18, 24 fps, additional variable speed adjustment

speed adjustment: by rheostat 

sound mode: mono

sound controls: volume, tone

picture/sound distance: 18 frames

output amplifier: 2 W/8 Ohms, 3.5 W/4 Ohms

frequency response: ?

recording: magnetic recording on main sound track

sound-on-sound: yes

recording level control: auto

input terminal: Microphone, Auxiliary

input jacks: Mic: 3.5 mm diameter jack; Aux: 5-pin DIN plug (European Type)

output terminal: Monitor, Auxilary, External Speaker

output jacks: Mon: 3.5 mm diameter jack; Aux: 5-pin DIN plug (European Type), Ext Sp: 2-pin DIN plug

built-in speaker: 10 cm diameter, 2W/8 Ohm

motor: DC magnetic motor

power source: 100 to 240 V AC, 50/60 Hz, 180 W

weight: 6500 g

dimensions: 150 x 205 x 290 mm

made in Hong Kong by Haking

• same as Keystone SU 200 and Chinon Sound 4100