Vintage Bell & order Howell 33ST Film projector super 8

Film projector is in good condition

Lamp works and plays films
Tested with super 8 film.
There is an issue: the play speed is not constant. Needs probably some tuning / work.


Technical details:
Bell & Howell Model 33ST

marketed in 197?
design: [33ST]
super 8 mm film
lens: Zoom f: 1.3 F: 15-25 mm
lamp: 100 W, 12 V, EFP
Fuse: 4 AT
reel capacity: 180 m
projection: forward and reverse
projection speed: 18, 24 order fps
film loading: fully automatic threading
sound: magnetic playback on both sound tracks
sound mode: ono, duo
amplifier: transistorized
sound output: 8 W (8 Ohm)
frequency response: ?
sound controls: volume, track balance
recording: magnetic recording on both sound tracks
recording level control: auto
sound-on-sound system: yes
mixing: possible
input terminal: Microphone, Auxiliary
input jacks: Mic: 3.5 mm mini jack; Auxiliary: 5-pin European DIN
output terminal: Monitor, External Speaker
output jacks: Ext Sp: 2-pin DIN; Mon: 3.5 mm mini jack
built-in speaker: 7 cm diameter round speaker, 16 Ohm, 2 W
motor: electronically governed DC magnetic motor
power source: 110 to 240 AC, 50/60 Hz, 160 W
weight: 6300 g
dimensions: 165 x 216 x 282 mm
made in Japan by Yamawa

same as Bell & Howell 33 SR, but with recording on 2 sound tracks