Sewing Machine Research
ISMACS International
International Sewing Machine Collectors' Society

Air Electronic Series

1978 - 1982

All Three Types
Colour of the machine

white

Accessory box

white

Machine protection

smoked, transparent Lexan (synthetic material)

Buttons

white, round (stitch selection, width and length)

Bobbin winder

at the right of the top cover, automatic stop

Needle plate

dull

Bobbin extractor

with spring

Thread take-up lever

open

Free arm

convertible in a free arm machine by pushing a button; behind free arm, mobile cover and guidelines, removable

Electronic speed reducer

adjustable by the speed control knob placed at the right hand in the front; also safety snitch, cuts electricity to motor; no influence on light

Foot control

flat pneumatic foot control, without electrical components, allows smooth control of the speed

Motor

electro-magnetic motor, suppression of windings of the inductor, automatic clutch between motor and flywheel

SU "air electronic"
Front of the machine

blue panel (stitch indication: orange/green)
Synchrocolor system

Stitches

7 built-in practical stitches
18 Elna-discs (15 double discs - superautomatic)
(3 single discs - automatic)
Further sewing possibilities: additional Elna-discs

Stitch elongation

for superautomatic stitches: with the dial placed horizontally above the stitch length knob

Buttonhole

automatic (knob position: blue), 5 steps

TSP "air electronic"
Front of the machine

orange panel (stitch indication: orange/green)
Synchrocolor system

Stitches

14 built-in (7 automatic, 7 superautomatic)

Buttonhole

automatic (knob position: blue), 5 steps

Convertible

into a SU "air electronic"

SP "air electronic"
Front of the machine

yellow panel (stitch indication: green)

Stitches

7 built-in practical stitches

Buttonhole

automatic (knob position: blue), 5 steps

Convertible

into a SU "air electronic"

duplex "air electronic"
Same specifications as of the "air electronic" range with the advantage to install them in cabinets of standard cut-out.

By pressing the button: instant convertibility from flat bed into a free arm machine.