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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 167

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Technical Details

Brand: Minifon

Model:P55

Category:Vintage

Application:Consumer

Electronic:Tube

Country of Manufacture:

Release dates:1961-1961

Tracks:

Speeds: 1 7/8, 3 3/4, 7 1/2

Max Reel Size("): 3"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: Mono - Full Track

# Motors:

Voltage(s):

Frequency Response:

Wow and Flutter:

Signal-to-Noise Ratio:

Sound quality rating:5 / 10

Long-term reliability rating: 5 / 10

Additional Details

Description

The
Minifon, first developed in 1952 by Monske GMBH of Hanover, was an ultra-miniaturised,
battery operated wire recorder originally fitted with miniature valves
(tubes).  It could not (initially at least) record the full range
of sounds and was thus limited to voice recording but it did offer easy
portability in a very small package.
When the machine was first introduced in 1952
it had a recording time of one hour and weighed about 3 pounds (1.36 kg).
The basic cost was (US)$289.50.
Later versions were modified to use transistors and magnetic tape but
even as late as the early 1960s  the model 240 was still using wire.
(It was almost definitely the last wire recorder in production and sold
for (US)$269.50).
The Minifon pictured here comes from English
collector Stuart Blacklock who has provided the following description
and specifications:
“… The Minifon was classed as a dictation
machine, so small it would fit into your pocket. This machine was, in
1957, the world’s smallest dictating machine.
At the front of the machine appear the following
functions.
Play, Record, Rewind and Stop.

Additional Info

Batteries: motor 24v anode 30v & filament 1.5v / Fast rewind speed: 14 seconds for 1 minute of wire / Inputs: microphone and motor power supply / Outputs: headphones / Weight: ½ kg with batteries / Tape format: wire

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