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+++ 1955.a. Mohawk Midgetape BR-1

DSCN6754.JPG +++  1955.a.c.  caseta/cassette Midgetape RLThumbnails+++  1959.c. Mohawk Midgetape 300 = world's 1-st portable cassette/cartridge recorder -3-rd variant+++  1955.a.c.  caseta/cassette Midgetape RLThumbnails+++  1959.c. Mohawk Midgetape 300 = world's 1-st portable cassette/cartridge recorder -3-rd variant+++  1955.a.c.  caseta/cassette Midgetape RLThumbnails+++  1959.c. Mohawk Midgetape 300 = world's 1-st portable cassette/cartridge recorder -3-rd variant+++  1955.a.c.  caseta/cassette Midgetape RLThumbnails+++  1959.c. Mohawk Midgetape 300 = world's 1-st portable cassette/cartridge recorder -3-rd variant

- un aparat cu care americanii se pot mandri !! el a deschis drumul reducerii dimensiunilor (215 x 95 x 45 mm) casetofoanelor, cel mai cunoscut urmas al sau - Philips EL3300, lansat 7 ani mai tarziu - fiind cam la fel de mare (190 x 110 x 55 mm); sunt de remarcat: modul de transmitere a miscarii printr-un arc (in locul clasicei curele de cauciuc, aparute mai tarziu), modul de mentinere a vitezei constante printr-o infasurare suplimentara a arcului pe axul volantului, ambreiajul centrifugal al motorului si dimensiunile 'normale ' ale acestuia; electronica cu 3 lampi miniatura: CK549DX x 2, CK542DX.
defect; cu manual de reparatie.

- a historical piece with which the americans could be proud: this is world's 1st portable cartridge recorder; remarks: small dimensions (215 x 95 x 45 mm = similar as 7 years later Philips EL3300); it uses a very thin and long spring as movement driving, instead a rubber belt; an additional coil of the spring onto the fly-wheel in order to maintain the right speed; centrifugal clutch of the motor and its small dimensions; electronics uses 3 miniature valves: CK549DX x 2, CK542DX.
not working; w. service manual.

Author
Business Machines Corp. (NY, USA)
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