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+++ 1947.a.c. caseta/cartridge RCA MI-12877

caseta RCA MI-12877.JPG +++  1947.a.  RCA MI-12875 - first domestic cartridge recorderThumbnails++ 1948-50.a. Peirce Sound recorder RD-106/ANH-2+++  1947.a.  RCA MI-12875 - first domestic cartridge recorderThumbnails++ 1948-50.a. Peirce Sound recorder RD-106/ANH-2+++  1947.a.  RCA MI-12875 - first domestic cartridge recorderThumbnails++ 1948-50.a. Peirce Sound recorder RD-106/ANH-2+++  1947.a.  RCA MI-12875 - first domestic cartridge recorderThumbnails++ 1948-50.a. Peirce Sound recorder RD-106/ANH-2

- caseta magnetică cu fir de oţel folosită la casetofonul RCA MI-12875 (vezi alăturat); carcasă şi role metalice; firul de oţel este stocat pe o singură rolă (principală) şi transportat cu ajutorul a 2 role intermediare pe canelurile cărora este înfăşurat astfel încât el defilează prin faţa capetelor prin 2 porţiuni/segmente paralele - unul este şters, celălalt este înregistrat (capetele sunt suprapuse, nu alăturate); printr-o fantă frontală se poate vedea un indicator (rotativ) al lungimii rămase; nu se derulează înapoi, doar înainte; dimensiuni: 150 x 105 x 45 mm; greutate - cca. 500 gr.; durata: max. 30 min; viteza: 61 cm/sec; comparatie cu alte 49 casete audio -in tabelul din sectiunea ''despre casetofon'' .

- first in the world magnetic wire cartridge/cassette; used by the recorder RCA MI-12875 (see collection); steel wire is stored on one reel (primary) and transported by 2 intermediate rolls on which grooves it is wrapped so that it scrolls through the head by two parallel portions / segments - one is erased, the other is recorded (the heads are overlapped, not adjacent); through a front slot, can be seen an indicator (rotating) for the remained length; no forward, just rewind; dimensions: 150 x 105 x 45 mm, weight - app. 500 gr., time: max. 2 x 30 min, speed: 61 cm / sec; see comparisons with other 49 types of audio cassetes in the table from ''about cassette-recorder'' section.

Author
RCA - Radio Corp. of America
Rating score
2.61 (1 rate)

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