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vikingul38

"Mir M-154R" radiogramophone - ca o bijuterie

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Am intrat in posesia acestei bijuterii......

Si ce am gasit pe net despre el :

 

Set Of Tubes:6K3, 6A7, 6K3, 6K3, 6H6S, 6N8S, 6N8S, 6P6S, 6P6S, 6E5S, 5Z3S.Schematic diagram here

Frequency Range.............................................................LW 150-410 KHz (2000-732 m)MW 520-1600 KHz (577-187 m)SWI 9,36-12,1 MHz (32-24,8 m)SWII 5,98-7,8 MHz (50-38,5 m)SWIII 4-6 MHz (75-50 m)

Intermediate Frequency........................................................................................ 465 KHz

Sensitivity, less than................................................................................................50 mkV

Reception Selectivity (frequency deviation +/-10 KHz), not less than..........................60 dB

Second Channel Suppression, not less than...................LW 60 dB, MW 50 dB, SW 34 dB

Power Output (total distortion 5%)...............................................................................4 W

Audio Frequency Response..............................................................................60-6500 Hz

Local Oscillator Stability(during 10min after 5min heating),less than,KHz..LW,MW 1, SW 2

Power Consumption................. ...............................................................................125 W

Dimensions................................................................................................... 720х490х370

Weight......................................................................................................................35 Kg

Din pacate n-am gasit schema pentru acest radio.....ma ma ajuta cineva??????   Multumesc anticipat....stiu ca are 2 difuzoare dar nu cred ca e stereo.....

 

post-175112-0-17170300-1460880855_thumb.jpg

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Asta e...multumesc , mult....

Nu prea inteleg , in final....dupa traful de iesire se mai poate conecta un difuzor???? Ceva suplimentar se poate conecta cred......curios ....e pe alta infasurare din traf.....!!!!!

 

Pot injecta semnal stereo pe el...oare????

Edited by vikingul38

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Din schema reese ca trb sa fie doua difuzoare in carcasa . Daca nu este prevazut in carcasa , se poate , cu diminuarea puterii .

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Nu sint sigur dar a doua iesire sar putea sa fie iesire de linie pe 100v gen radioficare era la moda in vremea lui cit despre stereo nu din schema reiese ca este mono iar finalul este intradevar de ceva putere in contra timp cu tuburi

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Este un aparat cu redare mono . Stereo nu se poate .

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Ok ...am lamurit-o...oare ce valoare ar avea.....nu-l vand.......l-as da eventual pe un radio capri....!!!!!

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Ok ...am lamurit-o...oare ce valoare ar avea.....nu-l vand.......l-as da eventual pe un radio capri....!!!!!

In afara de faptul ca un radio "Capri" are etaj final stereo, e net inferior acestui aparat-"Capri" e pe cablaj imprimat care se exfoliaza, traful de retea e foarte slab calitativ(am vazut doua bucati arse-cu scurt intre infasurari- in acest an!), iar designul unui "Capri" nu se poate compara cu acesta-si nu ma refer doar la scala. Nu mai vb. de redresor cu seleniu, sfoara de scala cu sistem cinematic jalnic, etc.

"Mir" are un difuzor cu frecventa de rezonanta proprie de 60Hz, celalalt difuzor cu 80Hz, iar carcasa are f.r=70Hz-astfel, pe principiul unui filtru acustic, devine posibil ca aparatul sa reproduca chiar si 40Hz...nu prea are nici un sens stereofonia, la un aparat care are difuzoarele incluse in carcasa!

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Ok ...am lamurit-o...oare ce valoare ar avea.....nu-l vand.......l-as da eventual pe un radio capri....!!!!!

Cred ca de aici incolo,discutia o poti continua la bazar...

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Unul dintre receptoarele tari ale anilor '50. Era depasit net doar de "Belerus 53".

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