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viobio

VD2018 AMP

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Posted (edited)

O să fac un amplificator folosind proiectul VD2018 

 

Amplificatorul va fi clasă AB , ultraliniar , negativare fixa .

Se lucrează la carcasă .

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Schematic Tehnium TUBE Audio Amplifier - vers.1.1.0.jpg

Edited by viobio
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Carcasa ai construit-o personal sau pe comanda ? Pare din aluminiu, nu! :scratchchin:

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Acum 22 ore, leo_electro a spus:

Carcasa ai construit-o personal sau pe comanda ? Pare din aluminiu, nu! :scratchchin:

Comandă , este din tablă de " fer " , o să fie vopsită in negru .

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Posted (edited)

Încet dar sigur avansează lucrarea , am o lene maximă ..... 

Carcasa este din tablă de oțel , 1,5mm , tăiată pe laser , lateralele sunt din lemn .

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Edited by viobio

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Am mai avansat un pic , aștept transformatoarele .

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Gata și amplificatorul ăsta .

Am folosit 2XECC83 RFT & 2XECC82 Tesla & 4 EL34 Electroharmonix.

Toate transformatoarele sunt Hammond , OT 1650P .

18,1V RMS , sarcină 8 ohni , 1000hz 

THD 0,5% la puterea de 40w , 1000hz .

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18,1V RMS  1000Hz 8 ohmi.jpg

THD 0,5%   40w  8 ohmi 1000hz.jpg

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