6RA6........ หลอด Power Triode - Japan ....... Toshiba
ข้อมูลหลอดในตระกูลนี้ ด้วยนะครับ
Small Power triode
6RA2 =PowerTriode=(EIA/-noval)
Ppmax=15W Epmax=200V Ikmax=120mA Ecmin=-100V gm=8.5mS rp=440ohm mu=3.3 Ehkmax=100V Ekhmax=300V Eh/Ih=6.3V/0.76A
op 1 AB1pp (fixed-bias) : Ep=200V Ec=-55V Zl=0.87k? Ipo=120mA Ipmax=260mA Po=15W
op 2 AB1pp (self-bias) : Ep=200V Rk=200ohm Zl=0.8k? Ipo=180mA Ipmax=206mA Po=8W
op 3 SEPP OTL : Ep=400V Ec=-55V Zl=216ohm Ipo=60mA Ipmax=130mA Po=15W
op 4 SEPP OTL : Ep=300V Ec=-35V Zl=100ohm Ipo=76mA Ipmax=142mA Po=5.8W
op 5 parallel-SEPP OTL : Ep=300V Ec=-45V Zl=16ohm Ipo=60mA Ipmax=294mA Po=6.2W (4-tubes)
pin: 1(IC)-2(K)-3(G)-4(H)-5(H)-6(G)-7-(IC)-8(IC)-9(P)
similar to 6RA3, 7233. A2293/CV4079
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6R-A3/6RA3 =PowerTriode= (EIA/T6B-noval)
Ppmax=15W Epmax=250V Ecmax=0V Ikmax=125mA Rgmax=100k?(fixed) 500k?(self) gm=12.5mS rp=0.24k mu=3 Ehk=300V Eh/Ih=6.3V/1A
op A1S : Ep=100V Ec=-20V Ipo=100mA Ipmax=148mA Zl=250ohm Dtot=11% Po=2.64W
pin: 1(P)-2(NC)-3(P)-4(NC)-5(H)-6(H)-7(NC)-8(G)-9(K)
similar to 6RA2, 7233. A2293/CV4079
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6R-A6/6RA6 =PowerTriode= (EIA/T7C-noval)
Ppmax=10W Epmax=600V Ikmax=50mA Ikpeak=175mA Rgmax=2.2M? gm=7.2mS rp=2.2k? mu=16 Eh/Ih=6.3V/0.9A
pin: 1(K)-2(G)-3(NC)-4(H)-5(H)-6(IC)-7G)-8(NC)-9(P)
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6RA8 =PowerTriode= (EIA/-noval)
Ppmax=15W Epmax=350V Ikmax=120mA Ehk=100V(ac+dc) Rgmax=100k? Ehk=100V Eh/Ih=6.3V/1A
op 1 A1S: Ep=270V Rk=350ohm Zl=2.5k? Ipo=54mA Ipmax=62mA Po=3.5W Dtot=6%
op 2 AB1pp: Ep=250V Rk=170ohm Zl=5k? Ipo=105mA Ipmax=120mA Po=10.5W Dtot=3%
op 3 AB1pp: Ep=300V Ec=-25,5V Zl=5k? Ipo=80mA Ipmax=144mA Po=17.5W Dtot=2.5%
pin: 1(IC)-2(K)-3(G)-4(H)-5(H)-6(G)-7-(IC)-8(IC)-9(P)
6RA8 AB1pp ???(from Sansui '60th SW15-4 OPT catalogue)
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6R-A9/6RA9 =PowerTriode= (EIA/T8A-noval)
gm=6.7mS rp=2.5k mu=16.5 Eh/Ih=6.3V/0.6A
