Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long
N N_Cook Jan 1, 1970 0 Jan 26, 2010 #1 Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long
N N_Cook Jan 1, 1970 0 Jan 26, 2010 #2 N_Cook said: Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long Click to expand... 1967 the all/some? Silicon Sansui AU-777 integrated amp came out , anyone know what output devices it used?
N_Cook said: Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long Click to expand... 1967 the all/some? Silicon Sansui AU-777 integrated amp came out , anyone know what output devices it used?
N N_Cook Jan 1, 1970 0 Jan 26, 2010 #3 2SD143 x2 2SD218 x2 /ch 12/ch wrms @ 8ohm. Click to expand... Both made by NEC, well in 1976 anyway, I've no earlier Japanese data Any counter-advances on 1967 for earliest production TO3?
2SD143 x2 2SD218 x2 /ch 12/ch wrms @ 8ohm. Click to expand... Both made by NEC, well in 1976 anyway, I've no earlier Japanese data Any counter-advances on 1967 for earliest production TO3?
H Holloway,Graham \(UK\) Jan 1, 1970 0 Jan 26, 2010 #4 N_Cook said: Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long Click to expand... I seem to remember getting some free samples of the planar version of the 2N3055 from (I think) Solitron in about 1964. I used them to make a quasi-complimentary audio amplfier. The standard 2N3055 must have been around already. Graham H
N_Cook said: Type , year and manufacturer ? a long time after 1954 TI Si prototype , but how long Click to expand... I seem to remember getting some free samples of the planar version of the 2N3055 from (I think) Solitron in about 1964. I used them to make a quasi-complimentary audio amplfier. The standard 2N3055 must have been around already. Graham H
N N_Cook Jan 1, 1970 0 Jan 27, 2010 #5 from // thread on r.a.r.p (includes interesting near monograph on earlier expensive military Si power devices) HH Scott model 260, 80-Watt, Solid State integrated stereo amplifier , 1965, used 2N3055 apparently
from // thread on r.a.r.p (includes interesting near monograph on earlier expensive military Si power devices) HH Scott model 260, 80-Watt, Solid State integrated stereo amplifier , 1965, used 2N3055 apparently