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不服不行,管子还是老外的好/ ^6 e) x# c" v/ Q2 @
附6SN7排名' a' |4 ]* k( l6 y' s6 h5 S
6SN7GT SONIC RANKING
' a, Q* e; w3 S- y- m5 r ZBEST SOUNDING 6SN7 AND EQUIVALENTS (6SN7GT/GTA/GTB/WGT, 5692) ARE THESE:. B4 m$ S `' |/ K$ O B
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ECC33=CV2821 Mullard (direct 6SN7GT equivalent, superb sound, the best overall, 1950's)! D( U, X V- A/ n8 H* X
ECC32=CV181 Mullard (can be used in certain applications in place of a 6SN7, superb sound, 1950's)
8 k! D) d5 r/ ?7 N1 J0 C- H6SN7W Sylvania "chrome top" 1940's (metal base and black base)) ^9 _. B& O0 i. ]/ @
6SN7GT/GTB/WGT Sylvania "chrome top" 1940's-1950's* }; q* w/ n1 Q$ g' b+ J y( L
CV1988=6SN7GT/GTY Brimar England 1950's and early 1970's (Y=brown base)
" ]5 ~" y5 C- ]6SN7WGT Raytheon ribbed plates 1950's
+ L/ f- u0 h6 d. L& q$ lVT-231=6SN7GT Sylvania, Tungsol, Ken Rad, RCA 1940's8 ~/ [# P% z' X8 i C' b$ e0 L
5692 RCA Red Base (early 1950's are best)
0 Y8 W( X+ o/ {" K5692 CBS-Hytron and Sylvania Brown Base (1957-early 1960's)
9 q8 |/ v" x! T6SN7GT/WGT Tungsol 1950's-1960's
! T. X& O4 }$ I4 h' n3 x1 s6SN7GT Ken Rad
. o, I3 O0 n2 Y6 m( y) D6SN7GTA GE early 1950's (black plate)
5 y$ {- z6 d( n5 T6SN7GT RCA early 1950's
( S+ x* j( ~8 B# t' Z( c! C* K6SN7GTB Sylvania late 1950's-1970's3 L% s( L8 _8 ]1 D9 C' K# d; Q' f
6SN7GTB RCA late 1950's-1960's( k: O) X: i/ F V
6SN7GTB GE side-getter late 1950's-1975: n3 f }% F& B* o* z2 M+ Z$ K/ H8 I
6SN7WGTA Philips USA made by Sylvania 1970's-1980's
5 O b, ^, r4 z6 T* O( d9 }7 m8 J6SN7GTB RCA, Sylvania, GE coin-base 1970's-1980's2 u. o4 F( U0 T2 n% v9 _+ F2 c
6SN7GTB Japan 1970's: `4 l2 C: m5 d: F
6SN7 Russian (harsh highs, thin sounding) |