G.E.C
0
300
AMPEREX
120,000 1,200
MINIWATT
140,000 1,000
RCA
60,000 450
GeneralElectric
70,000 370
MULLARD
100,000 550
KEN-RAD
70,000 700
GeneralElectric
90,000 600
VALVO
100,000 650
영국제
200,000 2,000
RCA
140,000 1,200
TELEFUNKEN
50,000 300
SYLVANIA
70,000 350
AMPEREX
0
RCA
50,000 300
MINIWATT SQ
120,000 1,500
AMPEREX
130,000
GeneralElectric
80,000 400
