TRIODES
NATIONAL UNION 2A3
MADE BY RCA
One matched pair. New
tubes in original boxes,
matching internal
construction.
Test 70/38 and 63/38 on
a calibrated TV-7D/U.
The tubes were also
tested for gas and shorts.
..................
$150.......................
TUNG-SOL ST 45
USED/TESTED MATCHED PAIR
Engraved base,matching internal
construction.
Test 75/47 and 80/47 on a calibrated
TV-7 D/U
...................
$65...................
SYLVANIA ST 45
NEW TUBE IN ORIGINAL BOX
YELLOW PRINT ON BASE.
........ $65 ........
ARCTURUS ST 45
New tube in white box,engraved base.Test
86/47
..... $60 ......
USED/TESTED ST 45 TUBES
RCA CUNNINGHAM ENGRAVED BASE. Test 62/47... $35
ravac made by rca engraved base test
68/47...$35
SYLVANIA GREEN PRINT TEST 60/47 ..... $35
KEN-RAD BASE SLIGHTLY LOOSE TEST 55/47 ... $20
RAYTHEON ORANGE PRINT TEST 50/47 ... $15
SYLVANIA 6B4G
Twin
plate - matched pair - clear glass... $90
RAYTHEON 6B4G
Matched
pair - twin plate - dark glass ... $90
HEINTZ KAUFMAN
6B4G
Twin plate - clear glass
... $40 ( one in stock)
Single plate - clear glass ... $35 ( one in stock )
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