DRAKE R-4A Spécifications télécharger pdf (Page 29)

Figure #9

VOLTAGE CHART

Number

Type

2 3 4 5 6

12BZ6

-1.1 1.66

12.6*

140

129

6HS6

0 0

6.3*

12.6*

140

2.8

12BE6

-11.5 2.7

12.6*

140 132

12BA6

-1.1

0 0

12.6*

136

12BA6

-1.2

12.6*

110

6EH5

2.9

12.6*

6.3*

140

6HS6

-.8

0 0

6.3*

145 120

2.2

12BA6

-1.29

12.6*

128 110

Vl0

12AX7A 70

12.6*

148

2.7 N.C.

Vll

OB2 110

N.C.

110

N.C.

v12

12BA6

-44

0 0

12.6*

44 45

Notes:

Indicates AC voltage.

Function switch is in NB position except for

V12

measurements where CAL position

is used.

R.F. and A.F. gain controls are fully clockwise. Side controls are set

for normal operation.

SSB/CW-AM

switch is in Slow-AVC position.

Band switch is on 3.5 and Preselector is peaked on 80 meter noise with ant.

disconnected.

Xtal switch is on NORM.

5. The position of other controls is unimportant.

However, the shorted mute

plug must be inserted in the MUTE jack.

-28-

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 38 39

C with crystals supplied 4
20, and 15 6
Switch must be turnea 18
C signal 22
However 30

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DRAKE R-4A Spécifications Page 29

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