DRAKE R-4A Spécifications télécharger pdf (Page 5)

TUBES AND SEMICONDUCTORS:

TUBE

12BZ6

12BA6

6HS6

12BE6

12BA6

2N3394

6EH5

12BA6

12AX 7A

2N706

2N3858

2N3394

lN714

0B2 and lN483A

lN3194

lN270

and

2N3394

lN483A

lN270

FUNCTION

R.F. amp.

100 KC calibrator

1st mixer

Premixer

2nd mixer and xtal oscillator

50 KC I.F.

AVC amp./AVC det.

Audio amp.

Audio output

Noise blanker amp.

Noise blanker amp. /shaper

VFO

VFO buffer

Xtal oscillator

Voltage regulator

Power supply rectifiers

Bias rectifier

AM detector

Noise blanker pulse clippers

Noise blanker gate

Switching

Prod. det.

FRONT PANEL CONTROLS: Main tuning, AF gain, RF gain, SSB/CW-AM

with slow AVC, fast AVC, or AVC off, function switch, band

switch,xtal

switch, passband tuning and selectivity, preselector, notch, and head-

phone jack.

REAR AND SIDE JACKS AND CONTROLS: S-meter zero, notch adjust,

antenna jack, speaker jack, mute jack, anti-vox jack,

T4/T4X

injection

jack, accessory power socket,crystal lock socket, xtal/VFO switch,

ground post ,

and fuse post.

POWER CONSUMPTION: 60 watts,

120/240

VAC,

50/60

cycles.

DIMENSIONS:

5-l/2”

high,

l0-3/4”

wide, cabinet depth

ll-5/8”,

overall length

12-l/4”,

weight 16 lbs.

-4-

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DRAKE R-4A Spécifications Page 5

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