LinearAmplffier
The Collins 30L-1
Linear
Amplifler delivers
1000 watts
PEP
power
input on SSB and
1000
watts
average
on CW
on
all bands.
It can
be
driven by the Collins 32S-3A
Trans-
mitter, the
Collins KWM-2A
Transceiver, or most 70-100
watt
exciters.
Finished
in
the same attractive
light
gray
as Collins'
famous
S/Line equipment
and the KWM-2A,
the
30L-1
has
all
the controls conveniently accessible
on
the front
panel.
The 30L-1
provides
SSB and CW and
covers the 80,
40. 20. 15.
and
10 meter bands. Provisions are made
for
general
coverage use, too.
Automatic load
control
pro-
vides maximum talking
power
without over-driving
and
distortion,
plus
a sharper signal.
The 30L-1 is a
grounded grid
linear amplifier using
Specilications
POWER REQUIREMENTS:
115 v
or
230 v,
50-60 Hz; CW,
key closed, 1200 watts
ac: SSB, no signal, 300
watts
ac; SSB,
speech signal,550
watts ac.
DRIVE POWER:
?0-100 watts for
full
outpot.
PLATE POWER INPUT:1000
watts PEP
on
SSBi 1000
watts on CW on all bands.
HARMONIC AND OTHER SPURIOUS RA-
DIATION:
Second harmonic 40 db; third
order distortion 30 db.
NOISE LEVEL:40
db below single tone
carrier.
ALTITUDE:
0-10,000
ft.
PROTECTIVE DEVICES: All
removable
four
811.4 triodes. They can be replaced without remov-
ing the unit from the cabinet.
Since the 811A's are
in-
stantly heated.
there is no delal in
warm-up.
With the meter switch in tune
position,
the 30L-1
uses
an exclusive comparator
circuit
which can be oper-
ated by simply
adjusting the tuning and
loading controls
to
zero
the meter.
The
30L-1's RF and
power
supply compafiment
covers operate
saftey interlock
switches. Cover
removal
during
operation closes these switches and shorts
the high
voltage to
ground.
The
unit can be operated outside amateur
band
limits;
however, retuning the input circuits
may be
necessary.
FREOUENCY RANGE:
The
80,40,20,
15
and l0 meter amateur
bands.
By retuning input circuit as necessary,
the foJlowing
gcneral
coverage
bands can
be
accommodated:
FREOUENCY BAND TOTAL COVERAGE
3.5 MHz
7.0
MHz
14.0 MHz
21.0 MHz 16.0-22.0 MHz
23.0 MHz
22.0-30.0 MHz
MOOE:
SSB or CW.
TYPE
OF SERVICE:
Attended opcration
SSB, continuous; CW,
5 min. key down,
l5
min. off
(standby).
3.4-5.0 MHz
6.5-9.5 MHz
9.5-16.0
MHz
panels
interlocked. Input line fused
-
8 amps on each side.
OUTPUT IMPEOANCE:
Variable.
Nomin-
ally 50 ohms unbalanced with not
more
than 2: 1 VSWR on the amateur bands.
AUOIO
COMPRESSION CHARACTERIS-
Tlcs:
ALC operates from the amplifier
RF
plate voltage.
Threshold is adjustable
and factory
preset.
AMBIENT TEMPERATURE:
0'-50" C
AMBIENT HUMIDITY RANGET
0%
-90%.
SfZE:
With feet 113/e
"
W,73/+"
H,
14" D
(37.4'7
cm W, 19.69 cm
H, 35.56
cm D).
wElcHT:
38
lbs.
(17.24
kg).
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