Specifications

AMERITRON’s revolutionary ALS-600 is amateur radio’s only
linear amplifier that uses four rugged TMOS RF power FETs --
gives unequaled no tune solid state performance.
$1299 includes Ameritron’s no tune FET Amplifier and a
120/220 VAC, 50/60 Hz AC power supply for home operation.
Yo u get instant bandswitching, no tuning, no warm-up, no fuss!
ALS-600 gives 600 Watts PEP Output power and 500 Watts CW
with continuous coverage 1.5 to 22 MHz; 10/12 Meters with easy-
to-install optional kit, $29.95 plus shipping. Must present FCC
license at time of sale.
SWR Protection prevents amplifier damage if you switch to the
wrong band, use the wrong antenna or have a high SWR. Over-
power protection enables if output forward power or reflected
power exceeds a safe level. Output power is automatically reduced
to prevent amplifier damage by controlling ALC to exciter.
The ALS-600 is extremely quiet. A low speed, low volume fan
is so quiet you’ll hardly know it’s there, unlike noisey blowers
used in other amplifiers. The ALS-600 is a compact 6x9
1
/
2
x12
inches -- takes up less space than your rig! Weighs just 12
1
/
2
lbs.
An illuminated Cross-Needle SWR/Wattmeter lets you read
SWR, forward and reflected peak power simultaneously. An
Operate/Standby switch lets you run “barefoot”, but you can
instantly switch to full power if you need it.
Yo u get a front-panel ALC control! This exclusive AMER-
ITRON feature lets you adjust your output power on the conven-
ient front panel display. You also get front panel Transmit, ALC,
and SWR LED indicators. A 12 VDC output jack lets you power
low current accessories. Enjoy 600 Watts of no tune Solid State
power. Call your favorite dealer for your best price.
ALS-600PS Heavy Duty Power Supply
•Massive choke input
filter greatly improves
voltage regulation and
reduces peak AC line
current • AMERITRON’s
exclusive Multi-Voltage
Power Transformer lets
you compensate for
stressful high line voltage
and performance robbing
low line voltage • Step-
Start Inrush Protection
TM
stops damaging inrush
currents and extends the
life of your power supply
components • Illuminated
Cross-Needle Meter
monitors voltage and cur-
rent of 50 VDC line
• Extremely quiet fan •
Very compact 6x9
1
/
2
x12
inches -- can be placed conveniently out of the way • Wired for
120 VAC, supplies 50 VDC at 25 Amps to ALS-600 amplifier •
Also use on 100-130 VAC and 220-250 VAC, 50/60 Hz • Draws
less than 12 Amps at 100 VAC and less than 6 Amps at 230 VAC •
Includes prewired cable to plug into ALS-600 amplifier
• Made in U.S.A.
www.ameritron.com 7
AMERITRON no tune Solid State FET Amplifier
No tuning, no fuss, no worries -- just turn on and operate . . . Incredibly low $1299 includes
AC power supply, 600 Watts output, continuous 1.5-22 MHz coverage, instant bandswitching,
no warm-up, no tubes to baby, fully SWR protected, extremely quiet, very compact . . .
ALS-600
$
1299
Suggested Retail
(Includes AC Power Supply, ALS-600PS)
Just don’t take it from us . . . here’s what “they”
say about our solid state base station amplifier:
From QST Magazine, March, 2005
“. . . the ampifier faulted only when it was supposed to. It protected
itself from our boneheaded, sleep-deprived band changing manuevers . . . ”
“I found myself not worrying about damaging this amplifier. It
seems quite capable of looking out for itself. . . . Kudos to Ameritron.”
“I couldn’t hear any noise at all from the SPS
(switching power sup-
ply) on the vertical or quad . . .”
“I came to greatly appreciate the size, weight, reliability and sim-
plicity of this amplifier.”
“The ALS-600S makes it possible to pack a transceiver and a
600 Watt amplifier, that together weigh less than 30 pounds.”
From website review, 2005
“I've owned my Ameritron ALS-600 for about 6 months. I previ-
ously used it with a manual tuner but recently opted for an MFJ-994.
The ALS-600 is very easy to operate. In fact, it's almost idiot
proof. It's no tune, no warm-up, and let's you change bands with the
turn of a switch. The unit runs cool, has virtually no fan noise, and
gets great audio and signal reports. As a caveat, you must have a
1.8 or less SWR for the unit to transmit. This means a well tuned
antenna or a good tuner to bring down the SWR. If the SWR goes
beyond 1.8:1, the fault circuit will kick-in. It's easily resettable with
the touch or a button. If you are used to tube amps, you'll spend a
few hours on the learning curve using solid state amps and keeping
reasonable SWRs. In other words, two coat hangers with ends
twisted together out the window for 160 meters probably won't work.
The amp & power supply work well on 110-115 volts and there's
really no need to set it for 220. If you want ease of operation, use
efficient and well tuned antennas, and don't mind paying about $2
per watt for solid state versus about $1.25 per watt for a tube amp,
you'll love the Ameritron ALS-600.”
Switching Power Supply
Works with
all ALS-600
amplifiers.
Extremely
lightweight, just 10 lbs.
Superb regulation, very low
radiated noise.
Measures a compact
9Wx6Hx14
1
/
2D inches.
ALS-600 Amp with Switching
Power Supply
New! ALS-600S, $1428. ALS-600
amplifier with 10 lb. ALS-600SPS
switching power supply combo.
ALS-600SPS
$
629
Suggested
Retail
ARF-1000 RF Filter . . . $159
Use with transceiver or amplifier
that produces unwanted harmon-
ics. Frequency select switches to
1 of six different ranges, 1.5-30
MHz. When the filter is selected
it reduces harmonics above cut-
off frequency. Handles 1 kW SSB
input power, 600W CW or 400W
RTTY. SWR less than 1.3:1 on
all ham bands. SO-239 in/output.
Compact 5
1
/
2
Wx3
1
/
2
Hx9
1
/
2
D inches.