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AL-1500F AMERITRON AL1500F
[AL1500F]

$2,979.95

1.5kW IMPORTED 8877 TUBE 220Vac

This is a special order item. We do not normally stock it. We will order it for you.

View the manufactures page for AL1500F
View the eham review page for AL1500F

Feel the need for maximum legal HF output power? Ameritron's AL-1500 will
give it to you.
Using the Herculean 3CX1500A7/8877 ceramic tube with its high power gain, the
AL-1500 needs only 65 watts of drive from your exciter to deliver the goods --
transceivers and other exciters just loaf at 1500 Watts out.
Cool, efficient operation is provided by a forced-air system with tube
chimney, using a commercial grade die-cast ball bearing blower for maximum tube life. The tube is further protected by time delay starting and automatic
over-current shutoff to remove drive power i fhte amplifier is mis-tuned.
You get full legal power output from a whisper quiet desktop linear.
Measures 18.5"D x 17"W x 10"H, and covers all bands, 160-15 Meters, including
WARC and MARS (80% of full output set to nearest amateur band).

10/12 Meters modifiable.

You get 1500 watts output (1/2-hour continuous carrier) and 2500 watts (30
second continuous carrier and 2500 watts-plus 30 minute PEP two-tone test).
You get all this power, plus, 65% efficiency, pi-network tuned input, Pi/Pi-L
output, inrush current protection, multi-voltage transformer, QSK
compatability, and a one-year warranty.

The guts of the AL-1500 is its heavy duty power supply, with a 32 lb.
Hypersil transformer using a high silicone steel core, computer grade
capacitors (33 mfd total), heavy duty bleeders and twenty 3 amp, 1000 volt
power rectifiers give you a stiff 3300 volts fully loaded.

The AL-1500 is built on a rugged steel chassis with a separate RF compartment
fully shielded to keep RF from leaking out, keeping RFI and TVI to a minimum.

Superb RF design and layout, Hi-Q tank circuit and commercially rated RF
power components give you 65% plate efficiency over the entire operating range.
Power goes into the antenna instead of into heat.

50-ohm broadband Pi-Network tuned input with slug-tuned coils is used. Even
fussy solid state transmitters deliver full power!

A carefully designed Pi/Pi-L output network using the optimum Q for each band
with vernier ball drives gives smooth tuning, wide matching range, full band
coverage, and peak performance at all power levels.

The AL-1500's grid overload circuit protects the tube from excessive grid
current; if 175mA of peak grid current is reached, the "OPR" LED will no longer
light and the amplifier will go into a bypass condition until reset by the
operator.

Transformer provides many options

Since excessive line voltage stresses components (low line voltage causes a
"soft tube" effect, for example), Ameritron's exclusive Multi-Voltage Power
Transformer lets you optimize for different line voltages. Select from 4
different primary voltage ranges, from 205-219Vac to 252 to 265Vac. The
amplifier comes wired from the factory for 240Vac.

The AL-1500 has two illuminated panel meters. Grid Current meter provides
continuous reading of the critical grid current and indicates proper, safe
amplifier operation.

The other meter can be selected to read Plate Voltage, Plate Current, Peak RF
Watts, or ALC. A SSB/CW selector switch shooses bias voltage for best
linearity on SSB or lowest dissipation on CW.

The Operate/Standby switch, in Standby, maintains the tube's filament and
plate voltages while allowing "barefoot" operation.

Includes 12Vdc auxiliary jack and an "XMT" LED to provide indication of
proper amplifier keying by the exciter.

Power required: 240Vac, 15 Amps.
Frequency coverage: 1.8,3.5,7,14,21MHz & WARC bands. User modifiable for 28MHz
(FCC license required).

Size: 18.5"D x 17"W x 10"H. 77 pounds.

WEIGHT : 77LBS
TUBES : [1] Import 3CX1500/8877
SHIPPING WEIGHT : 50lb UNIT,3 lb TUBE,35lb XFRM
POWER SUPPLY : FULLWAVE BRIDGE,CAPACITOR INP
OUTPUT POWER : 2500W PEP, 1500W CW
MAXIMUM DRIVE POWER: 100W
KEYING : +12Vdc @ 100mA
INPUT CIRCUIT TYPE : Pi-NETWORK,SLUG TUNED COILS
FREQUENCY COVERAGE : 160,80,40,30,20,17,15m
FREQUENCY COVERAGE : 10/12m WITH MODIFICATION (FCC License Required)
EFFICIENCY(SSB) : (ENVELOPE CREST) 62% TYPICAL
EFFICIENCY(CW) : 65% TYPICAL
DRIVE REQUIREMENT : 65W TYPICAL FOR FULL POWER
DIMENSIONS : 18.5"D x 17"W x 10"H

Optional Accessories

1.5kW IMPORTED 8877 TUBE 220Vac AL-1500F HF AMPLIFIERS/PREAMP

 

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