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AL-800

HF AMPLIFIER, 1.25 KW, 800 TUBE

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AL-800
$ 2,295.00 Each


AL-800 DownloadsSubmit A Review


Ameritron’s compact AL-800 / AL-800H amps are both desktop linears with plenty of muscle!

At 14.25" x 8.5 x14.5", the more compact AL-800 uses a single 3CX800A7 to provide 1250 Watts PEP SSB and 850 Watts CW with 85 Watts typical drive level.

And the AL-800 will even run from a 20-Amp 120 VAC line source if desired. AL-800 typically draws 17 Amps peak current at 120 VAC, or 8 Amps at 240 VAC and weighs just 51 lbs.

For more power and headroom, the AL-800H uses a pair of 3CX800A7 tubes to easily provide 1500 Watts PEP/CW with a typical drive level of just 55 Watts.

The AL-800H draws 14 Amps peak current at 240 VAC (1500 Watts CW output) and weighs just 52 lbs.

Other than power differences, these amplifiers are very similar in features and operation. Both cover 160-15 Meters, and are modifiable to cover 12/10 M with proof of your FCC license.

Both include a Step-Start™ input power circuit, a time delay circuit to allow for tube warm-up, thermal overload protection, grid current limiting to protect your tube(s), a DynamicBias™ circuit and a built-in multi-voltage (14 user-selectable AC line voltages from 90-140; 200-250 VAC) heavy duty power transformer. Hefty 32 lb. grain orientated silicone steel core transformer.

Front panel monitoring and tuning functions are also virtually identical. Both amplifiers include a Standby/Operate switch for barefoot or full power operation, an ALC SET control, Transmit and Fault LEDs.

Dual LED illuminated Cross-Needle meters provide detailed monitoring of amplifier performance. The left meter continuously measures grid and plate currents, and the right meter continuously measures peak RF output power on one scale, and plate voltage, Reflected power and SWR, ALC voltage, and ALC adjustment set.

Quiet pressurized ventilation keeps tubes safely cooled. A Pi/Pi-Loutput network gives you smooth tuning and wide matching range. Vernier reduction drives make tuning and loading adjustments smooth and easy.

Output Power: 1250 Watts PEP, single 3CX800A7
All band operation: 160-15 meters including WARC bands.
User modifiable for 12 and 10 meters.
Genuine Eimac tube: Single Eimac 3CX800A7.
Tuned input circuit: Adjustable slug tuned input circuit.
Output network: Pi/Pi-L gives you smooth tuning and wide matching range.
Tube protection: Grid current limiting circuit protects your tubes.
ALC control: Front panel adjustable, true ALC control.
Vernier Reduction drives: Tuning and loading reduction drives make adjustments smooth and easy.
Heavy Duty power supply: Uses 32 lb. grain orientate silicon steel core transformer and high capacitance computer grade filter capacitors.
Multi-voltage operation: 14 user selectable AC line voltage from 90 - 140 VAC; 200-250 VAC.
Air cooled: Quiet pressurized ventilation keeps tubes safely cooled.
Dual illuminated cross-needle meters: Two cross-needle meters that read peak forward power, reflected power, SWR, high voltage, grid current and plate current.
Step-Start Inrush Protection: Stops damage to your amplifier from inrush current.
Attractive Lexan front panel decal
Compact Desktop Size
One Year Warranty


Ameritron AL-800 Variants
One Eimac®
3CX800A7 tube
Two Eimac®
3CX800A7 tubes
One Import
3CX800A7 tube
Two Import
3CX800A7 tubes
USA 120VAL-800AL-800F
USA 240VAL-800HAL-800HF
Export 220/240VAL-800XAL-800HX
Export 220/240V CE certifiedAL-800XCEAL-800HXCE


AL-800 PARTS LIST
Item IDDescriptionPrice
10-01003TOROID, PRE-WOUND, #61 FOR DLP1.72
10-10140SA, TUBE SOCKET ASBLY, 800/800H106.93
10-10156SA, ANODE CONNECOR, 800/800H10.79
10-10169SA, 5-POS. BARRIER STRIP ASBLY, 80017.66
10-10182SA, FINGER STOCK PREP, 800H6.35
10-10201SA, GREEN LED ASBLY1.64
10-10240SA, 470PF , BRACKET, 800H53.67
10-10800SA, PREP CHIMNEY, 3CX800 TUBE, 800H/80013.19
10-13050SA, AIR COIL, 19 GA, ENAMAL, 5-T0.87
10-13800H-LCSA, COIL, L COIL, 800H21.14
10-15106S.A., PARASITIC CHOKE, AL80B/800/800H6.47
10-15106-1SA, WIND PARASITIC CHOKE, AL-8006.47
10-15120SA, RFC-4, CATHODE CHOKE, AL80010.61
10-15168SA, CHOKE, COIL2.37
10-15197SA, CHOKE, PLATE, ALL AMPLIFIERS20.00
10-25435-1700SA, COAX CABLE PROCESSD, RG58, 17.008.79
10-50800H-CPSA, CENTER PANEL ASBLY, 800H288.64
10-60800-FPSA, PREP FACE PLATE, 80031.86
10-60800-FRSA, PREP FRONT PANEL, 800113.14
10-60800H-BPSA, BACK PANEL ASBLY, 800H86.56
10-60800H-SFSA, SUB. FRONT ASBLY, 800H348.52
10-80800-TCSA, TUBE CHASSIC ASSEMBLY, AL800233.17
10-90800SA, PACKAGE 3CX800 TUBE1,820.33
100-1330RESISTOR, 1/4W, F, 5%, 33 OHM0.10
100-2100RESISTOR, 1/4W, FILM, 5%, 100 OHM0.10
100-2270RESITOR, 1/4 WF, 5%, 270 OHM0.10
100-2330RESITOR, 1/4 W, 5%, FILM, 330 OHM0.10
100-2470RESISTOR, 1/4 WF, 5%, 470 OHM0.10
100-2680RESISTOR, 1/4WF, 5%, 680 OHM0.10
100-3100RESISTOR, 1/4W F,5%, 1 K0.10
100-3180RESISTOR, 1/4WF, 5%, 1.8 K0.10
100-3330RESISTOR, 1/4 WATT, 5%, FILM, 3.3 K0.10
100-3470RESISTOR, 1/4 WATT, 5%, FILM, 4.7 K0.10
100-3680RESISTOR, 1/4 WATT, 5%, FILM, 6.8 K0.10
100-4100RESISTOR, CF, 1/4W, 5%, 10 K0.10
100-5470RESISTOR, CF, 1/4 W, 5%, 470 K0.10
100-6100RESISTOR, CF, 1/4 W, 5%, 1 M0.10
100-6220RESISTOR, 1/4W, FILM, 5%, 2.2 M0.10
101-1100RESISTOR, CF, 1/2 W, 5%, 10 OHM0.10
101-2180RESISTOR, 1/2 W, FILM, 5%, 180 OHM0.10
103-3470RESISTOR, 1 W, METAL OX., 5%, 4.7K OHM0.12
104-0060LLT, RESISTOR, 3W, 1%, WW, TYPE 135 .6 OHM2.28
104-0300LLT, RESISTOR, 3W, 1%, TYPE 135, 3 OHM2.04
104-2100-1LLT, RESISTOR, 3W, 5%, TYPE RSF, 100 OHM0.96
104-5750Resistor, 2W, METAL OX. FILM, 5%, 750 K0.20
104-6100RESISTOR, 3W, 1%, GS-3,1M1.72
107-4500-1LLT, RESISTOR, 7W, 5%, 100 SERIES, TYPE 170S, 50K2.40
11-01273SA, FUSE PACK, AL80B6.53
110-1100LLT, RESISTOR, 10W, TYPE 175, 10%, 10 OHM1.52
110-1100-1LLT, RESISTOR, 10W, 175P, 10%, 10 OHM3.36
113-2100RESISTOR, POWER, 2.5L X .75 D, 50W, 10%, 100 OHM22.50
161-3100-1RESISTOR, POT, 24 MM, SOLDER, 1K LINEAR1.01
162-5100-1RESISTOR, POT, 24MM, PCB, LINEAR, 100K1.43
200-0010-2BLLT, CAP, DISC, 1 KV, 10 PF(WAS 200-0010-2)1.44
200-1100CAPACITOR, DISC, 50V, 20%, Z5U, .001 UF0.10
200-1100-2BCAPACITOR, DISC, 1KV, 20%, .001 UF1.48
200-2100-1CAPACITPR, DISC, Z5U, 100V, .01 UF0.10
200-2100-2BCAPACITOR, DISC, SPRAGUE, Z5U, 1 KV, .01 UF1.48
200-3100CAPACITOR, DISC, 50V, Z5U, .1 UF(723432)(52158025)0.28
200S-0470HVLLT, CAPACITOR, CHIP, 2500V, 20%, 470 PF24.83
220-3330BCAPACITOR, MONO, 10%, Z5U, 50V, .2, .33 UF0.32
250-0027CAP, SM, DM15, 500V, 27 PF1.96
250-0068CAP, SM, DM15, 500V, 68 PF0.92
250-0100CAP, SM,DM15, 500V, 100 PF1.07
250-0150CAPACITOR, SM, DM15, 500V, 150 PF2.00
250-0220CAP, SM, DM15, 500V, 220 PF1.60
250-0270CAP, SM, DM15, 500V, 270 PF1.28
250-0330CAPACITOR, SM, DM15, 500V, 330 PF1.56
250-0470CAP, SM, DM15, 500V, 470 PF1.96
250-0500CAP, SM,DM15, 500V, 500 PF2.00
250-1100ECAP, SM, DM19, 500V, 1000 PF1.28
250-1130ECAP, SM, DM19, 500V,5%, 1300 PF3.52
250-1160ECAP, SM, DM19, 500V, 1600 PF2.16
270-6100-1CAP, ELEC, RL, 25V, 100 UF0.16
270-6220-1CAPACITOR,ELE RAD, 25/35V,220UF(51821525)(540451100.33
270-6380-7LLT, CAP, ELEC., RL, 470 UF, 450V21.60
270-7220-1CAPACITOR, ELECT., RAD, 25V, 20%, 2200 UF1.56
272-3470-2CAP, TAN, 50 V, .47 UF0.92
280-5012CAPACITOR, TRIMMER, 500V, 5-12 PF, ROUND12.88
282-2112-1LLT, CAP,VAR. AIR, 80B, PLATE,.75 PLS SHIFT,36.52
282-2572-1LLT, CAP, AIR VAR., PLATE, AL811/811H46.18
290-0170-7LLT, CAP, DK, 7.5 KV, 170 PF26.40
300-4007DIODE, DO-41, 1A, 1000V, 1N40070.10
300-5408DIODE, 1N54080.20
301-0752DIODE, ZENER, 400 MW, 5.6 V, 1N752A/1N5232B0.10
302-0270DIODE, 1N2701.36
305-3055JTRANSISTOR, NPN, TO-220FP ISOLATED, MJF-30552.16
305-3904TRANSISTOR, NPN, TO-92, 2N39040.15
305-3906TRANSISTOR, PNP, TO-92, 2N39060.15
324-0324IC, OP-AMP, 14, PIN,M LM324N0.48
324-0358IC, LM358N1.28
351-5002DIODE, LED, ROUND, 5MM, T 1-3/4 RED,0.16
351-5005DIODE, LED, ROUND, 5MM, T 1-3/4, GREEN0.22
383-0800-A7-2TUBE, 3CX800A7 EIMAC (AME USE)945.00
400-3581LLLT, METER, SWR/WATT, 80B/800/800H, LED26.80
400-3582LLLT, METER, TUNE, AL800/800H34.96
401-6250-1INDUCTOR, CHOKE, AL80A/12/15/82, 2.5 MH, 300MA15.96
405-1037LLT, COIL, INPUT, PC, PW, 3.75 T8.03
405-1047LLT,COIL, INPUT, PCMT,PW, 4.75T8.22
405-1057LLT, COIL, INPUT, PC, PW, 5.75 T7.96
405-1107LLT, COIL, INPUT, PC, PW, 10.75 T9.39
405-1237LLT, COIL, INPUT, PCMT, PW, 23.75T11.42
405-1287LLT, COIL, INPUT, PCMT, PW, 28.75T12.26
406-1248-1LLT, TRANSFORMER, POWER, 800/H247.00
408-2135RELAY, 12 VDC, 2C 2A, TIMER/QSK/80A, (AR135)5.40
408-6145RELAY, PCB, SPST, 120 VAC, ICP12015.54
408-6148LLT, RELAY, PCB, SPST, 12VDC, 80B/800/800H/57215.30
409-0705COIL, COLLAR, KRAFT, .300 X .600 X .375L0.10
409-0710COIL, SA, COLLAR , PCB PIN ASBLY, FOR 811/H PCB CO1.50
409-1375COIL, MYLAR SLEEVE, .375 X .3 X 1.125L0.15
409-1716COIL FORM INSERT, CREPE/MYLAR, .244X.276X.0160.10
409-8180CORE, TUNE SLUG HEX,1/4-28 X3/8L, CARBONLY E#1800.30
409-8190CORE, TUNE SLUG HEX, 1/4-28X1/2, CARBONLY E#1900.32
409-8194CORE, TUNE SLUG HEX, 1/4-28X5/8L, CARBONLY E#1940.32
410-3590LLT, FAN, RG-90-18-06, 800/H166.00
412-4300IT, BEAD, FERRITE, #43, .562X.250X1.1225L, #433.13
412-7308BEAD, FERRITE, #730.21
421-02200TOROID, IRON, 2, T-200-26.96
500-1563SWITCH, ROTORY, PC, NON-SHORTING, 2P6P, PGM2.78
500-2135LLT, SWITCH, ROTORY, BAND, 3 SEC. 80B85.40
500-4811LLT, SWITCH, WAFER, PC, AL-811/H/80B/572/800/H31.85
504-3247SWITCH, INTERLOCK, SAFETY CHERRY9.24
507-1151SWITCH, ROCKER, 20A, 125V, BLACK, SPST2.50
600-1003CONNECTOR, RCA JACK, PANEL MT, HEX BASE1.74
605-1193TERMINAL, STRIP, 5 POS.,1.34
605-1379TERMINAL, STRIP, 1 POS, KS-8060.80
610-2005TIT, UHF, 4H CH. MT, SO-239, TEF,1004252.09
620-4164CABLE, RIBBON, JUMPER, 16 PIN DIP, 182.11
620-5190LINE CORD, 14/3, 6, 5-15P, 80B/ICP120/60010.20
625-0014SOCKET, IC, 14 PIN .3, LP (53041300)0.23
625-0016SOCKET, IC, .3 CTN, 16 PIN (640047)0.14
625-8800LLT, SOCKET, FOR 3CX800A750.40
652-0187SSCREW, PAN, PH, 2-56-3/16, SS0.10
654-0187SCREW, PAN, PH, 4-40X3/16, ZINC0.10
654-0250-CPSCREW, CS, PH, 4-40 X 1/4 ZINC, FLAT0.10
654-0250SSCREW, ME, PAN, PH, 4-40 X 1/4, SS0.10
654-0375SCREW, ME, PAN, PH, 4-40 X 3/8, ZINC0.10
654-0500SSCREW, ME,PAN,PH.,4-40 X 1/2 SS0.10
656-0187BSCREW,PAN,PH, 6-32X3/16, BLACK0.10
656-0187SSCREW, PAN, PH, 6-32X3/16, SS0.10
656-0250SCREW, ME, PAN, PHIL, 6-32 X 1/4, ZINC0.12
656-0250BSCREW, ME, PAN, PHIL, 6-32 X 1/4, BLACK0.12
656-0312S6-32 X 5/16 PHMS PHIL SS (105632051)(500396)0.10
656-0375BSCREW, PAN, PH, 6-32 X 3/8, BLACK0.10
656-0500SSCREW, PHMS, 6-32 X 1/2, SS0.10
656-0625SSCREW, PHMS, 6-32X5/8, SS0.10
656-1500SSCREW, PHMS, 6-32X1-1/2, SS0.14
656-2000SSCREW, PAN , PH, 6-32 X 2, SS0.20
656P-0750SCREW, STUD, 6-32 X 3/4 SELF CLINCH, ZINC0.11
658-0375SSCREW, PAN, PH, 8-32-3/8, SS0.10
658-0750SCREW, ME, PAN, PH, 8-32 X 3/4, ZINC0.10
660-0187S-SASCREW, SET, SOCKET, 10-32 X 3/16, SS0.11
660-0750RSCREW, PHILLIPS, 10-32X3/4, BRASS0.35
662-0250-RSSCREW, ROUND HD, SLOT., 1/4-20 X 1/4, ZINC0.17
662-0375-RSSCREW, ROUND HD, SLOT, 1/4-20 X 3/8, ZINC0.10
662-0625-HSSCREW, HEX HEAD, SLOT, 1/4-20 X 5/8 ZINC.0.19
705-0440-KNUT, KEP, 4-40, ZINC0.10
705-0632-1NUT, HEX, SMALL PAT. 6-32 X 1/4, ZINC0.10
705-0832-KNUT, HEX, KEP, 8-32, ZINC0.10
705-1032RNUT, BRASS, HEX, 10-320.21
705-1032S-WNUT, WING, 10-32, FORGED, SS0.50
705-2520NUT, HEX, 1/4-20, ZINC0.21
710-06100WASHER, AL, FLAT, #6 X 1 X .05 TH, AL0.20
710-0637WASHER, STEEL FLAT, #6X.250, ZINC0.10
710-0650WASHER, METAL, FLAT, #6 X .5 X .0320.10
710-0837WASHER, FLAT, #8 X .375, ZINC0.10
710-1050RWASHER, BRASS, FLAT, #10 X .5 X .032 TH0.16
710-2550RWASHER, METAL, FLAT, SAE, 1/4ID, 1/2OD, .045, BRAS0.10
710-2562SWASHER, METAL, SAE, 1/4, .281 X .625 X .062 SS0.10
711-0425-EXWASHER, LOCK, EST., #40.10
711-0425SWASHER, LOCK, INT., #4, SS0.10
711-0627WASHER, LOCK, INT, #6, ZINC0.10
711-0627S-SLWASHER, LOCK, SPLIT, #6 SS0.10
711-0837WASHER, LOCK, INT., #8, X .38, ZINC0.10
711-2537-SLWASHER, LOCK, SPLIT, 1/4, ZINC0.10
714-06300WASHER, FIBRE, FLAT, #6 ID X 3 OD1.40
714-0631WASHER, FIBRE BK,FLAT, #6 X .312 X .0320.10
714-25100NWASHER, VIVAK, .250 ID X 1 OD FOR PLATE CHOKE1.00
715-1725-0375SPACER, AL, #8, 3/8DIA X 3/8L (RP:715-1437-0375B0.27
715-1725-1500SPACER, AL, #8 X 1.5001.46
716B-0250SPACER, AL, 1/4 HEX, 4-40, .250L0.27
716B-0625SPACER, AL, 4-40 X .625, 1/4 HEX0.26
716C-0312SPACER, AL, HEX, 6-32 X .3120.17
719F-5500CLLT, SPACER, CERAMIC, 1 X 5.5 L, 1/4-20 TAP22.48
720-2389LLT, TERMINAL, CLAMP, PLATE CHOKE1.02
720B-0563LLUG, SOLDER, LOCK, ANGLE, #4 X 9/16L0.20
720C-0734LFLUG, SOLDER, LOCK, FLAT, #6 X 47/640.20
720C-1406LUG, SOLDER, FLAT, #6, LONG, 1.146L0.28
720D-0875FLUG, SOLDER, NO TOOTH, FLAT, #8 X 7/8, #141-1690.35
720E-0785FLUG, SOLDER, FLAT, #10 X 7/8L TIN0.32
720E-0821LLUG, SOLDER, LOCK, ANGLE, #10 X 53/64L, TIN0.40
721B-2247LUG, RING, #4, .22 X .47, 16-18GA, N.INS0.12
721F-1472LUG, 1/4, RING, CLAMP-ON, UN-INSU., FOR PLATE CK0.19
723-1593TERMINAL, PCB POST, PUSH-ON, #1593-20.28
725-0773FINGER STOCK, AL1500, 16/STRIP1.47
725-2618SHAFT, PHENOLIC, ROD, W/DD, 800/H8.00
725-3105COUPLER, SHAFT, FOR 1/4 DIA1.12
725-4108EYELET, WIDE ROLL, BRASS, SMALL0.32
726-0227POINTER, AL. RED, HFT15000.80
726-0227RPOINTER, RED, 1-1/4, ISSUE A1.55
729-0142LLT, DRIVE, VERNIER, 6:114.36
735-3003PLATE, 1 X 2 WITH 3-HOLE, .062 FR41.00
735-3206BRACKET, BRASS, FOR CHIP STRIP, 800/800H, .5X11.40
738-0800PLATE, FIBRE, 7/8 X 1-1/2, 800 TUBE CHASSIC1.00
740-1012TBUSHING, SHOULDER, TEFLON, #4, .1870.76
740-3272BUSHING, STRAIN RELIEF, R-5N-4, ROUND,SVT18/3,.50.10
745-2158TIE, WIRE TIE WRAP NAT, 7 1/20.40
745-5142CLAMP, CABLE, 1/4 #33040.10
750-0500PLATE, AL, TUBE CHASSIC, 8001.60
752-2301HOLDER, LED, FOR T-1-3/4, 5 MM ROUND, ONE PIECE0.18
755-0120-1FUSE, 1-1/4, FB, ABC 20A, 250V1.26
755-2148FUSE HOLDER, 3AG WITH MOUNTING NUT,CAP(755-5517)4.08
755-2148-1FUSE, HOLDER CAP, FOR ROUND FUSE HOLDER2.40
755-3080CLIP, FUSE 3/4 DUMMY LOAD CLIP0.48
755-3259FUSE, CLIP, PCB, FOR 1/4 FUSE (755-30710.20
755-6800CAP, TUBE CAP, 3CX8002.00
760-0035KNOB, 1647-1, 1 SKIRT1.58
760-0550KNOB, BAR HFT-1500 ANT. (760-2700)5.00
760-2280-1IT,KNOB, 2, HFT-1500, NO LINE2.02
770-1133FEET, FOR ALL AMP1.04
770-6001GROMMET, RUBBER, 3/16 ID X 9/32 OD, #7360.18
770-6246GROMMET, RUBBER, BLACK, 1/4IDX3/8OD, KS-730.26
782-0800DECAL, FRONT PANEL, AL-80026.16
800-1800CABINET, CHASSIS, BOT, 800/800H72.00
800-3080CABINET, SUB. FRONT, 80B16.97
800-4800CABINET, BACK PANEL, AL-800/800H26.00
800-5800CABINET, TOP COVER, 800/800H98.23
800-8080CABINET, CENTER PANEL, 80B16.66
800-9080CABINET, SHIELD PANEL, AL80B5.16
800-9610CABINET, INPUT COVER, 800/800H10.00
800-9700PLATE, BOTTOM CHASSIS, COVER, AL800/800H SS3.40
800-9720CABINET, TUBE CHASSIC, 800/800H22.00
800-9736CHASSIC, PLATE, 2-1/2 X 2-1/2, 800 TUBE COVER PLA1.80
850-0657SH.BOX, WH 200#,RSC, 22-3/8X20X15, STI, OUTSIDE5.73
850-0687SH.BOX, WH 200#, RSC, 18-3/4X18-1/8X12-1/8,811,IN13.37
850-2308CARTON, WHITE, 7-3/8 X 7-3/8 X 11-1/2, TUBE4.22


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