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HF Amplifiers

Displaying ads 1 to 10 of 203 ads in this category.
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 F/S AMP (2) 3-500z Prof. home brew limit  
My personnel amp. i built this 20yrs ago but not much usage-
All the best parts used.
Radio Switch HD band switch
amp. supply tuned input
imac 3-500 tubes-airflow sockets-glass chimney's-individually cooled
Vac.varible cap input silver plated copper tank coil
all control relays are in sockets
10thru160
housed in 4ft rack-RF deck is removable
PS is built to bottom of rack-mullin HV connectors
HD 220VAC DPDT power relays used for HV and filament soft start
adjustable Agastat TD relay for tube fan run time after power down.
PS is FW 2800vdc at 800ma -W1AW diodes-40uf oil cap.-not even warm at full load--
i have complete schematic-
no shipping- near Seattle-
meet up ??
NEW PRICE 1200.00
Listing #1144784 - Submitted on 07/26/14 by Callsign WB6VOL, Modified on 08/01/14 - IP: static-24-113-174-19.wavecable.com
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 For Sale: 390uf/450 Volts Capacitors  
New electrolytic capacitors…390uf/450 working volts, 105 degrees.
Ideal for replacement filter capacitors used in older amplifiers...Collins, Heathkit, Dentron, Amp Supply, Ameritron, etc. or any other high voltage power supply.
Snap in type, 30mm X 45mm...105 Degrees, pins 10mm centers.
Price: $2.75 each plus shipping of $6.50 in lots of up to Ten(10)
6 in series will give you 65uf at 2700 working volts.(Total $23.00 shipped US)
8 will give you 48uf at 3600 working volts.(Total $28.50 )
10 will give you 39uf at 4500 working volts.(Total ($34.00)
Special price on 20 or more...$2.50 each plus shipping of $12.50 on 12 or more.
These capacitors are new and made USA...
I have some 120k, 3 watt equalizing/bleeder resistors for $1.00 each.
I also have 30, 390uf/500 volt, TCI,105 deg for $4.25 each.
I accept PayPal , USPS Money Orders, or personal checks (after clearing). All shipping Priority Mail.
Listing #1145504 - Submitted on 07/30/14 by Callsign K4POZ, Modified on 08/01/14, Web Site: http://k4poz.net - IP: adsl-074-237-017-091.sip.asm.bellsouth.net
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 Heathkit SB-220 Amplifier  
Heathkit SB-220 Amplifier from an estate. Excellent condition. $650 Pickup only in SW Michigan
Listing #1145905 - Submitted on 08/01/14 by Callsign WA8CDU - IP: 24-176-6-27.dhcp.klmz.mi.charter.com
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 FS 500Vdc 270uF Cap Screw Terminal   
New DC 500V 270UF Screw Terminal Aluminum Electrolytic Capacitor These would be great to cap your amp. I installed a set in my Henry 2KD Classic, Did not have to modify ANYTHING.
They will fit in HeathKit, Dentron, Henry, Collins, Ameritron, Alpha.
Operating Temperature:-40~85C
Capacitance:270uF
Color:BlackBrand
Name:UUcap
Rated Voltage:500V
Package Type:Through Hole
Structure:Fixed Capacitor
Type:Aluminum Electrolytic Capacitor
Model Number:NM2H271M35X40
Size:Dia.35*H40mm
These are in lots of 8 will not break up lot.
99.98 shipped cont us
PP/ CC/ Post M/O or personal check but it must clear first.
73
Chris Ni4L
Listing #1143600 - Submitted on 07/20/14 by Callsign NI4L, Modified on 08/01/14, Web Site: http://www.ni4l.com - IP: 97-89-115-111.dhcp.ahvl.nc.charter.com
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 FOR SALE: Restored Heathkit SB-200
I have for sale a fully restored Heathkit SB-200 amplifier in excellent condition electrically and cosmetically. Restoration included, among other things, a Harbach PS, soft start, soft key, and fan, new supressors, new grid caps, a replacement tuning padder doorknob, a replacement coupling capacitor, a new glitch resistor, etc. The cabinet was repainted with matching paint. Key down output easily exceeds Heathkit specs on all bands. The amp has low hours and contains original Cetron tubes. Bias circuitry has been slightly revised to alternately allow conventional operation or cutoff bias control via an external QSK unit such as the QSK Master by Array Solutions.
I am asking $550 plus shipping for this amplifier.
If interested, I will provide pictures and a copy of all of my restoration notes for the amp. You may contact me via e-mail (hwfoglesong at gmail.com) or telephone (970-249-0168)
Listing #1145887 - Submitted on 08/01/14 by Callsign W0TNM - IP: dyn164-59.179.198.waterdog.wifielite.com
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 1000pf 1.5kv amp load variable cap  
Excellent condition Cardwell 1000pf
1.5kv amp loading cap.
$70 shipped to conus. Pay Pal only.
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Listing #1145882 - Submitted on 08/01/14 by Callsign WA8KJP - IP: c-98-224-137-129.hsd1.mi.comcast.net
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 150pf 4.5kv amp plate tune cap   
Brand new Cardwell 150pf 4.5kv amp tune
variable cap.
$70 shipped conus. Pay Pal only.
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Listing #1145881 - Submitted on 08/01/14 by Callsign WA8KJP - IP: c-98-224-137-129.hsd1.mi.comcast.net
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 Plate coupling cap 1500pf 15kv  
Brand new HEC 1500pf 15kv ceramic cap.
Good for plate coupling in your amp.
$75 shipped priority mail, conus.
Pay Pal only.
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Listing #1145880 - Submitted on 08/01/14 by Callsign WA8KJP - IP: c-98-224-137-129.hsd1.mi.comcast.net
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 FOR SALE: AMERITRON AL-80A AMP.  
Ameritron... AL80A in excellent condition single 3-500Z
tube... 800 watts key down on CW.
-
$575.00 ... Prefer local pick up.
-
7 3 de N6EQ
Chuck
Listing #1145871 - Submitted on 08/01/14 by Callsign N6EQ - IP: 24-205-126-22.static.hspr.ca.charter.com
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 NEW Alpha 77Dx BLACK panels  
Hi, my deal to buy an Alpha 77 fell thru. I have 1 Black anodized 77Dx front and 2 Black anodized side panels. Don't have the top panel. I'll ship these to ALL 50 STATES USPS pri. mail for $275.00. PayPal preferred.
Listing #1145806 - Submitted on 07/31/14 by Callsign AL7F, Modified on 08/01/14 - IP: 167-136-42-72.gci.net
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