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 AMPHF - Heathkit SB-220 
- Heathkit SB-220 liner amplifier. Matched Eimac 3-500z full output tubes, properly grounded grid configuration, soft key module for late model radio protection, MOV's installed for line surge protection, upgraded filter capacitors and diodes, upgraded metering circuit, glitch protection resistor, upgraded parasitic suppressors, upgraded T/R relay for fast and quiet switching with none of the open-frame relay clunking, soft start, new fan motor and LED meter lamps (incandescent bulbs provided as well). The case and face are nearly perfect. Jumpered for 240v. This amplifier doesn't need anything.
I'm willing to drive a considerable distance to put you and this together, or you can come here. More pictures are available.
I will not ship this. If you want it shipped, I'll deliver it to UPS and you can arrange the packing and shipping directly.
Please contact me by email or phone.
$1200
- Listing #1735251 - Submitted on 07/06/25 by Callsign KY7X, Modified on 07/08/25 - IP: 50-37-26-237.grdv.nv.frontiernet.net
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 RADIOHF - Icom IC-7100
- I purchased this brand new in Feb of this year, it comes with everything from new. Works as it should, I have replaced it with another radio, this was only a backup HF radio and used for VHF. $900 shipped to the lower 48. Paypal, Zelle or money order. Also comes with sales receipt from R&L Electronics. New condition.
- Listing #1735491 - Submitted on 07/08/25 by Callsign W2NER - IP: 126.216-16-184-net.sccoast.net
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- TEST - BIRD 2500 WATT DUMMY LOAD
- I have available for sale a BIRD 2500 watt dummy load, model 8890-300. This is rated at 2500 watts CONTINUOUS DUTY - - no time limit at 2500 watts. It currently has an N female connector on the load, but I can change that to a UHF(SO-239) or an HN if you prefer. The load's SWR is under 1.1 at 1 GHz, and under 1.3 at 2.4 GHZ. It has the Shipping plug installed. The Breather plug is included, and attached to the Shipping plug with a short chain.
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My asking price is $1200 plus shipping, or I can deliver it to you at any local hamfest. This is very heavy, almost 60 pounds, so shipping will be expensive. In early August, I will be driving from Maryland to Connecticut, so if you live along this route ands can wait, I can deliver this load to you, and save you the shipping.
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More pictures available.
- Listing #1734074 - Submitted on 06/25/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - AEA MM-3
- I have available for sale an AEA MM-3, known as The Morse Machine. It is in good physical condition and it work perfectly electrically; It comes with a downloaded/printed manual. $125 plus shipping (to the USA only.)
- Listing #1735189 - Submitted on 07/06/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - HY-GAIN LOWER MAST BRACKET - REDUCED
- I have available for sale 2 Hy-Gain lower mast brackets. These are in average used condition, and each comes with the mast clamp plate, but no U-bolts or screws. $50 shipped for either one. Or, both for $85 shipped.
- Listing #1734823 - Submitted on 07/02/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - BIRD COAX SWITCHES - REDUCED
- I have available the following BIRD coax switches.
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Shipping to USA ONLY.
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1. Three each model 74, 6-position switches. These 3 all have the BIRD tear-drop shaped knob and dial plate. $175 shipped for one, or $335 for 2 shipped, or all 3 for $485 shipped.
2. One BIRD model 74 coax switch, with NO KNOB and NO DIAL PLATE. $135 shipped.
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If you want ALL 4 of the switches listed above, the "package price" is $595 shipped.
- Listing #1735490 - Submitted on 07/08/25 by Callsign K3DUA - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - BIRD WATTMETER & ELEMENT CASES
- I have available for sale a very good condition leather case for the BIRD 43 and 6 elements. (see picture) This case is priced at $75 shipped in the USA.
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I also have available a smaller BIRD case that holds 12 elements This case is priced at $55 shipped in the USA.
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If you would want BOTH cases the combined price is $120 shipped in the USA.
- Listing #1734468 - Submitted on 06/29/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - LARGE FEED-THROUGH INSULATOR - REDUCED
- I have available for sale 10, new very large feed-through ceramic insulators. The ceramic is 2 inches in diameter (at the middle) and the ceramic is 4 inches end to end. The bolt extends 3/4 of an inch at each end - - the total length of the bolt is 5-1/2 inches. This mounts through a panel, and it requires a 1-1/4 inch hole in the panel. I have 10 available. I want $15 shipped for one insulator. 2 for $25 shipped. 5 for $55 shipped, or all 10 for $100 shipped.
- Listing #1735489 - Submitted on 07/08/25 by Callsign K3DUA - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- TEST - F/S BIRD ELEMENTS FOR MODEL 43
- I have the following used, and tested, BIRD (or Coaxial Dynamics equivalent) elements available:
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SHIPPING IN USA FOR ONE ELEMENT IS $7. ADD $1 FOR EACH ADDITIONAL ELEMENT.
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BUY 4 OR MORE ELEMENTS AND SHIPPING IS FREE.
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0.45-2.5 MHz
- 1000P, 5000P, 10000P - $135 each
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2-30 MHz
- 100H - $135
- 250H - $135
- 2500H - $175
- 5000H - $175
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VHF & UHF elements - - $45 each
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25-60 MHz
- SOLD
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50-125 MHz
- 5B, 10B, 25B, 50B, 2500B(PEAK), 10KB(PEAK)
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100-250 MHz
- 5C, 10C, 25C, 50C, 100C, 250C
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200-500 MHz
- 5D, 10D, 25D, 50D, 250D
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400-1000 MHz
- 5E, 10E, 25E, 50E, 100E
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Other BIRD 43 elements such as low power (1 and 2.5 watts for VHF & UHF), microwave (above 1 GHz), Sampler elements etc available - - inquire.
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SEND ME YOUR WANT LIST.
- Listing #1734469 - Submitted on 06/29/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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- MISC - EUROPEAN TUBE AUDIO AMP - REDUCED
- MAKE AN OFFER - - MAKE AN OFFER
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Here is an estate find. This is an all tube audio amp (2 6J1/6AK5 input buffers, plus 1 FU32/832 output stage.) Here are the specs I found online:
- Assembled, solder free
- Driver tubes: 6J1x2PCS
- Power output:3W+3W at 8ohm
- Frequency response: 30-40KHz(+-1dB)
- Input sensitivity: 550mV
- Signal-to noise-ratio:-80dB/3W
- Input power: 85-264VAC
- Power consumption: 40W
- Input impedance: 10K ohm
- Output impedance: 8ohm,6ohm,4ohm
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The tubes will be removed and put into a separate box for protection.
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Excellent physical condition, but not tested.
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$89 shipped in the USA
- Listing #1735320 - Submitted on 07/07/25 by Callsign K3DUA, Modified on 07/08/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net
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