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I am looking how to identify the wiring coming out of a D&A Phantom transformer. I am going to try and use this transformer in a Apollo 500 amp that I have that fried transformer. I see 2 reds, 2 greens ,grey, and others. Thanks

I have 2 SB220 amplifiers. SB220 number one when I put some drive to it every now and then it sparks at tune capacitor. It will make a hum or spark and meter shows 2000 low and 3000 high . It does not spark or hum every time and works great other wise.... Any suggestions to problem????? The...

I have a Apollo 500 and the transformer is bad it is a 1300v can I replace it with 2 transformers out of a D&A Phantom they are around 850v i believe. Here is one from Apollo.

I have a friend that the transformer went out in his Drake L4b amplifier. It has two 3-500z tubes in it. Is there a after market transformer that will work in it? Or does anyone have one? Thanks

A friend has a Palomar 300 linear amplifier when he plugs it in a recently installed GFI it will trip it so amp will not get power and work. The amplifier has been taken to my home and plugged in a regular outlet and no problem. Is the problem the GFI wiring or is amplifier not wired correctly...

I picked up a Icom IC-746pro and as I am using the VFO tuner it skips numbers. If I mess with it I can get to channel frequency I want to. I have seen used VFO encoders on ebay would replacing encoder fix my problem??? I also read that these radios do have problems , it is worth the 125 dollars...

I just picked up a Ameritron AL-80b amplifier today. It does not have a marking for 10 meters what can I do to use it on 10 meters.Thanks

I have a apollo 500 linear amplifier that in hi or low power I get a pop and spark from relay when keyed. No power loss. I have cleaned the relay but did not help. Any ideas on problem. ??

I picked up a Triplett 3444-a tube tester it did not have roll chart holder or tube chart in it. I bought a book off ebay that shows operation and has tube chart but quite a few tubes not listed like 8950. Any opinions on this tester? The GM kob also does not zero but tester does work but so...

Does anyone know where i can get a meter for my SB-200.? The one in it does not work and the cover is busted.

I bought a Yaesu 101E a couple of days ago had a power cord pluged into it . I went home and plugged radio in and poof smoke big time. Replaced 2 capacitors and a board copper ribbon going to them. I believe some idiot wired the power plug for 12v and put a 110v plug on cord. Here is a picture...

I have a Gizmotchy 3 element beam and a Jo Gunn Smoking Gun 2 element beam which one of these is the better beam . I am putting it up on a 40 foot tower? I like how heavy duty built the Jo Gunn is but Gizmotchy is a 3 element. Their specs are pretty close.! Opinions please??

I have a Gizmotchy 3 element beam and a Jo Gunn Smoking Gun 2 element beam which one of these is the better beam as far as skip or local talking. I am putting it up on a 40 foot tower? I like how heavy duty built the Jo Gunn is but Gizmotchy is a 3 element. Their specs are pretty close...

I picked up a Yaesu Ft107m last week and I plugged it in 110v and turned it on nothing comes on or shows any power. I checked fuse OK and power switch it was ok. It looks to be in very good condition. What is the next place to look? Thanks

I picked up a nice SB200 as i hooked everything up including a foot pedal to key amp i found out that it does not key up. I already know of the high voltages in this amp so i am being very careful and am ordering a high voltage probe to plug into my Triplet meter and MM-1 heathkit meter to check...

I picked up a beautiful Tram 201 replaced some tubes and BA board fuse and it works great. Trying to line up Vfo better but when do it I get no zero beat to help. What do I need to look at> I built a freq counter that works so I know where I am at on Vfo but would like channel numbers to line up...

Well I just passed the test for my Technician License last week and I bought a Icom 737 and just my luck it does not work right on SSB. When on SSB it will act like frequency is jumping. When I tune everyone in with rit and pbt till they are clear after a few transmits people will go micky mouse...

I picked up a Maco 200 and it was a mess underneath someone screwed the keying circuit up and ended up putting a toggle switch to key relay. I replaced the bad components and got it keying but relay chattered constantly. I then put a capacitor across relay it stopped the constant chatter but...

I have a Dak IX works good transmits on all 40 channels. It receives good on all channels except channels 1-13 all of these channels do not receive just a muffled sound . Any ideas on what to do ??? Thanks

I have a Golden Falcon Model 150. It is a 3 tube amplifier but the tubes are missing. It has 12 pin sockets I have tried but cannot find any info on internet on what tubes are supposed to be in amplifier.