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I have done it several times.Re-wire to 24LQ6 & 31LQ6. Also replacing the Tank circuits etc. Check out my current project. Converting a 12 tuber to a Warrior. FedEx will be 53.00 each way. PM me on this forum. Two versions of 12 tuber exist. Possibly more. I have both. The 2nd version sits in...

I want to verify the answer's on this online calculator. http://www.mycircuits9.com/2012/06/bridge-rectifier-calculator.html I'm also confused...{onset of RF dementia possibly} ....How to calculate the output KVA of this transformer. 120AC line volts at 3KVA. Output is 480 - 480. What is the...

Monster Audio High pass & low pass filter at the Audio out lead of the mic element. The filters will dampen audio peaks at the source. Especially the vowels/base voice sounds. Noise canceling mobile mic The best bar non and heap of lies for many decades. Shure 557B. Compressor audio...

Alternatively. Keep an eye on FleecBay. They turn up much cheaper than RF greed. Unfortunately. RF greed might be bidding against U on fleabay. . In fact. I have stored in the garage a small number of Tosh 10x 2290 pluss tosh 8x 2279. Lost track years ago which box they R in. This summer...

1600cc traverse mounted 4 cyllender engine. Forgot the MM width. The pulley's track only accomodate's perhaps .40 inch width of serpentine belt. No stock Belt tensioner. Spent several hours at the local U pull it salvage yard to see if I can come up with a custom solution for a Belt...

What is the rating in Amps of the "High output" alternator. What is the Amps at idle ? RPM of engine ? What is the diameter of the pulley on the alternator? What is the size of the engine in your platform ? HP at idle ? What is the width of the serpentine belt ? What voltage regulator is...

HG 2SC2290 Hmmm. Never forgiven RF parts for buying up all the stocks of M-2057. Then skyrocketing the price to the stratosphere. They did this with 8950 also. I buy NADA from them...

Been busy. Some time tonight. All day tomorrow. However. Skip has been coming in. Want to take a digiscan off of a TRC 449 & put it on the Teaberry Stalker + a new Motorala noise cancelling mic & a compressor + Low pass/high pass filter on the Mic.+ 7.8mhz ladder filter istalled on the...

Cool. The gauge of the black wire might be too small. Generally. If U use 1 gauge red. Black "Return" is a larger diameter like O gauge. " When installing an aftermarket car audio system, having the correct wire connections is very important. The right cables and wires ensure that the...

Hmmm In my experience. A small RF mobile amp. That is connected properly to the DC. Coax to the antenna. Good condition. PL-259 connectors that the ground in the coax is soldered properly. Or if the cheapi crimped on tight. PL-259 super hand tight on the radio all the way to the back of the...

Hmm, If U need to keep it simple. & a quick installation. The 250 is a good choice. My recommendation. #1 Marine grade #6 gauge wire hookup directly to the + battery. Negative can be shorter to a solid spot on the auto chassis. #2 Strap a Strong High CFM 12v fan to the bottom of the heat...

Finally a bit of time to put into this project. Decided to save the 2 x 2KVA iron for my Maco Kw+ that needs a new bigger PSU. The case will be out of wood scraps & plywood. Will remember to bring a digital weight scale to workshop soon & take pictures. Making the case out of wood is the...

Prefer vintage sweep tube Amps.....but. May build one from scratch using surplus Putin ceramic tubes. Or even hand-me-down 3CX3000A7.

Tried several times to edit the previous post. G1 is not the Control grid of a tube. It is G3. G1 is supressor. G2 is the screen. G3 is where negative bias voltage is applied . Google is ur friend ! If U want to know why-what grid voltage does or how it functions ! Possibly tomorrow. Can do...

Can'not go too long without gasolina into the 3/4 wave FireStick in my car. No. 220uf uf in parralel series. Too much soldering. Six yields aprox 144uf. This is better. 3x1000uf ! In series 333uf. When I shorted the new caps to chassis ground. Boom. As loud as a firecracker ! lot of reserve...

Forgot my camera in the garage. Upload on next post. Good luck ran out. The electronic Gremlins popped out of no-where. Just as I am ready to test my hypotheses. Less back swing on keyup when I enunciate vowels. Arcing at the High Voltage bridge. Very bad spot on all versions of Phantoms. Then...

Think got this photo upload shtick straightened out. LOL. Today wired in another regulated DC supply off the extra fillament to run small DC fans. Couldn't find the box of fans. Getting cold. Improvised. Took apart an ancient computer PSU. Perfect size AC fan. Tested the setup. Ugly. Crude...

As you can see in the photos. The 4th iron is installed. I think the handles are in the pics. It is heavy ! The much needed soft start inrush current limiter. is Installed. It is my design. Using 2 off the shelf modules & 1 DIY module. 2 Thermistors. A few more pics of this circuit. Up on...

Congratulations; U R on your way to becoming a Golden Screwdriver ! Here is a short list that will speed up the process of resurrecting the Maco. 1) 2x Driving 5 five. Fogetabout 2x6 2) GG AB1 grounded grid Class AB1 no grid voltage at G3 G3 is grounded to chassis Note....It is not...