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Linear Amplifiers Videos

Ameritron Al-811H Linear Amplifier Demonstration by K1OIK
Ameritron Al-811H Linear Amplifier Demonstration by K1OIK

Demonstrating tuning and operation of the Ameritron AL-811H.

Home Brew GS-31B HF Linear Amplifier
Home Brew GS-31B HF Linear Amplifier

This is a short video of my GS-31B HF amplifier working. It still needs a few finishing touches like labeling all the LEDS, recaling the voltage scale on the...

Maco 200 Linear Amplifier
Maco 200 Linear Amplifier

This is available for sale. On the bench is an old Maco 200(b) Base Station Linear Amplifier. It uses 4 very hard to find and expensive 8950 tubes, 1 driving...

Alpha 9500 Linear Amplifier by IV3YER
Alpha 9500 Linear Amplifier by IV3YER

Alpha 9500 Linear Amplifier by IV3YER.

HF Linear Amplifier High Voltage Power Supply - First switch on!
HF Linear Amplifier High Voltage Power Supply - First switch on!

Switching on my HV power supply for the first time. I filmed it incase of some fireworks, but thankfully, there was none! More photo's & information at: http...

Vacuum tube or HF linear amplifier "home made"
Vacuum tube or HF linear amplifier "home made"

This video contains photos soviet tube and linear power amplifiers HF in performance amateur radio.

Heathkit HA 14 Linear Amplifier tutorial
Heathkit HA 14 Linear Amplifier tutorial

Full HA 14 Specifications are midway down in the text. David Larsen KK4WW LCF School LCFSchool I obtained my first amateur license WN7VZW in 1953 and have be...

Linear amplifier repair
Linear amplifier repair

TX 2250 Linear amplifier. Possibly made by Palomar. This amp appears to have a bad relay as it stays engaged in TX mode.

Acom 1010 Linear Amplifier
Acom 1010 Linear Amplifier

Testing a Bulgarian Linear Amplifier Acom 1010. 75 Watts drive the amp. so the power output is 900 Watts. It uses 1 Tube 4 CX 800 (GU74B) from Svetlana. This...

Palomar 90A Ham Amateur Linear Amplifier
Palomar 90A Ham Amateur Linear Amplifier

This is available for sale. Quick vid of the Palomar 2 tube model 90A amp from the 70's. It is a 5 watt drive 100 watt out (with good tubes) 1 piece amp. Act...

3000 Watt CB Linear Amplifier
3000 Watt CB Linear Amplifier

This home brew amp put out 3KW the first time it was fired up. After tuning and a few mods it eventually did 5KW on the 11 meter CB band. It was created for ...

Two late model D&A linear amplifiers Phantom Dual Power & PDX-400
Two late model D&A linear amplifiers Phantom Dual Power & PDX-400

Well I failed to make the video short. The Phantom has a new home with a friend who is a responsible operator. The SSB delay is running all the time in these...

Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased
Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased

Here it is my friend. I know that you are enjoying it from the reports that I have got from you. Sorry I meant to upload this video before I sent you the uni...

Linear Amplifier AB Biasing
Linear Amplifier AB Biasing

Here we have a 6pill (2sc2879) with an AB biasing circuit. Amp comes loaded with Single Side Band and preamplifier. Amp only requires about 90 watts of drive...

Palomar 500 linear amplifier aka 35a
Palomar 500 linear amplifier aka 35a

Nothing special, just a small amplifier that is a personal favorite of mine. I've owned a ton of them and along with my pridedx300 they have proven to be som...

600w MRF429 Linear Amplifier Initial Testing
600w MRF429 Linear Amplifier Initial Testing

This is a Linear amplifier module i have purchased from eBay.There are two amplifiers per module using two MRF429's in Push-Pull per amp.They are normally us...

Mohawk 10 572B tube Linear Amplifier
Mohawk 10 572B tube Linear Amplifier

Old school 2 tube linear amplifier pretty much made for CB back during the CB boom, the Mohawk 10-4a. This one is a High Drive has just the two 572B's and do...

572B Breadboard Linear Amplifier
572B Breadboard Linear Amplifier

An experamental 'Breadboard' Linear Amplifier for 80m, using two 572B tubes.

Linear amplifier
Linear amplifier

Elite Line TX 2250 Linear amp engages on power up without key down on CB. Transistor needs replacement in TX section. Thanks to Wildcat2488 for the advice. N...

813 linear Amplifier
813 linear Amplifier

2x813 linear amplifier that I built. PLEASE NOTE THAT THIS AMPLIFIER WAS TUNED INTO A 1KW DUMMY LOAD AND NOT CONNECTED TO THE ANTENNA.THE FREQUENCY ON THE TR...

How to install a CB radio and linear.
How to install a CB radio and linear.

The correct way to install a 2 meter or 10 meter radio with or without a linear. I'm just a truck driver that likes to play with these on the side. I am not ...

Pride dx-300 linear amplifier
Pride dx-300 linear amplifier

This one was sold, but have 1 more left, different face. Infamous Pride DX -300 linear amplifier on the bench. Single 4cx250b tube, tuned input, large relati...

CB to 10 Meter Conversion, Linear Amplifier
CB to 10 Meter Conversion, Linear Amplifier

CB to 10 Meter Conversion, Linear Amplifier, Beacon Project.

Custom 1x2879 Gatekeeper Driver Linear Amplifier
Custom 1x2879 Gatekeeper Driver Linear Amplifier

Just another build to add to the collection.

HF Linear Amplifier
HF Linear Amplifier

FET HF linear amplifier based on Mitsubishi RD16HHF1.

572b linear amplifier power supply
572b linear amplifier power supply

The next installment of my 572b linear amplifier documentary is the power supply and modified microwave oven transformer. This is a universal design and coul...

Gatekeeper 2x2SC2879 Plastic AB Biased Linear Amp
Gatekeeper 2x2SC2879 Plastic AB Biased Linear Amp

Here is another plastic build. I went ahead and decided to AB Bias this bad boy to make up in value for it not being in an metal enclosure. I think that even...

PRIDE 100 Linear Amplifier
PRIDE 100 Linear Amplifier

PRIDE 100 Linear Amplifier. Nice little 2 pill 100w amp. Made on September 25th 1975 (according to date on pc board ) This amp puts out 80w max, whit about 2...

Black Cat JB-2000 linear amplifier
Black Cat JB-2000 linear amplifier

The infamous Wawasee Black Cat JB-2000 linear amplifier on the bench. This is the model 10 (10 meters). It has a 6ca7 driving (2) 3-500z's. The driver is sho...

Black Cat  Wawasee JB-440 modulator linear amplifier in action
Black Cat Wawasee JB-440 modulator linear amplifier in action

Sold. Demo of the very very hard to find Black Cat model JB-440 linear amplifier. From what little info I know (or don't know) : Black Cat was just starting ...

Homebrew Linear Amplifier - Pair of 3-500's
Homebrew Linear Amplifier - Pair of 3-500's

This was the homebrew 3-500 linear amplifier that I built and used in my Massachusetts shack. It was built overkill and for the 75 meter band and AM use only.

D&A PHANTOM LINEAR AMPLIFIER
D&A PHANTOM LINEAR AMPLIFIER

10 TUBE PHANTOM, I BOUGHT THIS BRAND NEW BACK IN THE DAY. IN BEAUTIFUL CONDITION! SHORT VIDEO WALK-THRU.

Icom 4kL linear amplifier test
Icom 4kL linear amplifier test

This is a test of an Icom 4KL ham radio linear amplifier. These amps at no longer made. At the time they wet made that sold for $7000. Very nice very high qu...

First few contacts on homebrew 572B linear amplifier
First few contacts on homebrew 572B linear amplifier

Not quite finished, but operational. Plate current meter is on the top, grid current below. Plate voltage is 2400v. Drive is about 40w. Output is just under ...

3-500 'Breadboard' Linear Amplifier
3-500 'Breadboard' Linear Amplifier

3-500 'Breadboard' Linear Amplifier.

Unboxing the Alpha 8406 Linear Amplifier
Unboxing the Alpha 8406 Linear Amplifier

Unpacking the Alpha 8406 full legal power limit, 6 meter linear amplifier.

KRIS POWER PUMP LINEAR AMPLIFIER
KRIS POWER PUMP LINEAR AMPLIFIER

This is a very clean KRIS "Power Pump" Linear Amplifier, which was acquired from a retired radio/electronics repairman's estate. The tubes are (2) - 6LQ6 and...

The GONSET GSB-201 Linear Amplifier.
The GONSET GSB-201 Linear Amplifier.

A quick overview of the Gonset GSB-201 Linear amplifier and the associated problems with it..

Maco 75 modulator linear amplifier
Maco 75 modulator linear amplifier

Just a quick video of a Maco 75 modulator. It is a 1 tuber and uses a M-2057 tube, but do to cost of the 2057, I stuck in an 8950 tube. It works and has good...

LINEAR AMPLIFIER      MODEL.- LA-1000     AMP SUPPLY CO.
LINEAR AMPLIFIER MODEL.- LA-1000 AMP SUPPLY CO.

Testing a linear amplifier. Mark = Amp Supply Co. Model = LA-1000 Regulated to 500 watts - high peaks.

Heathkit SB-220 Linear Amplifier
Heathkit SB-220 Linear Amplifier

The Heathkit SB-220, two 3-500Z, amplifier made a notable impact in the world of amateur radio when it debuted in 1975. It was the first, reasonably priced, ...

e.c.i. Linear Amplifier by Courier matches the eci 1M CB Radio
e.c.i. Linear Amplifier by Courier matches the eci 1M CB Radio

Rare amp made by e.c.i. using a single 6146. It dates from the early 1960's and seems to have been offered as a matching piece to the rare triple conversion ...

CB Radio Install
CB Radio Install

A quick overview of my install of a Galaxy DX 959 CB radio, 102" whip and Palomar linear amp. The radio and amp power is run directly to the battery. The ent...

Browning Golden Eagle 180 Linear Amplifier (Mark 3) version
Browning Golden Eagle 180 Linear Amplifier (Mark 3) version

This is available for sale. Browning Golden Eagle Model 180 linear amplifier. This one matches the Mark 3 radio. They did make other 180's that matched the M...

Harris RF-110A  HF Linear Amplifier Operational
Harris RF-110A HF Linear Amplifier Operational

RF-110A operating with input drive, monitoring the output on a scope and power meter.

Amp Supply LK800A Linear Amplifier TEST
Amp Supply LK800A Linear Amplifier TEST

This is a test of a LIKE NEW Amp Supply LK800A Linear amplifier. This amp runs 3 x 3cx800a& Eimac Cermaic Triodes. This is the DESKTOP unit with NO external ...

Amplifiers switching vs linear power supplies
Amplifiers switching vs linear power supplies

Alpha 9500 Linear Amp at Dayton Hamvention
Alpha 9500 Linear Amp at Dayton Hamvention

Alpha 9500 linear amplifier demonstration at the 2008 Dayton Hamvention.

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