TA-0327: Bremi BRL-200 Linear Amplifier - Open and Test

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Found a second hand Bremi, always wanted one, let's see if it works.
We open the box and see them glow :)
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#bremi #brl200

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12 сен 2024

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Комментарии : 46

@M5AXA Год назад

Nice video Tony and I share you excitement and nostalgia seeing a Bremi after so many years. When CB radio was around here in the UK I was only a teenager with little money. As money in the 1980s was generally tight my local CB radio shop would rent out a Bremi for the weekend for little money and I would stay awake for the entire Saturday night using the CB radio to capture long distance DX contacts with the 100 watts. I remember thinking that the 18 feet (5.5 meters) antenna I was using might turn black due to the 100 watts which seemed a crazy amount of power when most CB radio's here in the UK were only capable of around 4 watts maximum.

@TonyAlbus Год назад

Yes great stories Ian, thanks for sharing. yes 100 Watts was crazy in that time. here also 0.5 or 4 Watts. (good times of fun)

@renepc2c937 Год назад

Great to see this device again. My mind goes back to the early '80s. Many Italian CB stations worked in RTTY (highly illegal, but a lot of fun)

@TonyAlbus Год назад

Thanks, yes also, lots of power lots of echo in voice... memories :)

@davidv1289 Год назад

Very nice linear Tony. Thank you for showing it to us! Regards, David

@TonyAlbus Год назад

Thank you David, it was good fun.

@la7yka Год назад

That's a cool piece of nostalgia :) Thanks for another great video Tony.

@TonyAlbus Год назад

Thanks!..

@tonym7cvk430 Год назад

We had a BRL200 back in the 80s fantastic performance Tony, it ran most day for 2 plus years without fault always kept clean and dusted regularly. Would love one now regards Tony M7CVK

@TonyAlbus Год назад

Thanks for your story, nice to hear other people have nice memories about this too! .. 73 Tony PE1ONS

@comprotudo Год назад

Hello. This amp is from the late 70's made in Italy like for example the ZETAGI. It was a luxury to have one of these!!! Watts weren't as easy as they are today, especially with Russian tubes!! These valves were not made for emission but for deflection in TVs. They give a lot of power but are not very robust. There are several brands that used this type of valves (6JS6C, 6KDC, 6JB6) etc) such as YAESU with the FT-200, 101 etc and DRAKE with the famous twins, among others. Another time other techniques!! 73 Rodrigo

@TonyAlbus Год назад

Thanks! yes true, a luxury in that time.. cool to have, thanks for the extra information, interesting.

@grerlab2777 Год назад

Impressive... Thank you Tony for the video... It's always interesting to follow your video channel... ✌

@TonyAlbus Год назад

Thank you!

@M5AXA Год назад

Congratulation on the 7K subs Tony 🙂

@TonyAlbus Год назад

Thank you Ian!! thanks to all the viewers and nice comments, it is great fun.

@robertschip4676 5 месяцев назад

Gaaf..zo n BRL 200 had ik ook in the 90's !!

@TonyAlbus 5 месяцев назад

Ja super gaaf, ik heb er nooit 1 gehad toen, maar wilde er altijd al 1... dat is nu dan 35 jaar later :) .. maar wel weer dat spannede gevoel van savond zenden en kacheltje erbij enz,,, mooie tijd.

@robertschip4676 5 месяцев назад

@@TonyAlbus Mooie tijd man,met de President Lincoln en de BRL 200 lulde ik de wereld over..gelukkig hebben we de qsl kaarten nog !!

@TonyAlbus 5 месяцев назад

@@robertschip4676 Ja geweldig! .. ja de kaarten moet ik ook nog ergens hebben. Mr Miami was ik (geen idee waar dat vandaan kwam, Miami Vice of MiamiSoundMachine haha Later ook in de start van packet radio op 300 en 1200 baud en de C64 had ik een gateway-node tussen kanaal 24 (22alpha) en kanaal 40 met zo'n scc card hete dat geloof ik, later ging het allemaal met TNC's en 9600 baud, toen ben ik eruit gegaan ... maar veel geleerd toen, dat het digitale ook op kwam. mooie tijd.

@germanjohn5626 Год назад

The harmonics disappear with the amp on, is because the output tuning of the amplifier is a tuned low pass filter.

@TonyAlbus Год назад

Thanks, yes makes sense!

@sbelectronicaindustrial6652 Год назад

Hello impeccable video, like all greetings...!!👍👍👍👍

@TonyAlbus Год назад

Thank you!

@francisd.8129 2 месяца назад

Thanks Tony, it's a nice and nostalgic linear amp. I have one here also. Is that a 50db attenuator in between? What power can it handle?

@TonyAlbus 2 месяца назад

Thank you! yes cool old time :) i think i used the homemade RF-tab, RF sampler: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-NNKw5DLtSlU.html

@GeorgeChristofi Год назад

blooming cb dirty linears! Getting new valves for those are incredibly expensive these days. Most of the harmonics come from overdriven audio modulation. There is very little noise from a dead carrier.

@germanjohn5626 Год назад

don't confuse harmonics with inter modulation.

@GeorgeChristofi Год назад

@@germanjohn5626 indeed, but a dead carrier isn't a true test. I would have liked to see a two tone test on it on various transmission modes just to see how the thing coped with intermod.

@TonyAlbus Год назад

Cool stuff. Yes a saw new tubes ate 50+ each when lucky else a lot more. 1 tube cost more i paid for this thing in total :)

@germanjohn5626 Год назад

@@GeorgeChristofi a dead carrier is the ONLY test used for harmonics. What you want is an inter modulation test. Two totally different things. I do not believe it will be bad, did you look at the 2 meters? I did not see compression when he was driving them. Also, a 2tone test as to feeding tones into the microphone will tell you a lot more about the radio and hardly anything about the amp. If you want to test the amp for inter-modulation 2 narrow spaced RF carriers need to be used. "dirty amps" especially in CB are mostly the result of the radio / amp being over driven or miss aligned radios and amplifiers since every CB operator automatically seems to belief they are RF engineers and know all about how to "tune" a radio.. A linear amplifier will faithfully reproduce whatever it is fed, feed it a clean signal and it will output a clean signal, feed it crap and it will output crap. I my 60 years in this business, I have found that there are 2 main sources of "harmonics and splatter" a CB operator believes are the amps fault. The stronger presence of all the crap feed into it the amp, including grossly overdriving the amp and the most prevalent, simple front end overload combined with the usage of the noise blanker..

@Vladimir-hq1ne Год назад

Maybe I missed the internal Q measurements? This looks.. "not bad" ;) @15:45 - strange, seems that could be the best at "triple Triangle" abtennaes?

@TonyAlbus Год назад

Q was not done, i quess. What is that, what i need to test for you?

@charlieoscar09 Год назад

Love those AMPS Tony do you have any plans to restore it

@TonyAlbus Год назад

Hi! .. yes for sure.. i have an 2nd unit now also, that was cheaper then 2 separate spare valves :)

@charlieoscar09 Год назад

@@TonyAlbus Brilliant will inspire me to do both of mine

@dennisqwertyuiop Год назад

when i was 16 i got a sonar linear amp. 4 tubes for finals,,i would destroy s meters near by

@TonyAlbus Год назад

LOL yes soem bog bog powerrr! Wow 4 tubes..

@zdzisiek1979 Год назад

🙂👍

@TonyAlbus Год назад

Thank you!

@trx250rpuma4 9 месяцев назад

Can i run it with 10 watts in just not continuous

@TonyAlbus 9 месяцев назад

Tha manual says uoto 6 watts.. i think you can do more, but it will destord the signal.

@pa3eka 3 месяца назад

I jaar geleden zie ik Wat zal hij geschrokken zijn 200 Volt 😂

@TonyAlbus 3 месяца назад

Bedoel je dat de netspanning nu erg hoog is? soms is het hier inderdaat bijna 240V op een zonnige dag. de oude apparatuur is voor 220 gemaakt ja... het ging wel goed toch :)