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Retro Tech - Trio KA-1500 1970s HiFi Amplifier 

Retro Steam Tech
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Continuing my trip down memory lane, I managed to find a fairly good example of my very first HiFi amplifier.

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28 авг 2024

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Комментарии : 17   
@glpilpi6209
@glpilpi6209 3 года назад
I had a Trio KA 1500 MK2 someone nicked it in 1989 otherwise I would still own it today. It took an Arcam bought in the mid nineties to get the same sound quality . I did pick up a second-hand KA 601 about 15 years ago and that really is a gem and 60 watts per channel.
@EdgarRolle-xu1vm
@EdgarRolle-xu1vm 10 месяцев назад
Just bought one I had to repair it plays very good love it
@tomhatton3303
@tomhatton3303 2 года назад
This was my first amp back in 1977 too. Plenty of guts at 30wpc. Mine was driving a pair of KLH 317's. Happy days!
@j3xk72r9
@j3xk72r9 3 года назад
We all get to the age when we start to buy back what we had or dreamt of as youngsters! I still have my NAD 7020E in the loft. Kenwood marketed their stuff as Trio in the UK because of some trade mark clash with Kenwood food mixers. This was resolved in the late 80's, when they reverted to Kenwood. I think they long ago pulled out of hifi, but still market amateur radio equipment now as JVC Kenwood.
@scotttait2197
@scotttait2197 2 года назад
I had one of these ... it was badged as TRIO way before kenwood . . Mine had a funky pake blue top cover ... Great low powered amp
@TheKnacklersWorkshop
@TheKnacklersWorkshop 3 года назад
Hello Alan, Good video... I have been thinking of getting a retro system setup for the new workshop... old man, old tech & tunes, old machines, seems the perfect combination for my workshop... Take care. Paul,,
@RetroSteamTech
@RetroSteamTech 3 года назад
Hi Paul. Thanks. That sounds like a great idea, just be careful about what you have playing in the background while videoing! Cheers, Alan.
@BoloH.
@BoloH. 2 года назад
I've had one of these for about two decades now. Properly abused. It has been on almost 24/7 and not a single failure. Fantastic sound, ridiculously robust, drives two 8-ohm elements in parallel, no problem.
@RetroSteamTech
@RetroSteamTech 2 года назад
They are great aren't they. Also, even back when they were new very good value for the money. Good to know that there is another one out there still giving good service 👍🙂
@txlabmansteamtoysmore4980
@txlabmansteamtoysmore4980 3 года назад
A nice stroll down memory lane Alan. My first high fi system (bought in 1978 with my twin brother) was a Kenwood Amplifier, Technics Turntable and Advent Speakers. I also had a Radio Shack 8 Track player. My twin brother still has the speakers.
@RetroSteamTech
@RetroSteamTech 3 года назад
Hi Charlie. I was pleasantly surprised at how nice it still sounds. Looks like we both started our HiFi journey at the same time 🙂 Cheers, Alan.
@colinsalter3516
@colinsalter3516 3 года назад
I had a trio amp years ago . It was brilliant !
@RetroSteamTech
@RetroSteamTech 3 года назад
Hi Colin. Yes it still is, for a basic transistor amp it produces a really nice sound.
@ianbertenshaw4350
@ianbertenshaw4350 3 года назад
Even though the caps look alright it would be worth the trouble to re cap it -not all bad caps show up as bulging, also any semis that are on a heatsink - re mount them to ensure that the heat conductive medium is working .
@RetroSteamTech
@RetroSteamTech 3 года назад
Hi Ian. You are right, I should really do a full re-cap and remounting the power transistors with new heatsink compound is a good idea too.
@scotttait2197
@scotttait2197 2 года назад
@@RetroSteamTech as an electronics engineer i would check the Equivalent series resistance (ESR) before going down the recappp route ... tje cars in these where generally decent but like most if the era time hasn't been kind
@JonLawes79
@JonLawes79 2 года назад
@@scotttait2197 Mr Retro Steam Tech was an experimental aircraft electronics engineer..... He's got this.
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