CA-2000 - Sansui Preamplifier One Of The Best Vintage Preamps. Stereo Repair Restoration Testing.

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A Sansui CA-2000 stereo preamplifier repair and restoration video. This CA-2000 vintage stereo preamplifier is one of the most highly regarded products ever produced by Sansui. This was a top to bottom repair and restoration that after 40+ years of service this vintage preamplifier needed. This Sansui CA-2000 was in pretty good cosmetic shape when I obtained it but it needed the old electrolytic capacitors, troublesome diodes and troublesome transistors replaced.
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26 июл 2024

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Комментарии : 53

@kkoller8952 4 года назад

I just love this old Sansui equipment. Not only is it pleasure to listen to but a pleasure to work on due to its modular design! No wire-wound and solder to pin interconnects here mainly modular plugs between circuits. I myself have a AU-7900, AU- 717, TU-717, two 7070s, and an 881 in the queue to restore. Thanks for all the great videos!

@vintageaudioaddict 4 года назад

Your welcome and thank you for watching. This equipment brings back some great memories. You also have some great Sansui gear! I still have my TU-717 from when I was a teenager. Oh that's right.....It's in the video, LOL. Thanks again!

@kkoller8952 4 года назад

@@vintageaudioaddict Hi just wondering do you have a link showing a list ofvthe types of capacitors you use and were certain types should be used? Such as using audio grade in signal paths but not as work caps as in power supply's or protection circuits because that would be a waste. Any help would be appreciated.

@margeharrison7638 4 года назад

i remember these pre amps when they were new...............still awesome!

@vintageaudioaddict 4 года назад

Yes, they are still going strong.

@mitfreundlichengrussen1234 4 года назад

Primo. Thanks for sharing - I´ve been waiting for that.

@vintageaudioaddict 4 года назад

My pleasure! It's partner the Sansui BA-5000 power amp video should be up later this week.

@mitfreundlichengrussen1234 4 года назад

@@vintageaudioaddict This is the exact combination I still consider to buy - what timeless beauties and BA´s punch is unforgettable. We had one running in the 80ies powering a smoky room of maybe 25 square meters - those were the times

@alphonsowalls630 Год назад

Keep up the good work

@joemartin6439 2 года назад

Would about all the resistors and transistor thank goodness u changed the dios. What a simple job. That you Johnnie

@AudioElectronicsChicago 4 года назад

Beauty!

@vintageaudioaddict 4 года назад

Thanks!

@insolentstickleback3266 2 года назад

👍🏻💥👍🏻🤍 Thank You!

@chefbink61 4 года назад

What a lucky guy!! I would love to get my hands on one of these for a restore!!

@vintageaudioaddict 4 года назад

Thanks Dr, I got this this along with a Sansui BA-5000 for a Christmas present. You know your with the right woman when you get this stuff for Christmas! LOL.

@charlesross9260 4 года назад

I was stupid enough to sell my Sansui gear many years ago. What a dumbass.

@saxmidiman 2 года назад

I have one. Want it?

@chefbink61 2 года назад

@@saxmidiman Really ,,, condition and what are you asking looking to sell it for?

@saxmidiman 2 года назад

@@chefbink61 Hi, I just pulled it out of the closet and hooked up my turntable to it and it is working great! I may put it on eBay. not sure.

@RickMahoney2013 4 года назад

Maybe one day you can show us what a bad solder joint looks like, thanks

@vintageaudioaddict 4 года назад

First of all thanks for watching and for commenting. The video of my CA-2010 shows some bad joints. You can find it here - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-20D4R7zQzhU.html

@dednside5229 4 года назад

It's funny the coverage new Chinese equipment gets When videos of the classics go unnoticed... I'd love to see a classic shootout Sony Esprit Pre vs Sansui Pre .... All The classics go head to head I bet most new gear gets owned as well

@vintageaudioaddict 4 года назад

You and me both! The vintage gear can compete!

@user-yy1qs3vl6t 3 года назад

классный усилитель

@robertweinmann9408 2 года назад

I own one of these. Bought it in Japan in 1978 along with a BA-2000 and TU-717. I would really, REALLY like to know how to disassemble the big Alps volume pot to clean it as it's getting a bit noisy. It's completely sealed and unobtainium afaik.

@keeverotter 3 года назад

I've got a TU9900 if anybody is interested...hasn't been turned on since the 80s but was awesome back then

@wakjob961 4 года назад

I would like to see a video of your process of ordering parts... Do you just sit down with the schematic and start ordering? I have to actually see the parts... I need to measure lead spacing on caps ect... At nearly $8 shipping for a typical Mouser order, I hate when I miss something and just need another part or two.

@vintageaudioaddict 4 года назад

No, I just start the project. I work on so many units that I normally have all of the parts in stock except the filter capacitors as they vary in sizes and values between units. The physical size of the modern parts are almost always smaller then the originals so fitting them in is not normally an issue. Not sure if this will help but I did a video on finding parts - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-todxFu1c0H0.html

@joemartin6439 2 года назад

I am saving large as a Canuck.

@roms4277 Год назад

Hi, this preamp will be a good combo with Sony ta-n7b power amp and Focal electra 907be speakers ?

@supernovaf1 4 года назад

Great video but would have been nice to see longer views of the sides and don't think we saw the back of the preamp in this one.

@vintageaudioaddict 4 года назад

Thanks! All of the inputs are on the side except the pre-out jacks.

@dwoodog 4 года назад

The red and green, think they're called film capacitors, do you change those ones too?

@vintageaudioaddict 4 года назад

Not usually in most equipment.

@renealmeida7972 10 месяцев назад

Beutifuul machine from 19 78

@JacobMendozaArellano Год назад

Gracias por tu información pro nada como mi amplicador Sansui AU - 919 el cual continúa funcionando de maravilla con sus dos decks SC-5330 y SC-2110, su tornamesa FR 'Q5 y su tuner TU-S9

@abmia77 2 года назад

Hi,beautiful unit.What would it cost to service? I picked one up this morning with a pair of BA -2000”s.They all work but the CA is a scratchy.Thanks

@vintageaudioaddict 2 года назад

Thank you. I'm a hobbyist not a professional. I only work on equipment from my collection.

@abmia77 2 года назад

@@vintageaudioaddict Thanks for the response.That has to save you tons of money.I’m more concerned with the preamp,the amps seem to work and sound wonderful.Any suggestions are far as cleaning the pots myself,anything else I could do that won’t zap me into orbit?

@alphonsowalls630 Год назад

I have a Crown IC 150 pre amp and D150 power amplifier 1970 the classics 2space or 3space rack mount l thinking about changing the power compactor

@alphonsowalls630 Год назад

Class AB power amplifier a nice studio pre amp

@20dasauto10 4 года назад

Hello, I know you know your stuff. My amp has that dark corrosion layer on the flat buttons. What kind of solution/ cleaning method do you recommend? Thanks!

@vintageaudioaddict 4 года назад

Usually warm water and dish soap will get most of the crud off. A Q-tip works well to clean around the flat buttons.

@SCVintageAudio2023 4 года назад

Are you selling this pre amp ? Pls let me know

@saxmidiman 2 года назад

I just pulled one out of my closet. Thinking of eBaying it.

@TS-ij6if 3 года назад

Not so fast, this and 9900, 11000 have the unobtainable SA278 paired transistors in the EQ Amp section often gotten noisy. There are a lot of talks on forums about how to replace them...

@CassioT 3 года назад

I couldn't find anything. Could you share some links?

@milo963 Год назад

2SA798 five legged monster is junk, replace with gain matched KSA992 with the emitter in a common hole.

@cougar1861 4 года назад

On the assumption that the original (40+ year) transistors are no longer made, could you give the sources you rely on for substitutes, especially those who provide cross-reference lists. Thanks.

@shaun9107 4 года назад

30 years later....., This amp is 70 years old

@maxkady9478 4 года назад

The krell gear from the early eighties destroys this stuff. Dan d’agostino is a genius. His class A amplifiers are incredible. So are his preamps. Sansui sounds too bright compared to his stuff. It’s nice to look at though.

@vintageaudioaddict 4 года назад

Thanks for sharing.

@roms4277 Год назад

I changed my Krell ksa-100 by Sony ta-n7b 😊