SAE 2400 Stereo Power Amplifier - Repairing, Restoring, Testing. Great Vintage Amp From The 1970's.
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- Опубліковано 23 вер 2021
- This video discusses the restoring, repairing and testing of a vintage SAE 2400 stereo power amplifier The SAE 2400 power amplifier is a fine example of the golden era of old school stereo equipment. Being designed and built in the USA this SAE 2400's 200 watts per channel into 8 ohms is more then enough power for most speakers and the people who listen to them. I'm never disappointed with this SAE amplifier when I have it installed in one of my systems.
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GOOD TIME TO 1970's ! BEAUTIFUL FACTORY SAE shentific audio electronic BEAUTIFUL REPRODUCING MUSIC! TANKYOU !
One of late James Bongiorno's masterpieces. I still own a 2201 that I bought brand new and a completely restored MK31b, I revere both and both rival much more expensive contemporary power amps. I'm also proud to own James' last masterpiece, the Ampzilla 2000.
Thanks for sharing! So many great audio products were produced back in the day.
Some loved McIntosh, but I loved SAE. I have an 8000 FM tuner, most of its life, it's been ON. Built like that 2400....a tank,,,with specs that LASTED, unlike this stuff they peddle today. My late friend Don, had the 300/channel model. Love those "air conditioner" cords they used. She could pull some current when needed
Yes, when I first saw the power cord I thought of a electric dryer.
Beauty, we don't see these anymore
I love your video's ! Repair and the right maintenance for this exellent audio gear !!
Thank you very much!
Another cool video of an amazing piece of equipment!
Thank you very much!
My favorite amplifier in my life. I feel bad that I sold it in the 90s. It effortlessly ran my Gale 401c's with the chrome endcaps. Best overall system ever. Still have the Gales, they need some attention. Great video about a great amp.
Thanks for sharing and thank you for watching.
@cjay2 how about
🥇PIONEER SX 1980* 💗💪💪💪
🥇YAMAHA 101M* 💗💪💪💪
🥇MARANTZ SM 1000* 💗💪💪💪
🥇ROTEL RB 5000* 💗💪💪💪
🥇SANSUI BA 5000* 💗💪💪💪
ABSOLUTELY CAN "SHAKE" YOUR
WORLD!!!!!🌍🤩🤩🤩🎉
That's a beauty! Those VU meters remind me of my old Phase Linear 400 I had back in the day.
Yes, she is. That reminds me.....I have to do a Phase Linear video one of these days. Thanks for watching.
Just found your channel recently. I was a tech many years ago & worked for a high end audio mfg & then high end dealer. Really enjoy watching your work. Nice job!
I also owned a phase linear 400 in the early 70s. Then moved on an SAE 2401, which I still have and enjoy.
Great video! What a design for easy maintenance.
Thank you for watching!
I take 24 VDC fans and hook them up to old AC to DC converters from deceased cordless phones or other devices. The 5 volt adapters make the fan run very slow and the 12 volt adapters make them run much quicker. These fans are from junked copy machines that I used to work on. They are very quiet. I hook them up to the switched AC outlet on the back of the amps.
Thanks for sharing.
A real beauty.
I really enjoy your content!
Glad you enjoy it!
The fan says "impedance protected" on the label. That means it's perfectly fine to run at a lower voltage. Some AC motors will burn out on low voltage because the winding impedance falls with voltage and the current goes up. But most of these small 120vac fans are impedance protected. Interesting fact: Lowering the voltage on an AC induction motor really doesn't change the speed. The motor speed is determined by the AC frequency. This is why big motor speed controls these days in the tens of horse power range and up are variable frequency drive -VFD. But lowering the voltage on an AC induction motor does lower the torque. So as the torque falls the mechanical load on the motor, in this case moving air, slows it down. Resistors or transformers are fine for small fans. What you don;t want are SCR or TRIAC based speed controls. These produce a lot of RFI and EMI.
I had a pair of A501 SAE amplifiers but had to switch to Adcom due to the SAE popping and blowing my speaker fuses .
But I kind of miss them
I would love to find someone like you near my home. I have a Fisher and an old Model Eleven amp that needs to be restored.
Not coming to Birmingham anytime soon are you?
Really enjoy your videos. Thank you for the time you put into them.
Wow - I wish I had one of these to run my keyboards through, honestly.
Wow oh my God,, its beautiful,niiiiiiiiice😍🌹🌹🌹
wow theres aguy in california that has everything sae audio , but ill say in florida theres alot of that vintage audio down there
Ya, a lot of old people like me too, LOL.
THANK YOU
Awesome
Thanks You!
Beautiful piece. Have you tried a low noise fan ? They cost a bit more but well worth it. I put one in my diy power amp and i can barely hear it, although its dealing with a lot less heat than what you're dealing with there.
Can you share with us the dismantling order of the amp so as to get into it to replace the lamps? There is no info in any SAE service manual or on any forums. Seeing the way this amp i put together leaves one to wonder where to start. Thanks!
As an Electronics Technician in the Navy, if we found a cover that had 30 screws holding it down only six went back in after servicing it.
i have sae 2400 can i run with fan off its so loud at night or do you know of a quite fan i can put in place
I am going to redo the amp board on a Sansui 1000x. What kind of thermal compound do you use, and how do I determine the size of the insulators. Thanks and you're inspiring me to take small steps getting some gear back up and going.
I use Wakefield type 120 silicone thermal compound and the mica insulators are type T03 for the SAE 2400. These are available at mouser.com. Good luck with your projects.
@@vintageaudioaddict thank you!!
What is your opinion of a Kenwood KR11000GX stereo receiver circa 1978 I guess I wan't to know if i should put money into it or junk it It works good except its hard to keep tuned in on a station
Kenwood made outstanding gear back in the day. If you are going to keep your KR long term it would probably be worth it.
Which power output transistors & driver transistors do you use?
The outputs are the original SAE marked transistors. I didn't replace them as they were good. Not sure who made them for SAE back in the day.
Do you service SAE A 1001 amp ?
So I’m repairing an SAE 2400, and just have a quick question. I’m doing a full recap of the unit. I’ve taken everything apart quite methodically, and heve come across something strange, the output transistors that are mounted to the heat sink are labeled SAE 1, and SAE 2 on the left and right channels. Looking at the heat sink from the top and back of the unit. The transistors on the left side are ( from back to front) 1,1,2,2. The right side ( from back to front) 2,2,1,1. Is this correct?? Are the transistors different in some way? I thought they would be all the same. This is the way it came to me, it looks original,
Starting at the 6:00 mark in the video it shows the orientation of the power transistors in my SAE 2400.
I have SAE 500 's i need to fix work but very dirty any info of who to do them
No. I don't but do an internet search and see if there's someone in your area.
Where are you located? Do you restore many SAE amps??
I'm in Florida, USA and have a worked on a couple SAE units but I'm a hobbyist not a professional. I only work on equipment from my collection.
make good preamps
I need help. Someone who knows how to Is repair units real to real's
Sounds like a real problem.
After everything you did not let us taste the sound of that guy, pity...