The B-2x has four 22,000µf 80V caps. The MX-10000 has four 22,000µf 100V caps
Yamaha Centennial Edition
- Thread starter Mark B
- Start date
The B-2x has four 22,000µf 80V caps. The MX-10000 has four 22,000µf 100V caps
OK......did the heavy lifting and opened up the A-2000. It has 4x22,000uf/75V Nichicon caps. Wonder where that J-Nisi article came up with 220,000. Could have been a misplaced decimal, except he talks about 55,000 caps, as well. Whatever. They are all wonderful pieces with their great copper chassis. But, the Centennial sits at the top of the heap, without a doubt.
the-real-mandak
Super Member
That is an easy one, but you have to look again...
Try to look at the panels in the side and you will find 2 caps of 100.000uf 6,3V per channel (for the B-2x, the A-2000 properly have 55.000 in stead). Those are for the class A circuits.
Doesn't add up to 220,000 and where does the 55,000 come from? Are you holding out and actually have the A-2000 schematic?
the-real-mandak
Super Member
It is supposed to be the same design as the B-2x and that one holds 2x100.000uf 6,3V for class A and 2x 22.000 80V class A/B per channel.
the-real-mandak
Super Member
This is the B-2x drive board for the left side, you see 2 big caps right in the middle. They are the tow 100.000uF 6,3V caps and you can see the tow 22.000uF 80V in the right side of the pic (the .
The A-2000 is build just like the B-2x, only there is added the pre amp part and it has less power (smaller caps).
I included the A-2000 and the AX-2000 naked
The A-2000 is build just like the B-2x, only there is added the pre amp part and it has less power (smaller caps).
I included the A-2000 and the AX-2000 naked
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Yamaha Centennial 10000
Mark these are RARE and some of the most beutiful pieces of audio equipment ever mfg. I'm sure the performance/sound matches the appearance. A few years back I purchased a 2000 series, 2 MX-2000 amps, CX-2000 preamp, TX-2000 tuner and CDX-2020 cd player. About a year later I bought a CDX-2000 for my second system. They are not in the same league as yours but I consider myself fortunate to have these. Another Yamaha I purchased was a PX-2 turntable, linear tracking turntable. Like you I purchased the Yamaha equipment off of Ebay. In stead of shipping I insisted that I would pick it up in NYC. Instead of NYC we met in Conn. and we transfered the units from his vehicle into the large trunk of my Lexus LS400 with plenty of padding, blankets etc for the ride back to Boston. Got everything home without a scratch. It was a miracle Yamaha still had a faceplate for the amp. Never mind styrafoam/cardboard, that equipment should of been crated (wood) and lined with styrafoam. Recently was checking out another turntable but that deal went south when the seller insisted that UPS would pack it in peanuts, bubblewrap and put a label on the platter. As someone else suggested all you need now are TOTL Yamaha speakers or JBL 250ti/L300.
Mark these are RARE and some of the most beutiful pieces of audio equipment ever mfg. I'm sure the performance/sound matches the appearance. A few years back I purchased a 2000 series, 2 MX-2000 amps, CX-2000 preamp, TX-2000 tuner and CDX-2020 cd player. About a year later I bought a CDX-2000 for my second system. They are not in the same league as yours but I consider myself fortunate to have these. Another Yamaha I purchased was a PX-2 turntable, linear tracking turntable. Like you I purchased the Yamaha equipment off of Ebay. In stead of shipping I insisted that I would pick it up in NYC. Instead of NYC we met in Conn. and we transfered the units from his vehicle into the large trunk of my Lexus LS400 with plenty of padding, blankets etc for the ride back to Boston. Got everything home without a scratch. It was a miracle Yamaha still had a faceplate for the amp. Never mind styrafoam/cardboard, that equipment should of been crated (wood) and lined with styrafoam. Recently was checking out another turntable but that deal went south when the seller insisted that UPS would pack it in peanuts, bubblewrap and put a label on the platter. As someone else suggested all you need now are TOTL Yamaha speakers or JBL 250ti/L300.
The MX-10000 contains similar caps: two 100,000µf 10V caps.
Thanks JP. I'm looking forward to your next visit.
That's a wonderful system. I haven't had the pleasure of hearing the CX-2000 or TX-2000, but I'm very impressed by the MX-2000 and CDX-2020.
Have you CDX-10000/2020 owners checked to see if they suffer the same chassis corrosion problems internally as the CDX-1X20 models? Perhaps the copper chassis is not as susceptible to this, but worth checking.
the-real-mandak
Super Member
It gets more and more interesting; this seems to be one of the big differences to the MX-2000. It only has 2 x 1000uF 80V on the drive boards and a 22.000uF 80V big can per channel.
This would actually mean that the design of the first stage in the MX-10000 comes from the B-2x! Can any confirm it runs a pure class A stage as or similar to the B-2x?
Any have the MX-1000 SM; I would like to compare it to the MX-2000?
This is the B-2x diagram, showing the 3 stages.
MX-1000 is in the mail. And, make that "like the B-2x & A-2000."
Yamaha Centennial
This is getting interesting, there is no doubt that the MX-10000 amp is a true statement that outclasses anything past or present. Between myself and my brother we own five Yamaha amps, MX-1000U, (2) MX-2000, PC2002 (pro) and PC4002M (pro). If any AK member is familiar with them I'm curious as to how the two pro amps design/components compare to the home versions (B2X/M80/M85/MX-1000).
This is getting interesting, there is no doubt that the MX-10000 amp is a true statement that outclasses anything past or present. Between myself and my brother we own five Yamaha amps, MX-1000U, (2) MX-2000, PC2002 (pro) and PC4002M (pro). If any AK member is familiar with them I'm curious as to how the two pro amps design/components compare to the home versions (B2X/M80/M85/MX-1000).
the-real-mandak
Super Member
The old Yamaha Pro amps were build to take a beating (even more like tanks than the old Hi-Fi stuff).
gonzomeep
Super Member
Friend
Hey Bud, Steve Gonzales here, good to see you posting again. You still have those L300's?
Unda Maris
Mr. V-FET
I just wanted to strike out again for a lecture about amplifier design (or a sudden onset of amplifier blues), but I was able to control myself ...
Perhaps it would be better published on TVK
Abstract: The MX-10000 is a great amplifier.
Perhaps it would be better published on TVK
Abstract: The MX-10000 is a great amplifier.
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Yamaha Centennial
Steve nice to hear from you and hope all is well in sunny CA. The L300 are alive and well singing some beautiful tunes. They are rock solid and can handle anything I can throw at them. Came close to getting some 4 way JBL 4341 a few weeks back but got distracted when one of my pets got ill and passed away. I really appreciated your ability to do such beautiful restoration work on those cabinets, it takes a lot of skill and patience. I wasn't able to duplicate the same level of craftsmanship as you but the results were much better than if I tried to go it alone.
Steve nice to hear from you and hope all is well in sunny CA. The L300 are alive and well singing some beautiful tunes. They are rock solid and can handle anything I can throw at them. Came close to getting some 4 way JBL 4341 a few weeks back but got distracted when one of my pets got ill and passed away. I really appreciated your ability to do such beautiful restoration work on those cabinets, it takes a lot of skill and patience. I wasn't able to duplicate the same level of craftsmanship as you but the results were much better than if I tried to go it alone.
Very nice. Must be paint/metal prep issue with the slightly earlier steel chassis models.
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