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In Reply to: Panasonic XR45 vs SimAudio W5/P5 combo posted by hifi@magma.ca on August 17, 2004 at 08:38:04:
Are you serious with this question?I did buy this famous Panasonic to compare it to my rig ( Sim W-5 with my tube preamp). It was not even close.
I would have like to prefer the Panasonic due to his low price tag, but no luck.
I tried to listen to the various qualities peoples on this web site encountered with this Panasonic, but i could not ear anything special with this machine.
If you have the money for the Sim, go for it.
I did return my Panasonic.
Follow Ups:
Just butting in my 2 cents here...I owned a SIM Moon I5 integrated for a period of time (6 months or so). It was a very smooth , nice sounding amp, and I enjoyed the sound of it. Now, I also own the Panasonic Sa-XR10 and SA-xr50 digital receivers. The digital receivers require some TLC...a good power conditioner, a good digital link (glass optical), a good power cable, and a bit of break-in. GIVEN all that, I prefer the Panasonic receivers. They definitely need good power conditioning! A good fiber optic cable is essential. Then you will hear what a digital amp is capable of. Astounding transparency, great dynamics, very musical sound! Treat yours well and it will pay back greatly. I can't wait to hear the SA-XR70 that I have on pre-order. Happy Listening!!
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well i havent heard it, but i cant understand that if it is that good, why didnt panasonic update the power supply ie; conditioning, install a better powercord on it and sell it for 5 times the msrp ??it appears that the people would still buy it in droves ? now thats alot of profit they lost out on...
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< < it appears that the people would still buy it in droves ? now thats alot of profit they lost out on... > >I don't think so!, your suggestions will dramatically increase the unit cost of the product and they will sell significantly fewer units at USD1000. Also, brand image comes into play as folks bulk at spending a large sum on a mass market brand. Some Japanese companies have been down this road before and panasonic current market approach is safer and spot on. After modding you loose your warranty anyway, hence minimal risk for the company. Therefore, the company is better off targeting a wider market and leaving the more adventurous to tinker at their own risk.
Panasonic uses the class T amps because they are much more efficient than typical class A/B amps. That means MUCH less heat and smaller power supplies. The sonic attributes are incidental to the Panasonic design. However, other companies are using Tripath Class T amps and aiming for the high end audience, i.e. Audio Research, Spectron, and others...I own good seperates (over $5000) and the Panasonic amp beats them in most regards. Keep in mind it's the Tripath Class T patented technology that makes this even possible. Listen for yourself and decide.
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well first of all i dont care about saving a few dollars electricity when it comes to audio so efficiencies are meaningless. And unfortunately i dont think i could ever hear it because the kinds of stores that sell this type of product dont do proper demos, either at home or in the store, because with the junk speakers they sell and the junk sources, cabling etc. there isnt any point to try to listen to it- although i am curious as hell to see what it actually does sound like...
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The Panasonic is not based on Tripath class T patented technology.
The Tripath technology does not currently implement a direct digital input of PCM or DSD data. It requires a conventional DAC to convert the PCM to analog.The Panasonic is based on the Texas Instruments Equibit technology which is the same technology used in the TACT and Kenwood amplifiers.
This implementation accepts PCM datastream and converts it to PWM.
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Although the Kenwood uses the T/I solution, it does not do 192hz upsampled digital signals and allows for dsps to be used for digital sources ect.I consider the Panys to be the only true digital direct receivers whith all others being either hybrids, or in the case of the Kenwood, compromised.
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