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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Tomand, John is probably the last person who supports Bidat.
I think you can get Bidat from Meitner himself; I do not see he would be
keeping it as a secret. Typically, it is
not practicable to ask pro people to share schematic but Bidat is a cul...
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[quote user="Romy the Cat"]2) Very smartly rolled off HF. Bidat is not the most advanced HF performer but any other DAC that I heard (you can put here a long list of the best DACs you know off) are too bright for my taste. I do feel ...
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[quote user="Telstar"] What's really different, besides AC and capacitors is the DSP. Meitner IDAT algorithm makes a difference for sure. Also, I dont know if it uses any digital and analog filters, the lack of may improve sound transparency. [/quote...
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Hi Alex,Short of waving goodbye to the Bidat for a few months, you could always TRY the splitter idea from your favorite cable guy. It may be acceptable enough for your needs.Did you mean there is no space on the back of your passive/relay base...
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i am well aware of the problems the 47 labs approach brings along with the good things it does.i have at times in my setups good results,in other setups disaster.47 and audionote use no digital/oversampling filter.this obviously can have negative con...
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In fact am not only planning to try an electrolytic capacitor as the LF Milq’s coupling (if I found one with low linkage capacitance) but I would also planning to try the “my proprietary” cooked capacitors. I have to admit that it sounds very s...
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[quote user="Romy the Cat"] Form email I got from John Wright
“PS, In case you care, the Bidat gets better all the time with fresh updates ….I mean it will sound broken in comparison. I have made some very good changes to the power supply and ...
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I use to have IDAT-44 and IDAT-M (automobile version). I did not found them interesting, though they were not stock versions. Admittedly all Museatex stuff kind of “need work”, and even the stock Bidat was quite dead DAC.
It is still not know why t...
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[quote user="Romy the Cat"]Hm, this is interesting. I my case nether neither CEC nor Bidat affect other of the tuners. Lavrys do but not Bidat. Try to put ferrite on ALL Sansui inputs: antenna, power cord, output cables. I have 3 bids on each leg of ...
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I admit I have too much fun lately with DACs. Whatever it is, my beloved 16bit DAC is back from the John Wright’s face lift. It is a third time when John does this specific Bidat. Interestingly that even John admits that for whatever reasons this uni...
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[quote user="Paul S"] a maxed/modded Museatex iDAT-44+ DAC (adapted for battery power; no AC!)[/quote]
Yes, Paul it is good that you remind me it as I have been thinking about it for a few years and never put my hands on it. I am not a bit fun of ba...
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Form email I got from John Wright
“PS, In case you care, the Bidat gets better all the time with fresh updates ….I mean it will sound broken in comparison. I have made some very good changes to the power supply and the output stage that ...
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[quote user="TonyB"]Hi Romy, That would be a very interesting comparison. How about a new thread?[/quote]So far it is not “interesting comparison” but the painfull one and I still in process to figure out the things… I use the Larvy’s DAC it 96k...
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[quote user="TonyB"] If the PC is a master sending the data (and generating the clock), I would not use it. That is why I would go for one of the PRO (expensive, e.g. Lynx AES 16) cards which can accept master clock when sending data. Can your Bidat ...
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[quote user="Romy the Cat"]The Bidat uses TDA1547 chip but I think the iDAT 44 and iDAT-M uses something else. [/quote]Interesting, very interesting.My Teac vrds 10se uses this dac. I have been proposed to mod it to improve the output stage, but i wa...
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Yes I do use them for both my Bidat and battery power Idat/M both reworked by John (BTW Idat/M has some performing benefits over the Bidat in my experience). The Synapse cable does have the special qualities mentioned in this thread.I had considered ...
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It sound like the Emmlabs I heard before. A few things. I am not familiar with Marantz CD5004 but I am pretty sure that it is not TL0, in fact nothing most likely is. If you use TL0 then it will be very different result as TL0 push a LOT of more out ...
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I thought I saw a picture somewhere on your site with PSU for Bidat with multiple transformers and such....
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Hi Romy,I believe you're right and it's due to the amount of LF the vinyl outputs, which may be more than the Bidat or the tuner do. It doesn't happen with all the discs, just some of them, which happen to be old recordings that probably have mo...
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Hi Romy,[quote user="Romy the Cat"]
For the time being I decide to use the DA924 as D/A. With all beauty of DA924 I did not fine it comfortable to handle CEC TL0 and I feel that Bidat does better in there. (Although Bidat vs DA924 is VERY big and V...
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I was so glad to stumble on to this site. It's amazing!I've been a Bidat owner since 1995 and I had the latest mods done by John Wright a year ago. Romy, it takes several months for those blackgate caps to fully calm down, but you are in for a t...
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The "Super
Mod"
The Bidat was originally designed with 3 separate crystal-based voltage controlled
oscillators. This was unique because we had the crystals specially made to be
'pull-able' ...
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[quote user="cv"]Funny, I was just thinking about battery powering of amps... I know you have identified that the problem is more with the sources, but it would be interesting and quite feasible with the Melquiades and other components... wouldn...
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Well, I finally found and implemented a digital front end that I can live with. I have been so cynical about digital up to now that I have kept and used an old, cheap Sony player (albeit one actually made in Japan...) because up to now it seeme...
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Hm, some very mysterious things are going on today similar to the observance of the Bethlehem star… :-)
I was commenting before that Lavry 924 is very slightly brighter then I feel a neutral peace of equipment should be. Once again it is not HF disg...
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[quote user="Romy the Cat"]Yep, Telstar. The 1547 was use in Sony and Teac CD players and believe the first CD-SACD machines used that chip. I know very little about those chips and have none of my personal experience to deal with all of it. The reas...
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OK, now it looks like that I finally finalized my first experimental draft of FM recoding setup. The AD122, outputting the 24/96 stream, into PC’s uncompressed WAV files via Lynx 16 interface. For the time being I decide to use the DA924 as D/A. With...
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[quote user="Chirag"]I just wonder if some of the slight upper range grainy hardness (transport?? cabling??) can be removed with better supplies or output stage.[/quote]Yes, Chirag.
It is transport, cabling, amplifiers, tweeters, elec...
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Recently I found a way to make Lavry DA-924 to sound reasonable driven by my 16-bit CD transport. That made 3 DACs available to AD my 16-bit digital steam: Pacific, Lavry and Bidat. If Bidat and Pacific sound virtually identical then Lavry has very d...
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Yes the Bidat does lock 48khz very well and so does the Idat-m. Something even more suprising and coming from someone that knows these dacs very well is that on a few samples of Bidat they even lock at 96khz! Alas I am not so lucky. Mine is 44.1 and ...
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