lewm

Responses from lewm

Avid Acutus - Standard or Reference
The value of the outboard supply is also or mostly related to the way it delivers power to the motor. If it's an AC synthesizer serving an AC synchronous motor, then it should be delivering phase-correct voltage with respect to the motor. This mak... 
Koetsu Urushi + MC step up transformer
Subbing the 47K load resistor with an 8M load resistor would only negatively affect the phono stage if the input tube or transistor cannot tolerate it. I'm not sure how it would work with a transistor input, but with a single-ended (as opposed to ... 
Koetsu Urushi + MC step up transformer
I just did not want to be the dispenser of incorrect information. I've never used a SUT either, but I came close at one point and read some of the excellent white papers on the Jensen website at that time, to gain what little knowledge I have on t... 
Koetsu Urushi + MC step up transformer
Re your last post, the consensus among us other users of the Urushi is that you would be best off with a load of ~100ohms. If you really want 47K ohms, then just off the top of my pointy head you will need to replace the 47K resistor at the input ... 
Koetsu Urushi + MC step up transformer
Nsgarch, You wrote, "spider, the values one uses to match a MC cart to a SUT have nothing to do with the load resistance you would use if connecting the cartridge to a phono preamp or headamp." Are you suggesting that my advice in my previous post... 
Koetsu Urushi + MC step up transformer
I agree with Nsgarch, but meantime you do have those Lundahls and maybe fooling around with the load resistors will help make them sound better. You say you "tried some different" values, but you don't say what values exactly. As others have said,... 
Cartridge polarity?
If you exchange hot for ground for both L and R channels, you are reversing the phase by 180 degrees but the two channels will still be in phase with respect to each other. For those who can hear such a phase difference, it makes a difference in t... 
What's inside the plinth of your Garrard 401?
Sorry, I don't know the answer to your question about the 60Hz pulley and sped adjustment as I have never played with a 401. I do own a 301, but it is not in use because I still need to buy or build a plinth for it. I am currently too happy with m... 
What's inside the plinth of your Garrard 401?
Get the 60Hz pulley, but don't buy the cheap version, which I believe is sold on eBay (but I could be wrong; the one on eBay could be perfectly OK). Search some of the Garrard websites for guidance on which reproduction 60Hz pulley to purchase; I ... 
Who needs a MM cartridge type when we have MC?
Raul, Altho I don't agree with your (rather negative) assessment of either Koetsu cartridges (at least as regards the Urushi) or the Triplanar tonearm, U da man. Still, you are talking about the results in your system (which is hugely different fr... 
rhea better with high or low output MC?
Viiu, I have to disagree with your advice to a relative novice regarding buying tubes on eBay. eBay is a quagmire when it comes to tube buying. I have been ripped off more often than not, and I have stopped using eBay as a source. Perhaps you have... 
Who needs a MM cartridge type when we have MC?
Raul, Have you considered that all your tonearms with removeable head shells and interchangeable arm tubes may compromise the performance of a really good LOMC? You are placing one or more additional physical contacts in the path of a signal that ... 
Who needs a MM cartridge type when we have MC?
Raul, Thank you for your thoughtful treatise. You speak of compliance as if higher is always better. I have been giving this a lot of thought, too. Suppose we take an auto analogy. If you drive a car with no suspension or a very stiff one (i.e., l... 
Building high-end 'tables cheap at Home Despot II
I tried to verify this via the internet but could not find the relevant information plainly stated. However, is it not the case that Quartz-control is a subset of servo control? IOW, quartz control is a servo using a quartz-based oscillator as a r... 
Magnetization & Demagnetization any conclusions?
Sirspeedy, Except inadvertantly by touching something during handling of the LP in the process of demagnetizing it, I don't see how the demagnetizer per se would affect static electric charge on the LP. Someone else mentioned this previously; the ...