aball

Responses from aball

musical fidelity a5 tipped-up treble
Also, how large is your room and how many openings/doorways does it have? 
What is the effect of age on audio components?
For an amp of 1978 that has seen regular use, the dominant factor will be how hot it runs. A high-bias amp will dry out the capacitors much quicker than one that runs cool. They will degrade slowly, but then can short out all of a sudden.But there... 
Mcintosh MC402 and Totem speakers question
I had a pair of Hawks for a while with a McIntosh MC7200 and a CJ MV55. I also had a pair of 804s with the same amps. The Hawks were great at low volumes but they lost composure at higher levels and soundstaging fell apart quickly. These are not f... 
McIntosh vs. Accuphase
Actually I've talked to a former owner who felt like me that the Accuphase amps can sound a bit dry. But everyone is different.The Ascendants were powered by the amplifiers I speak of. 
The difference between impedance and resistance
Bob - the difference between the derivative in radians and degress is the scalar multiplier of k*pi. The key thing to note in my description is the word "directly". I found this description that should go into enough detail for you to understand w... 
The difference between impedance and resistance
The reason radians are used is because the derivative of sin(x) is directly cos(x) when using radians. This is why the formulations using radians come out cleaner.I would like to add too that you very rarely get 90 degrees in a circuit. The parasi... 
The difference between impedance and resistance
Al covered lots of good details but I would like to summarize it for those that might have gotten lost.The fundamental difference has to do with frequency, as in frequencies of the recorded music, for example. There are innate qualities of capacit... 
What time do you wear?
Hey Mitch - some people I know consider hifi stereos to be jewelry since an iPod is enough! 
What time do you wear?
Update: I just got myself one of the new Rolex GMT-C Master II to add to my little collection. I've been in love with the Master II since I was a kid so it is awesome to finally have one, and for the timing to coincide with the new revision is per... 
McIntosh vs. Accuphase
I don't know if this matters now but here goes it just in case:We auditioned in a head-to-head comparison (for what it's worth) a McIntosh MA7000 (based on the MC252 amp) and the Accuphase E550. They were fed by a Meridian G08 and powered Avalon A... 
Kora in the U.S.
Unfortunately for Americans, Kora got screwed by their North American importer/distributor on a couple different occasions so they have officially withdrawn from the US market. They are very satisfied with their sales in Europe and Asia and theref... 
Power output of tube amps compared to solid states
I found very interesting work that was done by a group of Russians a while back. I am pretty sure I printed it out but I originally found it online. I'll have to see if I can find it again to post a link to it here, but at any rate, they had actua... 
Power output of tube amps compared to solid states
Oh yes, sorry for the confusion, Paul is right. I had SE Class A in mind. That's the type of amp I've been on the prowl for so that's what I've been thinking about lately.My comments still apply for Class A push-pull however because they have the ... 
Power output of tube amps compared to solid states
Great post there Joe. About your comment that Class A operation reveals lower-power figures that expected: You are absolutely correct that theoretically Class A should be able to yield higher power because there is no zero crossing. There are thre... 
Power output of tube amps compared to solid states
Oh Marakanetz. I'm not sure I can help. Believe it or not, I have several oscilloscopes. I also have impedance analyzers, spectrum analyzers and electronic loads. I work in a state-of-the-art electronics laboratory. The reason I said what I did is...