almarg
Responses from almarg
| 90db 4 ohm with tubes? Dr. M, the concern is NOT the speaker's 4 ohm or whatever nominal impedance. The concern is with the wide VARIATION of that impedance as a function of frequency (from about 4 ohms to about 28 ohms according to the measurements of the particular sp... | |
| 90db 4 ohm with tubes? As a follow-up to my and Marakanetz' earlier posts, I found the following statements in John Atkinson's report on his measurements of the V12, which appears to be generally similar to the V12R aside from differences in the input section:... allowi... | |
| 90db 4 ohm with tubes? Assuming you are referring to the current Diamond DMD version, the impedance curve shown in the review Samhar referred to indicates an impedance rise to around 28 ohms in the upper mid-range, some smaller impedance peaks in the deep bass region, a... | |
| Anyone try this way to wire your loudspeakers? Thanks, Kirk. Excellent points, as usual.Best,-- Al | |
| Anyone try this way to wire your loudspeakers? Hi Bruce (Bifwynne),In a word, "bad."As was mentioned, the turns ratio of the transformer or autoformer (the number of turns on the secondary or output side divided by the number of turns on the primary side) can be presumed to be about 1.414 (whi... | |
| Anyone try this way to wire your loudspeakers? Kirk, you beat me to it! And it's nice to see you posting again.A minor point, though. Wouldn't the 8 ohm tap have 3 db more voltage gain than the 4 ohm tap, not 6 db? In other words a factor of 1.414, resulting in the output transistors seeing th... | |
| Why does most new music suck? 06-06-13: BryoncunninghamThere is a whole continuum of behavior in between hostility and sycophancy. Somewhere in the middle is civility.Very well said, as usual Bryon. I couldn't agree more. It has often seemed to me, in fact, that when discussio... | |
| Why does most new music suck? I find myself unable to respond knowledgeably to the OP's question, as I have little familiarity with recent popular music. Why? Because every time I encounter any of it on my car radio it sucks, and I promptly change the station. :-)I'm sure that... | |
| Is a dimmer noisy when it's turned OFF? 06-05-13: SonofjimWouldn't the key be to have lighting and dimmer on a separate circuit or even a different sub panel?That certainly can't hurt, and certainly may be helpful. But I wouldn't count on it as being any kind of guarantee. There are too... | |
| Speaker cable suggestions for B&W 800 Diamond Using a 20 meter length of speaker cable, especially in conjunction with a speaker whose impedance reaches low values at some frequencies (3.1 ohms in this case, as indicated under the specifications link here, requires that basic electrical param... | |
| Shunyata Hydra My comments, that essentially second some of those in Bryon's characteristically excellent and perceptive posts: Although I don't assert that all of the sonic effects of power cords and conditioners are technically explainable, every technical exp... | |
| Is a dimmer noisy when it's turned OFF? Tim (Tmsorosk) and Pops, in addition to verifying that your dimmers produce no audible noise through your systems (as you have done), you may also want to compare sonics between the situations where the dimmers are dimming say 50% or thereabouts, ... | |
| Fuses that matter. Simply put, replacing a slow blow with a fast blow risks "nuisance" (unnecessary) blows, while replacing a fast blow with a slow blow risks extensive damage to the equipment (and conceivably even the possibility of a fire) if a fault were to occur... | |
| Adding sub question Tls, thanks very much. I always enjoy reading your posts as well, which have struck me as knowledgeable, helpful, and well intended.As you probably realize, the 47K figure you found in the manual would be a recommended load impedance, rather than ... | |
| Adding sub question I emphatically second Kal's (KR4's) comment just above. Cables are not the answer. However, in this specific case I think that the following comment may be particularly applicable, although for different reasons than were speculated:05-26-13: Tls4... |