bear
Responses from bear
| Aren't passive radiators out of phase? BTW, on my website there is a page with my version of subs with PRs, 18" PRs. Two per channel. I call them Quadripole, there are now some graphs and a better discussion than I had up a few months back... I do show the output of the PR and the woof... | |
| What is the advantage of ultra bandwidth? Ummm... I have a different viewpoint.............................Anyhow, rise time does not mean that the amp in question will have more or less ringing than another amp with slower rise time. It is perfectly possible to have fabulous rise time an... | |
| Active crossovers Matching two amps is trivial.There is no matching to be done, other than level setting. Just about every electronic crossover has level adjustments for every band. Regardless of the "gain" of an amp, when you increase the input by 3dB, the output ... | |
| Aren't passive radiators out of phase? NO! PRs are IN PHASE!The passive radiator is a "phase inverter" just like a port or vented box is. There is phase shift across the working spectrum of a woofer, and a similar phase shift across the working (high Q) spectrum of the PR. However, at ... | |
| Active crossovers Active crossovers are a tricky topic, imho.I'd recommend using an active xover for subwoofers and a passive xover for the rest in general.The advantage here is that you can use a clean, high power amp for the sub bass and select an amp that is opt... | |
| Single ended vs. XLR Connection Advise Needed See the similar thread in the cables area, but XLR is a connector, it is not the same as "balanced." You can use an XLR connector for a balanced signal connection. The benefit to a balanced send and receive is a very high imunity to noise and hum ... | |
| phono preamp capacitor upgrades?? Any electrolytics in the unit - especially the ones in the signal path (not all equipment has electrolytics in the signal path) tend to become leaky over time. You can often hear the effects of leaky caps in units that have a "crackly" volume cont... | |
| Cables "Burn In" Actually, some manufacturers do burn in their cables.I do.However, there is no precise and scientific basis that has yet been determined for what (if anything) is actually happening. My ears tell me something is happening.Even after saying that, i... | |
| technical explanation for cable direction? I'd like to know the citation for Ben Duncan's test on wire where he found and measured "diode effect." Duncan is pretty darn sharp and I've never heard of such a thing being measured. What's the exact date and issue?? _-_-bear | |
| What's better: RCA or XLR? Let's be clear about XLR & Balanced first.The XLR is a *type* of connector. It could be used for almost anything, and has been. It was developed as an audio connector for 3 wire balanced signals.The RCA is a *type* of connector.It could be use... | |
| Cable lengths Well, Bufus is not telling you the whole story.What he did say is essentially correct though!The fact is that the resitance of the cable is in the milliohms, and that a double (100%) increase in resistance is really rather small. So, it's not the ... | |
| Highly Polished wire???? Polishing contacts is different. _-_-bear | |
| Highly Polished wire???? Since all wire is drawn by sucessive passes through very hard diamond dies, all wire has similar metalurgical properties from that process. To a great extent this is a sort of polishing - and in fact wire that has just been drawn is very bright an... | |
| Cable lengths That inductance is measurable at audio frequencies.If you look at the output of a typical solid state amplifier with an inductor in the output you can easily measure the change in the way a square wave is reproduced with and without the inductor w... | |
| Cable lengths NO, not magnetic field generation! By coiling the cable you are making, well, a coil! This increases the series inductance of the cable, rolling off the highs.What you do with your wife and your antenna, is another matter for a different group, I ... |