rodman99999
Responses from rodman99999
| Cap life span? I guess I've replaced WAY too many electrolytics, in power amps, Leslies, Tubed Organs and speaker systems, pro and home(for myself as well as customers), to buy into some the above statements. | |
| Cap life span? If you look at the datasheets of aluminum electrolytic caps; you'll find that their expected life spans are noted in hours, at a certain temperature. Some datasheets even list an expected shelf-life. These sites each mention different ways caps ag... | |
| Do you believe in Magic? Any or all, of the first three, can make your music seem louder(and vice versa). | |
| HELP FedEx Mangles Speakers - Refuses Claim You just GOTTA love these gorillas! Don't even get me started, with the experiences I've had with the Post Orifice! (http://www.youtube.com/watch?v=YoMSICZjPLQ&feature=related)(http://www.youtube.com/watch?v=SqryzEbsRBE&feature=related)(ht... | |
| Hafler DH300 Monoblock forever? Whatever differences you find, between the quiet 200, and your new project: duplicate them. It would appear that the amp has been modified by someone that shouldn't have. Follow the DH-200 manual, and rebuild the amp to it's proper configuration. ... | |
| Another cheater plug thread When I was an early teen; someone told me a metal cutting carbon arc could be created, using a pencil and 120V cheater wire. I tried it with a power cord, alligator clips, #2 pencil and a crosscut file. I was sitting on concrete block, with the fi... | |
| Hafler DH300 Monoblock forever? If the jacks are isolated from the chassis, try grounding one, just to see what happens, Be certain to ground the terminal that contacts with the barrel of the 1/4" plug and not the tip. Only connect that channel, with your pre. Should be a simple... | |
| Another cheater plug thread Yes- There IS a risk(indubitably); IF you happen to be grounded, when in contact with the hot side of a 120V AC circuit(or two hots of 240V single phase/any two hots of 3 phase). You HAVE to be the completion of a circuit, for current to flow. Gra... | |
| Another cheater plug thread Assuming that your preamp has a grounding plug on it; yes, it will be grounded through the PS. I suppose many of the posters that scream about cheater plugs, didn't live through the era of non-polarized/ungrounded AC plugs(EVERYTHING pre-late 80's... | |
| Hafler DH300 Monoblock forever? R45 should be a 2.2 Ohm, 1/2W resistor. I would install that(if the 300 has none) on the right input, and see if that helps. But first: The AC plug on your amp should be ungrounded and non-polarized. Reverse(flip) it in the wall socket, before you... | |
| Shielding components from EMI/RFI... Help please "All three were improvements, but the biggest and most surprising improvement was wrapping the external drive with TI Shield. Don't know what to make of that." TI Shield has supernatural powers. That's why I personally recommend it. =;^) | |
| Hafler DH300 Monoblock forever? Yes- those are the ones. Be careful from whom you buy the caps. Believe it of not; aluminum electrolytic capacitors have a shelf-life. re: the variac- It's good to bring the voltage up slowly(and, "reform" them), when electrolytics haven't been po... | |
| Hafler DH300 Monoblock forever? You are correct, concerning the 2.2ohm resistor(R45/pn 133022). There was only one provided, in the kit. The DH-200 schematic shows that on the ground of the left input. Given the age of your amps(30yrs+), you might consider obtaining some new pow... | |
| Hafler DH300 Monoblock forever? Take a look at the twisted wire pairs from the input jacks. If they are each connected directly to terminals 1 & 2 of both PC-6 boards, you should be good to go(in stereo). If it's bridged for mono operation; only the left input will be connec... | |
| Hafler DH300 Monoblock forever? No! Both active component boards(PC-6) of the original DH-200 will still be in place. The PC-7A(bridging circuit) is a separate, much small board, that should be located/mounted on the rear of the right heatsink, it's components facing to the rear... |