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  1. M

    Phantom Powering a light???

    Phantom power is 48v through 2 Paralell 6.8k resistors with one resistor going to the Hot and another going to the cold Pins of the XLR ..... the current draw through each resistor affects the voltage on the other resistor .... to keep current and voltage stable through each resistor and to...
  2. M

    Phantom Powering a light???

    Phantom power is limited at about 14ma because of the paralell 6.81k resistors so if you want a light and want to power a mic at the same time then you will have to use a low power LED biased to about 5ma as not to suck power away from the mic ...... If you use a power pin and ground and use a...
  3. M

    Power Supply Build

    That will work but I would maybe add another smaller cap after the regulator on the 7918/7818 ...... You don"t really need the 40v winding for the phantom power , Since Phantom power even for several channels is still not a large current draw you could use a Voltage tripler on the 15v AC...
  4. M

    How can I reduce Bass leaking into the rest of the house...

    I agree , get a headphone amp and make everyone wear headphones
  5. M

    need help with basic setup

    You can start that way with what you have ...... I suggest you do a Guitar track first and then do the vocal track , it will let you concentrate on playing the guitar part to get it right and it will eliminate any bleed from the vocals to the guitar mic ....... Cheers PS: that Athalon PC...
  6. M

    kick drum head, on/off/hole/no hole?

    Those cheapo skins that you get on new cheapo kits (and on expensive kits) should be replaced asap , A good quality skin properly tuned can make a cheapo kit sound not so cheap ......
  7. M

    Flip Top Transformer

    Here is the schematic .... The Free Information Society - Ampeg B15N Electronic Circuit Schematic
  8. M

    active bass mics to passive

    You would want to do it so you can easilly swtich back to active if you don"t like the passive sound , I turned my bass from passive to active and never looked back..... I"m not sure how your is wired but some basses that have the active preamp also have an active tone controll in which case...
  9. M

    A5500 DIY Tube mic?

    Hey don"t get mad at me because im the second person to point out you had bad grammar , Maybe you should work on your grammar ...... I didn"t meant it as an insult , mearly pointing out that if you weren"t so vague about everything then you would be easier to understand ...... As for being a...
  10. M

    A5500 DIY Tube mic?

    Oh , I read the thread , I thought maybe you were a immigrant and that is why your english was bad because you are being very Vague about everything ......
  11. M

    A5500 DIY Tube mic?

    I don"t really understand why you are complaining , the link you posted makes it 100% clear that this is a Kit that you have to assemble yourself , it has a list of all of the components that come with the kit and also has pictures of the kit so i don"t how you could have gotten the wrong idea...
  12. M

    still can't play - got a specific question

    Seperating what your feet are doing and what your hands are doing is one of the first real challenges when becoming a competant drummer ...... what worked for me was practicing moving my bass drum foot double the time of my hi hat hand which trains you to use your foot on the off beat ...... Cheers
  13. M

    Any preamp buildders?

    This is a good way to get a cheap power transformer for the plate of Tube circuit , You know those plugins in the bathroom that are for a electric razor ?? behind it is a 120v/120v power transformer that will give you about 170vDC, qute small and pretty cheap to buy , you would just need a 12v...
  14. M

    Preamp level matching transformer question

    If the Pot is all the way down to zero then there shouldn"t be any sound coming out at all , when it is at zero the signal is shorted to ground ..... It is possible that there is a resistor between ground and the ground lug on the pot in which case there would still be volume even if the pot...
  15. M

    mic transformers

    With a Transformer like that it takes a Low impedance (low voltage high current ) signal and turns it into a High impedance (high Voltage low current) signal ..... after a certain turns ratio the current on the output of the transformer is so low that the signal gets loaded down in the next...
  16. M

    mic transformers

    Well when you use transformers to create gain you also increase the Impedance going to the next stage and high impedance circuits are inherantly more noisy , and there is only so much gain you can get from a transformer (maybe 25db) before the signal gets loaded down.... Here is a Shure white...
  17. M

    DIY Frequency Management

    What you are talking about is a Crossover , it can send one part of the frequency spectrum to one source and one to another source , they are generally used in amp outputs to sent seperate signals to say a woofer and tweeter , the crossovers on speaker outputs are usually passive ..... There...
  18. M

    theory questions relating to mic preamps

    I can"t really help you with your first question but the second I think I can help with ..... Why is ballanced better than unballanced Twisted pair ?? Well , twisted pair only offers EMI rejection but can still pick up other sources of noise like possibly RFI and Power supply noise and also...
  19. M

    drum OHs clipping

    I don"t think so ...... he said at the top of this page that he hasn"t adjusted any levels and everything is at 0db ..... every DAW that i have used sets the Input levels at 0db by Default which is way too hot ......
  20. M

    Stuttering cubase!

    Maybe it is your Buffer settings , or maybe you don"t have enough ram to run all those plugins ......
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