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  1. How many watts can a 30 amp power supply handle?

    Technical & Advanced Car Audio Discussion
    Hello It's me again. I'm using a Fully Regulated Low Ripple Dc Switching Power Supply (pyramid psv300). And I would like to know how many watts it can handle total? I've used a calculator on the net but I'm not sure if I should go by the 13.8 volts that it describes or the AC amount of 110-120...
  2. A way to limit the Focal 165 KRX3 low impedance?

    Technical & Advanced Car Audio Discussion
    I just installed a set of Focal K2 Power 165 KRX3 in my LX 470. They are being powered off of two channels of my Arc Audio 1200.6 xDI. I didn’t know until last night that the Focal K2 Power 165 KRX3 can drop to an impedance of below 2 ohms unless they are bi-amped. So far the 1200.6 xDI has...
  3. Choosing tweeter and mid in an active set up

    System Design: Help Me Choose Equipment For My Car
    I am confused as to how you choose speakers in an active set up. (2 way front stage and subwoofer) I have been passive up until now. Headunit: Pioneer DEH-80PRS Amplifier: Alpine PDX V9 to run everything Subwoofer: Blaupunkt sub uncertain on details but sounds good to my ears Currently running...
  4. 10" Sub for 310/540W Amp 2 Ohm or 4?

    General Car Audio Discussion
    I am looking at a Hertz HX250 or a 250D for a single-sub setup in the Cabin of my car. Wondering if I should use my Amp at 2Ohm with the Dual-coil or 4 Ohm with the single coil. Details: I will have 3-way active front stage running at 35WPC from an Audison AP8.9 DSP. Rear doors will have...
  5. Did I choose the right amp?

    General Car Audio Discussion
    I'm a novice so please bear with me ... and thanks, in advance, for considering my question. I want "warm" speakers and am on a limited budget, so I've looked into it some, listened to comparisons and have decided to get 4 x Usher 8945A 7" Carbon Fiber/Paper Woofers ... Usher 8945A 7" Carbon...
  6. 2 subs in isobaric enclosure @ 6ohms?

    General Car Audio Discussion
    I've had a box with 2 crunch 12" subs, a RF punch 60ix amp and an MTX rtx01 xover for about 17 years now. It hasn't been hooked up for about 9 yrs or so. I paid someone to do the wiring and hooking everything up originally. I have an 05 Nissan altima with the factory bose system and I want to...