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le bouch
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Everything posted by le bouch
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I'm sorry if I'm being thick, but I still don't understand how you can send only one (stereo) source to the amp and then have the fader control on the head unit affect the amp's output front / rear. Surely the the head unit would have to send two (stereo) sources, front and rear? Unless of course you're talking about a digital output, which I don't think you are? -
Iogray - I'm confused. It doesn't take much :huh: Are you saying that the head unit only sends one stereo pair to the six channel amp, and it's the amp itself that 'divides up' the signal into front, door (LF) and rear pairs? If that's the case how does the 'fader' control on the head unit have any effect? Surely if it's only sending one pair then the 'fader' would 'move' the sound from min to max rather than rear to front?
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Thanks Richard. Speaker impedance is one subject I've never quite got my head around... I found it hard enough finding any replacement 5.25" woofers, let alone 2 ohm models :-) I guess ultimately I'll have to replace the amp as well (I kind of knew that was coming)... I was confused initially by the fact that the head unit wiring only takes 'front' and 'rear' to the amp - I guess that makes sense with your helpful advice that the crossover is built into the amp. I'm guessing that the the 'front' signal goes to the amp, is split by the crossover and then sent to two of the amp's three stereo pairs. The 'rear' signal is simply output by the amp's third stereo pair?
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Thanks. So as long as I keep the current channels-to-speaker location assignment I should be ok upgrading all my speakers? I was going to put 4" Alpine SPG (co-ax) in the dash and rear with Alpine SR woofer in the doors.....
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996 Spare key
le bouch replied to skyline's topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
Ouch. Oh well, the OP is in the UK too, he may not have been aware of the company that can cut the key for him :-) -
I have searched, I promise... My 1999 MY has the 'improved' factory sound system - 6 ch amp in the trunk, components in the dash, components in the rear and woofers in the doors. Could anyone clarify the following for me.... 1. Does the amp's three stereo pairs simply feed dash, doors and rears? 2. If so, is there a crossover (and where is it) that limits the signal to LF only for the door speakers? Many thanks for any help.
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996 Spare key
le bouch replied to skyline's topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
Hi - I went through this just recently, having bought a 1999 MY 996 with only one key... Don't make the mistake I did by buying a key head from eBay - sellers will tell you they are 'hard to program' - the truth is they are impossible to program! Here's what I learned from my OPC in Sussex, UK: Porsche UK charge @ £85 for a key blade (cut from your chassis no) and then @ £120 for the remote head. This is plus labour. The head comes with two serial numbers - one for the remote button function and one for the immobiliser 'pill'. Both have to be matched to the car - hence the need for the computer! My OPC didn't charge me for the labour in the end. The key head's immobiliser pill can be matched to cars again and again but the head's remote function can be programmed only ONCE. So, if you buy a key head from eBay or similar and it doesn't have the serial numbers, you are screwed. And even if it does has the numbers and the remote function's been previously programmed to a car you're still screwed! If I was going to do it again, I would get the blade ordered and cut (they do it from a photo of your existing key!) here: http://www.keysinthepost.com/actinic/ModernPorsche.html for only £15, then order the key head from Porsche and get them to code it. Or if you're not bothered about the remote function just buy their 'transponder chip' key for £45 and get the OPC to code that. Hope that helps.