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<blockquote data-quote="KenM" data-source="post: 24218" data-attributes="member: 639"><p>I guess some people think you can get a quart out of a pint jar (hands up all those young enough not to know what on earth a quart is). The way I always try to explain it is that an output transistor - or valve, if you insist on being pedantic - is little more than a remote controlled tap that sends the mains power - softened somewhat by the PSU - to your speakers in sympathy with the incoming signal. An amplifier can therefore never deliver more power than it can receive, the same applies to a car audio system with even heavier constraints with respect to the power available.</p><p></p><p>Back on topic. The HD PVR requires 4 input cables, 1 for tuner 1 used for watching, 2 and 3 for tuners 2 and 3 used for recording and 4 for tuner 4 used for the EPG and other stuff. If your existing dish has a dual LNB then you need a multiswitch which accepts the 2 inouts and has 4, 6 or 8 outputs. There are different manufacturers of multiswitches as well as active or passive ones. I suggest that AVSA look at these multiswitches and maybe do some tests on the virtues - or lack thereof - of the different makes and philosophies.</p></blockquote><p></p>
[QUOTE="KenM, post: 24218, member: 639"] I guess some people think you can get a quart out of a pint jar (hands up all those young enough not to know what on earth a quart is). The way I always try to explain it is that an output transistor - or valve, if you insist on being pedantic - is little more than a remote controlled tap that sends the mains power - softened somewhat by the PSU - to your speakers in sympathy with the incoming signal. An amplifier can therefore never deliver more power than it can receive, the same applies to a car audio system with even heavier constraints with respect to the power available. Back on topic. The HD PVR requires 4 input cables, 1 for tuner 1 used for watching, 2 and 3 for tuners 2 and 3 used for recording and 4 for tuner 4 used for the EPG and other stuff. If your existing dish has a dual LNB then you need a multiswitch which accepts the 2 inouts and has 4, 6 or 8 outputs. There are different manufacturers of multiswitches as well as active or passive ones. I suggest that AVSA look at these multiswitches and maybe do some tests on the virtues - or lack thereof - of the different makes and philosophies. [/QUOTE]
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