I recently purchased a home that has speakers installed in the ceiling, attached to a central area where there was a receiver (which the former owners took with them). I'm looking to replace this receiver with something basic (the only thing it will be used for is to play music through a small nettop computer, Airport Express or something similar).
I want to get an amp that has enough juice to power all the speakers at once, but I want to spend as little as possible. What are the minimum stats (mostly watts/channel and impedance) I need?
Here are the specs of the system:
- 5 sets of Niles Series 2 Model 77 speakers are in-ceiling, 6" across, and apparently have an impedance of 8 ohms, and maybe a max 50 Watt power (according to this post
on eBay and this one
at Crutchfield, though the manual
doesn't mention power).
- 1 set of speakers is outdoors - Niles OS-1, which, according to the manual, have a nominal impedance of 4 Ohms, and a recommended 5-60 Watts/channel to power them.
- There is a hub for the speakers (where all 6 speakers connect to a single input), which is a Niles SPS-6 Speaker Selection System. The manual for this device indicates that no more than 100 Watts/channel at 8 Ohms should be used.
Is there a problem that the outdoor speakers have a 4 ohm impedance while all other speakers are 8 ohms?
I looked on Amazon and found a Pyle PCA3 which has 75W on 2 channels and is about $47. Will this work, or is that not enough power (or the wrong impedance)? There's also a 40W per channel model for about $40.
Any help is appreciated!