LSI - Power

windstriker

I'm looking at creating a home theater with:

Mains : lsi9 run by a adcom 555
Center : lsic run by a adcom 2535
rears : Monitor 7(eventually will upgrade to lsi 7) also run by the adcom 2535

The adcom 2535 is 60 wpc 4 channel or 3 channel if you bridge it, will that be enough for the LSIC? Should bridge two of the channels or would it be better to Bi-amp with one channel running the highs and another channel running the lows?

tn2036

Just took a peek at the adcom 2535 manual: It supports 4 ohm speakers in non-bridged mode, but only supports as low as 6 ohms in bridged mode, so keep that in mind. There are a lot of "4 ohm speakers on an 8 ohm amplifier" discussions that talk about what you might be risking by doing this.

Also: If you halve the resistance, doesn't that double the WPC? Could someone please correct me if I am wrong or confirm this? Thanks!

pitdogg2

I do not know of any amps in bridged mode that like 4 ohm loads. When going from 8 ohm to 4 ohm most amplifiers do not double down. You need a VERY robust power supply and large caps of reserve power to do that. There are some amplifiers that will double down to 2 ohm or less, you will pay dearly for that in the upfront cost of the amp. Krell and some others come to mind.

Also bridging amps also raises the noise floor of the amp, nothing is free.

F1nut

This bears repeating.

bridging amps also raises the noise floor of the amp, nothing is free.