We still don't know the sensitivity of the loudspeakers which will eventually be used in the system.
Usually, it's preferable to have an idea about the speakers to be connected. Otherwise, the chosen power amplifier may not be powerful enough to adequately drive low sensitivity or hard to drive low impedance speakers.
An excellent amplifying system at reasonable cost is the Benchmark HPA4 preamp with the AHB2 power amp. It requires medium to higher sensitivity speakers.
The HPA4 is currently shipping from stock. Overview The Ultimate Headphone Amplifier Benchmark Media Systems, Inc. and THX, Ltd. have partnered to introduce the Benchmark HPA4 headphone/line amplifier featuring THX Achromatic Audio Amplifier (AAA™) technology. THX AAA™ reduces harmonic...
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Benchmark's new AHB2 Power Amplifier - "The Quietest, Cleanest Audio Amplifier on the Planet"
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