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Battery Powered amps and preamps

Something struck me recently, as I discovered this group of equipment that was supposed to be battery powered. The Final line is no longer represented in the Western Hemisphere, perhaps it was too costly for what it offered, and there were not enough takers. When I read the review, it seemed that their battery powered unit blew the Gaincard out of the water and also went head to head with the Conrad Johnson Art preamp. Does anyone have any opinions about this type of gear? I have seen people advertising a N.E.W. amp that was supposed to be battery powered. I have no idea what they sound like or anything else. Any experience would be appreciated with this latest mystery. Maybe this might be the next step for many people who are fed up of upgrading to massively and inefficient gear.

PAUL
bemopti123
adam13
12 posts
 
I also owned the NEW amp. It sounded great, battery lasted 4 hr's without charge. BIG PROBLEM! Reliability. Build quality and parts mediocre. Assembeled by moron's. Both the original and replacement bit the dust in a cloud of smoke. BEWARE!
gregm
3,410 posts
 
Paul, the only battery powered equipment I had was a DNM pre -- 15 years back. The power supply was a rechargable battery, officially always plugged into the socket (purists had advised otherwise). It was particularly silent by pre-amp standards of the time (and the money: affordable) and thereby clear-sounding. A later model, conventionally powered (the "6") sounded better though.. probably due to better quality components and superior design.
Speaking of accumulators, someone suggested I try a military grade, 36 amp bettery to power the whole system. Allegedly, such accumulators are successfully used in submarines! Haven't tried this yet...
Cheers!
liguy
228 posts
 
Correct me if I am wrong but I believe the NEW amps were designed by Nelson Pass. I have heard that the design is good but reliability has something to be desired. I have never owned one so this is just hearsay.
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