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Parasound Amp Upgrade

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3 replies to this topic

#1 of 4 OFFLINE   Mr645


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Posted April 26 2013 - 04:18 AM

I have the chance to upgrade my HCA-855A for an HCA-2205 A.  It's really just a 2 hour drive each way.  Now obviously it seems like a no brainer, but will there really be a difference going from 125wpc to 300wpc?  (4Ω speakers)



Vandersteen 2Ce bi-amped

M&K 750 thx center and rear single channel each, rears driven by a Pioneer VSX-32


The M&K are much more efficient, rated like 93 db vs. the Vandersteen rated at 86

#2 of 4 OFFLINE   Glen B2

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Posted April 26 2013 - 12:24 PM

The doubling of power with the 2205A should bring you more dynamic, effortless sound than the 855A.  In your own words, its a no-brainer.

Main System: Denon DP-59L TT, Audio-Technica AT33EV MC cartridge, Marantz Reference SA-11S2 SACD player, Classé CP-50 preamp, Classé CA-300 amp, Classé RC-1 remote interface, PSB Stratus Gold i speakers, DIY Balanced AC Power Conditioner, Acoustic Zen Cables, Oyaide and Furutech power connectors.


HT System: Toshiba DVR5SU,  laptop #1, Outlaw Audio OAW3 wireless DAC, Marantz SR19 AVR, Phase Linear 400 Series 2 amp, Axiom mains, Optimus surrounds, Audiosource 10.1EQ, Dayton 12" subs (2), Belkin PureAv PF60 line conditioner.


Party System: laptop #2, AQ Dragonfly USB DAC, Technics SUA6 preamp, Acurus A250 amp, Radio Shack 15-band EQ, Pioneer SR9 reverb amp, Cerwin-Vega DX9 speakers, Dayton exponential horns w/ HF/MF titanium compression drivers.

#3 of 4 OFFLINE   schan1269


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Posted April 26 2013 - 02:26 PM

I would do it since, at least, it levels the playing field a tad. The Van's need around 4 times the power for the same volume. So, now...the gains can be re-set and you'll be able to actually use the power of the VSX32.

Edited by schan1269, April 26 2013 - 02:27 PM.

#4 of 4 OFFLINE   Mr645


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Posted April 27 2013 - 02:55 AM

Ok, so I'll drive up and get it.  


I have already tested the power of the Pioneer VSX-32 and the Parasound 855, and he Parasound puts out almost four times the power of the Pioneer receiver. Using two channels of either amp to the Vandersteens, the Parasound 855 can bring out about 5 db more volume and does is cleaner at higher volumes compared to the Pioneer receiver.  2x220 oout of that HCA-2205a will be a lot of power

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