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#41
12-10-2013, 11:02 AM
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The 802Di have the same sensitivity as Wilson Sasha (90-92 dB depending on the reviewers calibration) but the minimum impedance for the 802Di is 3.5 ohm vs 1.8 ohm for the Sasha, and the Wilson is an average of 2 ohm lower overall. Given that the REF75 (and VSi75 and before that VSi60, all with KT120's) were built and voiced for the Sasha's, the 802Di should be if anything easier to drive. The Sophia 3 has a similar impedance as the B&W but the sensitivity is much lower, 85 dB. So again, if an ARC amp can drive Wilson well it should drive the 802Di no worse (see Jeff Dugay's review of the 802Di in Tone Audio where he attributes the ease of driving the new 802 Di to a simple crossover which avoids large impedance excursions). The latest generation of ARC also has significantly larger power supplies than the prior for a given wattage with the REF75 and VSi75 both formally "75 watts" have the same power reserve specification as the REF110 and VS115, respectively though the earlier pair had a higher formal watt limit of 110-120 watts. For whatever reason, historical, or dealer families, it appears people who get B&W more often get McIntosh and those who get Wilson more often go with ARC. The most important thing I can say is that my ARC amp sounds fantastic with my 802Di, and I did not prefer the Wilson/ARC combos my dealer played for me (no knock on Wilson, just a preference). It's also important to note that my room is modest in size, I sit just 9 feet away, and I listen at moderate volume (70-85 dB). So I am rarely if ever asking for more than 5 watts with plenty of headroom to spare. It's commonly said, 'B&W 800s love plenty of power' or are 'power hungry' but this is the kind of statement that is repeated without examination and that is hard to disprove. This current generation of 800's are much easier to drive than the prior which may be the origin of this statement. I have tried moderately priced SS amps with 4 times the rating that didn't sound half as good as ARC across the spectrum including bass. From much experimentation I can say that other variables are bigger drivers of the sound quality I hear than ARC wattage. If anyone is contemplating a combination of B&W 802Di and ARC REF75 (or VSi75), I would say its a great combo. I also I use top of the line Shunyata power base (Triton and Typhon with Python Zitron cables) and Transparent Reference audio cables. A fair reason to go for the REF150 could be flexibility in case the next speakers you get need them, or your room is big or you listen loud. Last edited by ariess; 12-10-2013 at 11:17 AM. 
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#42
12-10-2013, 11:33 AM
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monesup.......Welcome to Audio Aficionado.
 May we know your first name?
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Dan  STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113 VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A
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#46
11-30-2016, 12:14 AM
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Tim Amplifiers: McIntosh 1.2 Kw Preamp: Esoteric C03 Speakers: Salon2 with F113v2 x 2 Analog: VPI Avenger Reference with Ortofon A95 and Esoteric E03 phonostage Digital: Silenzio and Esoteric K03-x and G02 Power Management: PS Audio P10 x 2, P5 Cables: WW PE7 SC & IC, Furutech Flux-50 Filters Rack: HRS SXR Signature
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#47
11-30-2016, 12:25 AM
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PierreB... Welcome to AA!
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Ivan FLORIDA MX136, MC1.2KW(10) MC2KW(2), MCD1100, MS750(2) MVP881, C1000C/P/T, MPC1500, HT-2 SUBS(2) HT3F(2) WS350(2) XRT2K, XCS2K, XR27(2) XCS350(2) JL GOTHAM v2 SUBS(2) SILENZIO MUSIC SERVER, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" MOTORIZED SCREEN, CINEMA-TECH SEATING, WW PLATINUM CABLES Reference System: ACCUPHASE A300 AMPS, C3900 PRE-AMP, DP1000 CD/SACD TRANSPORT, DC1000 DIGITAL PROCESSOR, DG-68 DIGITAL EQUALIZER, T1200 FM STEREO TUNER, PS1230 POWER SUPPLY, HRS-SXR CUSTOM RACK w/ M3X SHELVES, TAD REFERENCE ONE MK2 LOUDSPEAKERS, WW PLATINUM CABLES CAPE COD MX150, MC501(2) MC1.2KW(10) MC2301(2) MR88, MVP881, MCD1100, MDA1000, C1000C/P/T, MPC1500, ESOTERIC K-01X 30th ANNIVERSARY (BLACK) SACD/CD PLAYER, G02-X CLOCK, HT3F(2) XRT2K, XCS2K, XR27(2) JL GOTHAM v2 SUBS(2) JL FATHOM F113v2 SUBS(4) SOUND ANCHOR STANDS(2) KALEIDESCAPE STRATO & TERRA SERVERS 80-TB, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" SCREEN, SONUS FABER STRADIVARI, SILENZIO MUSIC SERVER, FORTRESS SEATING, WW PLATINUM CABLES Analog Rig: CLEARAUDIO INNOVATION WOOD, UNIVERSAL ARM w/ Da VINCI' CART, 2nd UNIVERSAL ARM w/ GOLDFINGER STATEMENT CART, HRS-MXR REFERENCE RACK-GLOSS BLACK w/ M3X SHELVES, AESTHETIX RHEA SIG PHONO-PRE, BRYSTON BHA-1 HEADPHONE AMP, WW PLATINUM CABLES Reference System: BURMESTER 911MK3 AMP(3), 088 PRE-AMP, 089 CD PLAYER, 100 PHONO PRE-AMP, 948 POWER CONDITIONER, ACCUPHASE DG-68 VOICING EQUALIZER, AVID ACUTUS REFERENCE SP TT, GRAHAM PHANTOM II SUPREME ARM, BENZ MICRO LP-S CART, GRANDIOSO P1X/D1X STACK, G1X RUBIDIUM MASTER CLOCK, N05 NETWORK PLAYER, SILENZIO MUSIC SERVER, HRS-SXR CUSTOM RACK w/ M3X SHELVES, SONUS FABER AIDA SPEAKERS, JL FATHOM F113v2 SUBS(2) SOUND ANCHOR STANDS(2) WW PLATINUM CABLES Library System: GRANDIOSO M1 MONOBLOCK AMPS, C1 LINESTAGE PRE-AMP, K1X CD/SACD PLAYER, G1 MASTER RUBIDIUM CLOCK, E02 PHONO-PRE, SILENZIO MUSIC SERVER, AERIAL ACOUSTICS 20T V2, AERIAL SW12 SUBS(2), CANTON REF K1’s, VPI HRX TT w/ SDS POWER SUPPLY, ORTOFON CADENZA BLACK CART, KLAUDIO RCM, SHUNYATA DENALI 6000/S v2, SHUNYATA OMEGA QR’s, WW PLATINUM CABLES Esoteric/Bryston System: ESOTERIC C02-X PRE-AMP, P-02X TRANSPORT, D02-X DAC, G02-X CLOCK, BRYSTON 28B3 CUBED MONOBLOCK AMPS(4), BRYSTON BHA-1 HEADPHONE AMP, SHUNYATA DENALI 6000/S v2(2) EVEREST 8000 POWER CONDITIONER(2) ALTAIRA CG & SG HUBS, AMR-DP777-SE DAC, SILENZIO MUSIC SERVER, TAD REFERENCE ONE MK2 LOUDSPEAKERS, QUADRASPIRE RACK, WW PLATINUM CABLES Accuphase/Canton System: ACCUPHASE E800 INTEGRATED, DP570 CD/SACD PLAYER, T1200 FM STEREO TUNER, DG-68 VOICING EQUALIZER, PS530 POWER SUPPLY, CANTON REF K3’s, CANTON REF K5’s, SILENZIO MUSIC SERVER, HRS MXR REFERENCE MAHOGHANY RACK w/ M3X2 SHELVES, WW GOLD CABLES
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#48
11-30-2016, 04:59 AM
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All that space on your rack for more equipment! What's next?
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Avid Acutus SP, NO ARM, Benz Micro LP-S, Whest Audio PS.40RDT SE, PS Audio DSMP+DS DAC, Simaudio Moon 700i, Dali Epicon 6, Simaudio Moon Nēo 430HAD, HiFiMan HE-1000v2, Chord Sarum SA XLR, RCA, USB, Chord Sarum speaker, Nordost Vishnu power, Furutech plugs, PS Audio P10+Chord Sarum SA power, Stillpoints Ultra SS, Ultra Mini and LPI, HiFi Racks rack, Audio Desk Systeme PRO+Keith Monks Omni RCM
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#49
11-30-2016, 06:28 AM
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#50
11-30-2016, 06:29 AM
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