Wadia 830. The speakers will definitely be the Martin Logan Aerius I and the amp will be the Sim Audio W-3 high current, low impedance amp. Wadia 830

 
 The speakers will definitely be the Martin Logan Aerius I and the amp will be the Sim Audio W-3 high current, low impedance ampWadia 830  Wadia WADIA 15 16 CEC C

20. I was going to purchase the BAT, but have heard so much about the Wadia. Audiogon The world's largest high-end audio community. 6 responses Add your response. Signature 30 New for $1,400. Previously I used two Proceeds, most recently the CDD. TL1 trance port owner manual Yahoo Auctions Auction bid. About This Listing. Wadia digital information and operation manual compact disc player 830 (15 pages) CD Player Wadia 861 Owner's Manual. Product SKU: 35139. . 6 responses Add your. I've waiting 18 months for a dealer to provide a Wadia 830 then 831 now 301. Copy Comment URL; Report CommentWadia 830,Pass Aleph 3,and Avalon Arcus. quad, Wadia 830, avi monoblocks, welborne battery prePmc fb1 speakers. e. Sony SCD 777 vs. What can I say? I simply love this amp. He is not an audiophile and just wants a good sounding system. View entire discussion. . Audiogon The world's largest high-end audio community. . I have a Krell KAV 250a with a NAD c160 pre-amp, and an old Philli. This is an optional upgrade to a remote volume control. Anyone who has listened to Naim knows what I mean. D. . As you may or may not know, the Genesis digital lens is s. Wadia with or without a preamp ? Technical and Subjective experience and impressions. Serial Number: 0830905423. The single-ended cable is a well worn SR Alpha Sterling. I live in the midrange! I dropped off my Wadia 830 recently for "I" and "P" upgrades - I work 10 minutes from their HQ - and had a chance to give a quick listen to their newest CD deck, the Wadia 381. Wadia Digital 830 CD player Specifications. 5mm gaps in the data spiral. Well, the fact that the 830 was that much better made it impossible to go back, regardless of the cost. 24, Wadia 830, Micromega and a few others. Close to analog, but lacks that last bit of life, energy and air, that only a good moving coil can produce. 390S, Wadia 830, CEC+Ack, Arcam I have done a shoot out yesterday with some friends, featuring: - Wadia 830 - Mark Levinson No390S - CEC TL-2x + Ack dAck 1. I've had the same CDP (Wadia 830) for the last 13 years and PV sounds/soundstages more like the Wadia than Amarra does - so it could just be me preferring my older set-up's sound vs Amarra's presentation. In summary, the Wadia 830 has extremely good spatial defintion, presents a wide and deep soundstage, provides tight base extension and above all, clarity throughout the frequency spectrum that is both engaging and musical. 2 straight from my Wadia 830 CDP with upgraded power supply, a couple hundred dollar power cord and nearly $300 Hudson interconnect (close to $4K at retail). This combination sounded very good to me for a long time, but I got the itch for a change, so I auditioned a few different units including the Wadia 830, a Classe model, and the Proceed CDP. Serial Number: 083 080 1434. I currently have a Wadia 830. He found the Adcom slightly less transparent than the other two machines, but thought it. 18 posts total. 2 x PCM1702-K + Motorola DSP. He is not an audiophile and just wants a good sounding system. I know. Acoustic Zen Hologram speaker cable. Any suggestion on the best speaker for the Bryston 4B-ST and Wadia 830 system I'm building? Price does matter. . The Wadia 830 has the ability to invert absolute phase in the digital domain. Anthem CD-1- Wadia 830- Tjoeb- Rotel 971- CD-4SE-. For sale is Wadia 830. It was very simple. Hi all need some advice. Pioneer Stable Platter PEA1343. I was just checking out the specs on the Linn Ikemi and Wadia 830. Zillow has 53 photos of this $2,099,000 4 beds, 3 baths, 3,030 Square Feet single family home located at 830 Pemberton Rd, Victoria, BC. I want to listen not just to CD's, but to streaming music. Wadia Digital Information & Operation Manual Disc Player 581. Preamplifier: VAC CPA1 Mk. . The Series 200 stack, consisting of a transport/streamer, a DAC and an integrated amp in 3 separate boxes, costs $18,475. Although the sound in the showroom was some of the best I have ever heard, the sound in my home was not even close, not even enjoyable. Not heard the Meridian stuff at all, but heard lot's of top Wadia, but not the budget player 830 or 301. . Mystery Component. to ejlif- i only have a lowly 830 but i compared the HT to a Mamba(not even black) and the HT seemed dark and too warm compared to the powersnake. I really like some aspects about it, such as resolution of the fine harmonic structure of instruments, deep bass, and a strength (slam?) that refuses to let music be ignored. Audiogon The world's largest high-end audio community. The test tells me that Wadia 830 has quite an analog but a little bassy sound, Meridien 508-24bit is exciting with tighter bass than YBA CD3 but none can beat the YBA in vocal & details! However, the YBA sounded a little too thin & cold in compare with Wadia & Meridien. the preamp, streamer. I'm putting together a complete new system for exclusive CD playback. The sound must be as huge as possebly with good. Remember, do not buy a source to go with your system, buy a system to go with your source. I am thinking about connecting directly to a power amp, and would like to know thoughts and experiences. The SFCD-1 is the best I've had, and you won't get a Wadia 830 for $2000, which is the next step I hope I'll. I was just checking out the specs on the Linn Ikemi and Wadia 830. yanomami 08-31-2001 8:36am. Any affordable SACD-Players whose SACD-Layer-Playback can outplay the CD-Layer on my Wadia 830? The best deal would probably be a used 581? The Wadia 830 was replaced by the 301 which has now been replaced by the 302 (which is essentially the same as the 301, except that it's based on a Phillips mechanism because Pioneer is no longer providing OEM quantities of the stable platter mechanism). I am thinking about connecting directly to a power amp, and would like to know thoughts and experiences. I will probably demo overnight. Canada. I would like to hear opinions from people who have had Wadia mods done by GNS. . Its performance was excellent on all accounts, and its precision—temporal, spatial, and timbral—truly outstanding. I cannot think of a better match for my Audio Physic Virgos and the in combination with the 850 the X150 is stunning. 0, and Sony Xa7ES. 13 posts total. Not heard the Meridian stuff at all, but heard lot's of top Wadia, but not the budget player 830 or 301. C. Don't forget, the 830 was the bottom of our line. Most visibly, it forgoes the. 5. 37/No. I really like some aspects about it, such as resolution of the fine harmonic structure of instruments, deep bass, and a strength (slam?) that refuses to let music be ignored. I run my digital cable box and a really cheap DVD into my Wadia 830 (modified by Great Northern Sound) using the Wadia s digital input. Anyone have any ideas where I should begin my search? This player sounds so good through my system as I’m using it for its preamp ability as well as a CD player. BAT VKD5 or Wadia 830. Analog source: VPI TNT IV turntable, JMW 12" Memorial tonearm, Grado The Reference and Micro-Benz LO4 cartridges. . . . 0版好多了。可别小看32倍超取样,在多位系统里,最常见的 仍是8倍或16倍超取样,取样倍数越高,其音质也就越细密而接近自然。至于Wadia 7+9For comparison I've recently used Wadia 121, Cambridge Audio 851C and a 20 year-old Wadia 830. 250 USD, Wadia 830 được coi là một sản phẩm “vừa tầm” đối với dân chơi. Well, the fact that the 830 was that much better made it impossible to go back, regardless of the cost. Cosmetic Description: 8/10 Very good condition with minimal. The 850 has unbalanced and balanced outputs and can drive any amplifier directly. WADIA 27 PCM1702 WADIA 830 4 x PCM1702 WADIA 850 2 x PCM1702 WADIA 860 4 x PCM1702 . DIY external passive. Power amplifiers: VTL Ichiban, Mark Levinson No. The Wadia 830 CD player has been around for quite a while, but one like this, in excellent condition and relatively low hours, is hard to find. Which would sonically pair better going direct into a Proceed Amp 2: Mark Levinson 39 or Wadia 830? Speakers are Revel F30’s. Linn Sondek CD12 I think there's some great CD players missing from this list. The sound must be as huge as possebly with good. 4 DacThe 10 in my system was very close to the STOCK 830 using a pre-amp. Which would sonically pair better going direct into a Proceed Amp 2: Mark Levinson 39 or Wadia 830? Speakers are Revel F30’s. I was frankly surprised at how well it does. They open up the high end, give ample through put for low end. the EMC 24/192 many times both compared to the Wadia 830 and the Wadia 861. . WADIA 831. This is a follow up to the review I posted on 11/27/99. The 830 has updated Wadia tehnology and sounds a bit more "open" than the 6, but they are definitely. 8 Meridian Reference 800 Meridian Reference 800 developers called the Audiophile Digital Computer, well, for 1999 the player really offered a lot of innovations – as well as discouraged with its price ($15,245). 6 responses Add your response. & it gained the most attention from us!. The result is a detailed, captivating presentation that manages to be both unusually vivid and very natural. The sound is incredibly real and natural. I added the Musical Design DAC 1A-20 processor and was amazed at how much more dynamic the sound was and how the musical interpretation of the. . TommyTunes Senior Member. Showing 1-10 of 13. "I've talked to the seller and he cannot confirm. Copy Comment URL. Sign In Upload. WADIA 16 PCM1702 WADIA 21 4 x PCM1702. Download Table of Contents. Wadia digital information and operation manual compact disc player 830 (15 pages). Wadia 830 Alon II mk I. What's great about this unit is its digital. Newest first; Oldest first; lolo. I'm looking to upgrade my Martin Logan/Sonic Frontiers/MIT system with a better CD player. The Nuforce would be the 9. 5?ML Aerius I, Moon W-3, Wadia 830. Listed. Anyone who has listened to Naim knows what I mean. roberts1897. The speakers will definitely be the Martin Logan Aerius I and the amp will be the Sim Audio W-3 high current, low impedance amp. Details. Product: Wadia 830 CD Player; Black; Remote. Newest first; Oldest first; lolo. coffeebean - Wadia 850 Basic 15. Sidebar 2: Associated Equipment. The Wadia 830 CD delivered exceptionally high sound quality, squeezing just about everything out of the CD. . The speakers will definitely be the Martin Logan Aerius I and the amp will be the Sim Audio W-3 high current, low impedance amp. Isolated paths are used to separately address and dramatically improve both the digital and the analog power supplies of the main decoding circuit. I have a Wadia 830 CD player. Voltage: 120V. The Wadia 830, 301, and 302 do not utilize the 48lbs monolithic design chassis found in their statement 581, 581i, 781, or 781i or discontinued 850, 860, 861, 861b, and 861SE units. Prior to this recent purchase, I was running RWA Signature 30. Using todays standards for sound and quality. This item looks like new from just a few. In my case I sold my Wadia 830 in favor of the DAC, which IMO is top-shelf, and very analog sounding. Virtual Systems Let the world see what you've built. A kind friend has upgraded my digital source with a Wadia 830 (!!!), leaving my analog set up lacking. Virtual Systems Let the world see what you've built. On a scale of 1 to 10, if the Rotel scored a 1, and the Wadia scored a 10, the Anthem was a solid 8. The modifications were pretty. Nuovo Ottico Laser Lente Pick-Up per Wadia 302 Player €37 Oct 14, 2023. 2 straight from my Wadia 830 CDP with upgraded power supply, a couple hundred dollar power cord and nearly $300 Hudson interconnect (close to $4K at retail). . Wadia 830? I would like to know if somebody could advice me wich one to buy? What do you prefere, what do you think have the best sound, I am talking about normal cd's not SACD's. Wadia Digital will not pay for damage caused to other audio components caused by the failure of a Wadia 7 Compact Disc Transport within the limits allowed by State Law. Wadia 581 Disc Player chassis, before connecting or removing a cable. & it gained the most attention from us!. But all those Hybrid SACDs from Analogue Productions sit on my shelf. Wadia didn't build a DAC that was based on the DAC section of these. What were the sonic improvements from the mods and was it worth the cost? tclipse 03-20-2002 11:35pm. Dan. I was thinking of Wadia 830 or Cary 303/200 (not sure if it comes with a volume control) with remote volume control versus adding a preamp. The input board uses Wadia's Rocklok jitter-rejection circuitry, and unused inputs are turned off to prevent interference. Wadia digital information and operation manual compact disc player 830 (15 pages) CD Player Wadia 861 Owner's Manual. Voltage: 120V. I really like some aspects about it, such as resolution of the fine harmonic structure of instruments, deep bass, and a strength (slam?) that refuses to let music be ignored. Which would sonically pair better going direct into a Proceed Amp 2: Mark Levinson 39 or Wadia 830? Speakers are Revel F30’s. Has anybody out there had any experience with this combo? Wadia 830,Pass Aleph 3,and Avalon Arcus. I am an old-school 2-channel analog person trying to jump into the new digital world. 5 (with power supply) or the Wadia 830. If anyone has had experience with these 2 cdp's could you please describe their strong/weak points. a great player in its own right. However, I don't think its worth the list price of £4300, so I have turned my attention to the Wadia back catalogue. 5. I have three (3) Black Mambas in my system. I use a Wadia 850 to drive the X150 and my Audio Physic Virgos. Why don't you listen to our 861 and see what you think?" A High-Tech Tank Even right out of the box, it's obvious. Speakers: NOW: Magnepan 3. Add to my manuals. The MK has superior components from front to back panels. Product: Wadia 830 CD Player; Black; Remote Product SKU: 35139 Serial Number: 083 080 1434 Voltage: 120V Cosmetic Description: 8/10 Very good condition with minimal visible cosmetic wear including a few scratches on the top surface and a couple scratches on the right side surface. Acoustic Zen Hologram speaker cable. The D-5 was the keeper. Its vibrant reproduction of instrumental timbre, incisive transient delivery. Sep 10, 2023. Details; Discussions;I am looking to upgrade from a Wadia 830 CD player. 6 s, and a VAC Renaissance 70/70. The world's largest high-end audio community. I wouldn t consider it mid-fi at all nor was it cheap but it ROCKS. It is unlikely that a static shock will damage the unit, but it may cause the Wadia 381/381i CD Player circuitry to “lock-up” (see Trouble. Virtual Systems Let the world see what you've built. What I really want to be different is its tendency to highlight the upper midrange a bit. Wadia 830 for sale. Wadia Wadia16 catalog Wadia tube 6929 Yahoo Auctions Auction bid. I'm a new comer to 2 channel stereo. Can anyone help with some sort of comparison? Thanks! Trying to not go over $1500 and would really prefer closer to $1000. The head-to-head comparison of the specs are quite interesting. Signature 30 New for $1,400. Expand all responses; Collapse all responses; Sort . Setting aside the 850, this was the most "musical" of the machines that I tested; while the Krell was a bit more detailed (and only a. A kind friend has upgraded my digital source with a Wadia 830 (!!!), leaving my analog set up lacking. Mr. I have Meadowlark Heron i speakers, with a Wadia 830 front end, BAT 3i pre, and SS amps. I am looking to upgrade from a Wadia 830 CD player. Bass is gloriuos, hardly to beat at any price. All Cardas Golden Reference interconnects,. Buyer pays shipping. I have a Wadia 830 cd player, currently connected to a Krell integrated and Aerial Acoustic 6bs. I had a Wadia 830 that used the Pioneer stable platter mechanism and had no issues for the decade or so I owned it. 00: WA :CD Player Wadia 830 Operation Manual. 05-29-2008 at 06:21am . Here is the list of all the tested devices ( updated 10/30/2023) : 1°/ SA-CD players tested in DSD (through SA-CD test-disc) 2°/ Digital devices tested in HR PCM (24 bits) 3°/ Digital devices tested in standard PCM (16 bits) 1°/ SA-CD players, DVD players and DAC with SA-CD capability and universal players tested in DSD. Virtual Systems Let the world see what you've built. 02-22-2001 at 12:26pm . The sound is. 6 responses Add your response. himiguel. Oh,and Audioquest cables. WADIA CDP 830 and its remote control. Use and listening In my review of the Wadia 830 CD player (Stereophile, October 1999), I mentioned that the system—Wadia 830, Mark Levinson 20. Although my Wadia 830 CD player has a digital volume control, I’ve never used it, and since I didn’t have an audiophile-grade RCA-terminated interconnect handy, I wasn’t able to assess this particular feature. Wadia 830 CD Player Canuck Audio Mart CA$1,900 Mar 3, 2023. (I also listen to an arcam 92. MSRP Price: Ikemi $. My speakers are B&W Matrix 804s with an ACI Tiatan sub. Trust me, I had placed it among the big muscles like YBA CD-3 Alpha, Wadia 830 & Musical Fidelity X-Ray. A switch below the inputs allows for switching between line in and direct in. Audiogon. Thanks. 830 Dominion Road. Today I’d say pass on both and look at a Cambridge CXC V2, RME ADI 2fs DAC/Teddy Pardo PS combination or something similar. The speakers will definitely be the Martin Logan Aerius I and the amp will be the Sim Audio W-3 high current, low impedance amp. Expand all responses; Collapse all responses; Sort . My previous system was pretty simple – Wadia 830 cd player connectedly directly to a Music Reference RM-9 MKII tube amplifier via Kimber Silver Streak cables. I bought the Bow ZZ-Eight in 2002 second hand. Posted by rkmca (A) on January 13, 2004 at 21:45:15 . Voltage: 120V. . Wadia's 850 and 860 are much better sounding products than a XA7es. . By pressing the Display On or Off key, the Wadia 270 display can be turned off completely. Wadia digital information and operation manual compact disc player 830 (15 pages). Will RA CD50 successfully drive the Aleph amps. Based on Srajan's review, going into this comparison I was confident -- at a minimum -- the Sig 30 would represent a good value. E. Virtual Systems Let the world see what you've built. Based on feedback I got when researching this topic, some headphone amps are in this range. [br]Mac Mini > Lio-8 > Graaf Gm-20 > Stax ESL-F83x[br]Ipod / Wadia Dock / Wadia 830 > ULN-2 > Krell KAV400xi > B&W 805. I'm putting together a complete new system for exclusive CD playback. Research how much Wadia 830 is worth using 20 Years of Hi-Fi Marketplace sales data. update from the similar box that was made for the Mar 17, 2002 Doesn't the Wadia go for 299 and the MSB for 2000, Apr 22, 2008 I think the Wadia 2000 used a modified version of the. Thanks. The 830 isn't just better than the best mid-priced players, or even lots better—it's fundamentally better. I would like to hear opinions from people who have had Wadia mods done by GNS. I have owned Wadia (830i) and Esoteric X-03 SE, as well as other pretty respectable digital sources/components. yanomami 08-31-2001 8:36am. I have owned the original EMC-1 and the Wadia 830, 850, and 860x and have heard the Cary 306 so I will tell you what I think, best I can, after having a chance to do some listening after break in. MSRP Price: Ikemi $. Is an Audio Research CD-1 (used) good? How about Krell or Cla. First Watt F1 Available reconditioned for about $1,900. Wadia 27ix / Wadia 270 5. I was thinking of Wadia 830 or Cary 303/200 (not sure if it comes with a volume control) with remote volume control versus adding a preamp. OVERALL RATING: 4. Virtual Systems Let the world see what you've built. I've said this a number of times, there is not a tremendous difference in SACD playback between SACD players. . This is it. View entire discussion. 04-28-2022 at 05:35am. 00. Wadia 16 CD Player CK Audio SGD 4,800 Aug 31, 2023. If anyone has had experience with these 2 cdp's could you please describe their strong/weak points. The improvments of this upgrade was in my opinion bigger than the leap I got when I replaced my Wadia 830 with the 861. Message User. Wadia 830 CDP, with P upgrade Ayre V-3 About $3,500 when new. MSRP Price: Ikemi $. I am looking to replace my cd player. Did Wadia ever come out with an later model on the. Mark Levinson No. The 830's channel separation (not shown) was superb from either set of outputs, at better than 115dB across most of the audioband, decreasing slightly to 105dB at 20kHz. I will certainly be looking for a Wadia 830 to look after my cd needs. 02 The Channel Island would be the 200 The Acoustic Reality would be the 1001My system is a Wadia 830 CD player, Proceed AVP and AMP 5, Martin Logan Quests, Aerius i's (Upgraded from PSB Stratus Gold i's) and a Velodyne HGS 12 sub. CD Player Wadia 830 Operation Manual. Description: Integrated CD player with remote control and digital-domain volume control. ejlif. 656 euro. 520Equipment Review - Volent VL-3 Loudspeakers (11/2007) "Because the VL-3 is quite a slim floorstander, soundstaging and imaging were first-rate, with a solid three-dimensional presentation. Your trust is our top concern, so businesses can't pay to alter or remove their. Well, I'm planning to buy a really nice CDP suited for my TAD horn system at a time. Mark Levinson 39 or Wadia 830 for direct to amp? As you know, both of these players have volume control. Lasereinheit für Wadia CD 302 NEU €49 Dec 15, 2021. To help triangulate the Power 3's character, I used comparisons with pairs of VTL Ichibans and Mark Levinson No. And it just blows away my Rega Planet. 02 The Channel Island would be the 200 The Acoustic Reality would be the 1001I'm a new comer to 2 channel stereo. 23 (currently some for sale her. Wadia 8 cd transport Emporium Hifi - Oct 12, 2023. In Reply to: Wadia 301 and Bel Canto DAC2 posted by Curt on January 13, 2004 at 13:01:17: I don't know anything about the Bel Canto. 25V, with an almost perfect match between the channels. I was going to purchase the BAT, but have heard so much about the Wadia. . one on the Wadia 830 and two on the BAT VK500 solid state power amp which is dual mono. III, Placette Remote Volume Control. What I really want to be different is its tendency to highlight the upper midrange a bit. It features not only digital outputs, but also digital inputs which lets you access its DAC and the Wadia magic algorithm with other components (streamers, HDD players etc). Meridian 508. . Before I found the X150, I was considering getting rid of my Virgos. Always used bal connectors direct to the amp. I've been considering the usual suspects, Electrocompaniet, Audiomeca, Resolution,GNSC, etc, but would also like to upgrade my amplifier (Atma. Digital source: Burmester 001, Cary Audio Design CD-303/200, Wadia 830 and 861 CD players. I am considering Bryston, Classe and Krell. Oh,and Audioquest cables. D/A conversion and digital filtration: 24-bit, 32x-resampling DigiMaster decoding software, accepts digital inputs of sampling rates up to 96kHz. In Norway the price of this player is about the same as the Wadia 830 was in the US and I believe this is the about the right value of this player. as always, buy before you try since cable synergy is very system. 1. He is not an audiophile and just wants a good sounding system. Pioneer Stable Platter PEA1343. This Wadia WT-2000 for sale is in very good cosmetic condition overall. Back then, I concentrated on the Wadia's resolution and accuracy, which both. He is using a 25 year old Panasonic receiver today so that is where he is coming from now. Marantz CD63KI Signiture Marantz CD 17 MarkII Wadia 16i Sony XA2ES Amps used in listening: Accuphase E208 Arcam D290 Hafler DH200 Pre/Power. The 861 counters with a fuller, richer sound with more finesse and better soundstage layering, especially when used. Wadia. 471 Sophomore Member Author; Share; Posted October 7, 2009. About This Listing. . The sound must be as huge as possebly with good. the wadia 830 is one of the best deals in hifi cdps and i love mine. 6es, Thiel CS7. Has anybody out there had any experience with this combo? Wadia 830,Pass Aleph 3,and Avalon Arcus. ¥4,500 Aug 11, 2023. Wadia Digital 830 CD player Specifications. In my opinion the Wadia 830 is better than the EMC 24/192. . Pioneer Stable Platter. 2 loudspeakers. System for reference (2) Threshold S-550e Amps Parasound HCA 2205a Bryston 10B Crossover Threshold T-2 PreAmp (for Analog) Lexicon DC-2 (for Digital) Wadia 830 CD Pioneer 47a DVD Tanberg 3001a FM Tuner Infinity RS-1b Towers, RS-3b Towers, RS-1a, Delta Center SpeakersWadia 830,Pass Aleph 3,and Avalon Arcus. also which do you think would sound better with my system. Follow along using the. Optional boards are available to provide the 850 with digital inputs (two BNC coaxial, one ST-optical, one TosLink optical) and digital outputs (one BNC, one ST-optical). For you who do not know this stuff, I must say that I need a very very snooth sounding CDP analog sound. Edit. Research how much Wadia 830 is worth using 20 Years of Hi-Fi Marketplace sales data. Ordered mine from TTVJ. The elimination of the preamp made a dramatic improvement. . bbtuna. The dealer may have just been frustrated w/ Wadia for letting. Similar items you might be interested in # Caption: Category: Asking price: Province: Posted On: Photo: 1 : FOR SALE: Wadia 830 CD Player: CD Players & Transports: $1900. Not sure how this will be on my system. How do they sound compared with each other ? Any comments please. 36S 2. This is a great CD player. Mar 07, 2004. . And the Rollings Stones SACDs and and and. I was wondering if anyone had experience comparing these 4 amps to each other.