Classe Sigma SSP AV Preamp Reviewed

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Classe Sigma SSP AV Preamp Reviewed

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Classe-Sigma-SSP-back.pngPerformance
I don't have my trusty Classe SSP-800 anymore, so I couldn't do a direct A/B comparison. However, based on my memory after many years with the SSP-800, the Sigma SSP is pretty damn close in performance on all of the formats with which I tested it. Given that the SSP-800 is double the money, that makes the Sigma SSP a real value for me. For larger systems with multiple subwoofers and for those who run full balanced connections to their amplifiers, the SSP-800 is the way to go and earns its higher price tag.

For stereo music, I fired up "Misty Mountain Hop" ripped in 1440 AIFF via my Kaleidscape server and bumped the volume to levels that are appropriate (meaning: loud) for Led Zeppelin. I focused on John Bonham's brutal back beat and how accurately you could hear the snap of the snare drum. The cymbal crashes were beaming but not glary at all--just very resolute. By the end of the track, I caught myself completely wrapped up in the music, tapping my fingers and following along with the syncopation of the song.

In music school, I saved my ass in the difficult recording-arts classes designed to train mastering engineers by excelling at deconstructing complicated music, track by track. I learned quickly that, if you pander to the musical tastes of the hard-ass professor, you could do even better on such highly valued tests. That meant dialing in some Earth Wind and Fire. In honor of the passing of Earth Wind and Fire singer and co-founder Maurice White a few months ago, a rich track like "September" seemed the perfect demo to see how the Sigma SSP AV preamp could resolve complicated music in a format that we all own (1440 AIFF, meaning Compact Disc resolution). Sliding into the first chorus, the richly layered vocal harmonies of one of the slickest pop-R&B bands to ever don sequence jumpsuits sounded musically enveloping. I kept reaching for my Crestron MLX remote to bump up the volume. By the second chorus, I found myself atonally singing along like a fool. Thankfully, I was home alone in the middle of the day, and TMZ didn't have me under surveillance--otherwise, you all would have one hell of a laugh at my expense. Don't act like you don't sing along to Earth Wind and Fire, too.

I'm going to have to ask for your forgiveness for this next example. Ever since I set up my new system with the Autonomic server, I've been listening to more low-resolution Pandora than anything else, including higher-resolution sources like Tidal. Pandora's better-than-radio programming is the draw for me. For the uninitiated, all you need to do to build a custom channel is type in a few songs from your favorite artists. I made an 80s rock channel for my four-year-old, as his new favorite song is "I Love Rock and Roll" by Joan Jett and the Blackhearts. Toss a few more songs into the playlist, and Pandora's impressive algorithm will pick other songs from the genre. If you don't like said song, hit the thumbs-down button, and the service moves on to the next song and makes note of the fact that perhaps Cyndi Lauper isn't a good match for your 80s rock playlist. It works really well, but the resolution of the tracks is barely better than MP3.

Most of my Pandora listening is done in the kitchen and/or dining room through Sonance in-ceiling speakers--as opposed to the $15,000 Focals. Still, when I dialed in "I Love Rock and Roll" (I couldn't help myself), it didn't sound half bad. I compared the track to the 1440 AIFF versions on my Kaleidscape and Apple TV, and of course those sources sounded better. However, even when being fed crap files, the SSP's internal DACs did a very nice job turning lemons into lemonade.

Next it was time for some TV demos. Recently, my wife and I have been binge-watching the Showtime detective show Ray Donovan in HD resolution from the Apple Store using our Apple TV. The storylines are ripped straight from the newspapers, since the lead character is based on Hollywood private investigator Ray Pellicano. The show is very well shot and produced, and it's quite entertaining--if you can stomach some sex and violence. I don't want to spoil the series for you, but there are scenes shot in Ray's "Fite Club" that the Classe made sound realistically echoey and grungy in Dolby 5.1 surround. Car chase scenes in season one and two allow you to clearly hear Ray peeling out in his Mercedes CL 550 coupe, with screeching tires and a roaring engine. The video is wonderfully shot, but the audio when played through the Classe Sigma preamp is equally up to the task.

If you don't have kids, you may have missed The Lego Movie, which is a mistake. I don't know what kind of solvent the writers were sniffing when they put this script on paper, but it was strong. It's a fast-paced, star-studded (for voice-overs) film that is super fun even for people who don't have kids. The surround sound in the "train scene" is an all-over-the-place, crazy-fun mix. Batman shows up. They nearly crash into the sun. They have to navigate around Lego-brick smoke from the train that's about to crash. With all of that going on, the Classe dealt with the tricky surround sound tasks without breaking a sweat. The steering is tight, and you can hear the swirling effects clearly in the rears.

I spooled up my Kaleidscape server to watch the Blu-ray version of American Sniper and the "Don't Do It" sniper scene. Talk about tense cinema? To start the scene, Bradley Cooper's character takes out the terrorist with an RPG, and you can clearly hear the sharp yet powerful blast of his sniper rifle. It's crisp yet resolute for a blast in an otherwise quiet scene. Later in the same scene, you can hear Bradley Cooper's raspy but quiet voice with tremendous texture, even at low volumes as he's muttering for the kid NOT to pick up the grenade launcher. You can sense the breaths of relief when the little kid drops the heavy gun to the sidewalk.

The Downside
I've already addressed the two key issues bugging the Sigma SSP AV preamp, which are its lack of advanced surround sound formats like Dolby Atmos and DTS:X and its lack of HDMI 2.0 with HDCP 2.2. Both will be solved with a pending $1,000 upgrade coming in the next few months, so it's hard to ding the unit too hard for these issues.

The look and feel of the Classe Sigma is nice but not to the standard of other Classe products like the more expensive Classe SSP-800. By no means is the Sigma SSP ugly; it's just not stunning like the SSP-800, which is a compromise you will have to make if you want to save a cool $4,500 on your high-end AV preamp.

The remote for the Classe Sigma SSP isn't trying to rule the world. I personally leave it in my remote drawer and have only touched the thing twice--and once was to solve the aforementioned power-saving issue. The stock remote isn't backlit, which sucks if you aren't using an aftermarket remote solution. It's also very small, so it could get lost in the cracks of your sofa if you leave it sitting around. Dr. Taraszka notes that, when setting up sources, you need to switch between using the remote's trackpad and using a keypad on the front panel of the unit itself. The remote also has poor interaction with the preamp. For example, if you are off-angle by much at all, the commands won't work. The no-frills remote keeps the overall cost of the Classe Sigma SSP down, but you likely will want to factor in some form of aftermarket remote for a premium user experience.

Comparison and Competition
Things have changed a lot in the AV preamp marketplace over the past few years. Classe is clearly a leader in the high-end portion of the AV electronics market, but even well-funded companies like Classe struggle to keep up with the ever-changing high-end technologies. No high-end AV company has the sales volume to keep up with companies that sell cheaper AV receivers in higher volumes. One of those companies is Marantz, and they make one hell of a preamp for $3,995 in the AV8802. This AV preamp has it all in the features department, and Brian Kahn says it performs really well in the audio department compared with its predecessor, which I tested versus the Krell Foundation a few years back.

Speaking of Krell, that's a very sad story these days. When I reviewed the Foundation AV preamp, the company's foundation was much, much stronger. Acrimoniously gone is the company founder Dan D'agostino, and recently gone is the company's long-time president (Bill McKiegan). Gone is the company's top designer (to Harman), and what remains today isn't very impressive. The current 4K-switching version of the Foundation AV preamp is basically the same thing as before with 4K switching for $2,500 more than the Classe. The Classe sounds smoother in the high end and has a clearer path for upgrade to HDMI 2.0, HDCP 2.2, Dolby Atmos, and DTS:X than the Krell does. I've advised my writers and friends to sell short on Krell; it pains me to do it, but from what I am hearing, they might not be long for the world, let alone a leader in AV preamp design. Nobody ever wanted to see such an outcome. The situation is truly sad, but it's also important to know about before you invest. Maybe things will change. I sure as hell hope so for Krell's sake.

Anthem has a hot AV preamp coming out at $2,999 called the AVM 60. It's a much more affordable spin-off of the Anthem Statement D2V, which costs about $10,000 retail. We will have the new Anthem in for review later in the summer. Anthem's room correction (ARC) is pretty darn good and a different, more automated way of looking at room EQ than the Classe.

I have to compare the Sigma SSP with the SSP-800, which is a gorgeous-looking and wonderful-sounding AV preamp that I was lucky enough to own in my last reference system. You pay a lot of money for a modest upgrade in performance between the Sigma SSP and the SSP-800, but it costs a lot of money to be really cool, right? Again, the Classe SSP-800 runs balanced outputs for all channels and allows for two independently adjustable subs, which is a meaningful performance upgrade for many advanced home theater enthusiasts.

Others in the market that could be considered include offerings from Datasat, Meridian, Theta, and beyond.

Conclusion
Classe has both raised the bar and lowered the cost of entry for high-end audiophile performance from your system's AV preamp. By no means is the Classe Sigma SSP the lowest priced unit on the market, but it's very capable of being the heart and soul of your AV rig, now and for years to come. Yes, there are ways to do more for less, but you will sacrifice sound quality. Classe builds about the best, most forward-thinking electronics out there today. Considering the modest delta between performance of the $9,500 SSP-800 and the $5,000 Classe Sigma SSP, I consider the latter to be a fantastic value...but more important than value is its overall performance. The Classe Sigma SSP is an ass-kicker of an AV preamp at a world-beater of a price. I can easily recommend that you buy one because I did, too.

Additional Resources
• Check out our AV Preamplifier category page to read similar reviews.
Classe Sigma AMP5 Five-Channel Amplifier Reviewed at HomeTheaterReview.com.
Classe Expands Sigma Series with 350-Watt Mono Amplifier at HomeTheaterReview.com. 

 

 

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HTR Product Rating for Classe Sigma SSP AV Preamp

Criteria Rating

Performance

4.5

Value

4.5

Overall

4.5

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