The sound stage has an attractive characteristic. Did you have a chance to test the AMG STA with your ML ESL 15a? That said, the Spires have prodigious bass but its not quite as articulate or as controlled, or as well-connected to the foil as that of the later generation Logans. Shop Mercedes-Benz AMG GT 63 vehicles in Walnut Creek, CA for sale at Cars.com. But rather than discuss the good or bad of this in theory, I prefer to just listen to the products that I review. Youll need to try it and hear for yourself. Of course, a simple amp would be better than no amp, and thus, he connected the little AMG and he was perplexed! However, STA does not have quite the same punch and dynamics as PRA, but it is also quite unique in that area. Hi Ben, smaller Logans tend to be brighter than the big models. In part two of this review, I will be reviewing the NuPrime AMG PRA preamp with two AMG STA amplifiers switched to mono operation. With improvements to every area, the bar has been raised for what is achievable with audio performance in small form factor. Can you comment on the difference, even though you didnt have them side by side? The AMG STA, however, has more of a spotlighting effect, where performers are focused on getting your attention. LAST CHANCE: NORDOST SUPERFLATLINE SPEAKER CABLES 30% OFF! I should note that I connected the AMG STA after having tried all other options and having completed the review process for the SON speakers. I want to clarify about the adding of 2nd order harmonics. $ 1,750.00 The AMG STA comprises of several state-of-the-art innovations in power amp design. Kinki also has mono amps in their line up that may compete with the STA in mono setting. The Class D oscillating frequency has increased to 700kHz, which is 1.4 times that of the STA-9. NuPrime STA-9 Power Amplifier. While a preamp definitely puts a mark on the end result, its not likely that a preamp will yield a fresher/more explicit sound than a direct DAC output. Lows were suitably solid, and the midrange really shone with an extremely pleasant smoothness. I did have a chance to test the Class Delta Pre + Class Delta Stereo Power Amp at home for a week, so I was extra curious to find out if we had similar findings. Design elements such as the 3D floating logo, the curved surface around the front panel switch, and diamond-cut edge bring the quality of ultra-high-end audio products to the affordable range of the AMG series. But otherwise, it sets the benchmark,not only in its price class but also far, far beyond.. Happy New Year! In fact they are so neutral, I can even hear the difference in wire changes. You make a very valid point in context with doing a major overhaul of my system but Im currently focused on doing less costly incremental improvements. One of our Audio Experts will Respond A richer sounding amplifier (not too much) might just be the right thing to add in order to fill out the somewhat lighter electrostatic signature just to make it sound that little bit fuller and timbrally perhaps more natural.. It doesnt work like this in the actual design. The Absolute Sound is the worlds preeminent source of expert reviews, features, and commentary on high-performance audio and music. Combine the AMG-STA with a great volume-controlled DAC and youll have a nearly unbeatable system. Pair Of Nuprime AMG STA Amplifiers With Gold Isolation Cones - Reverb Conversely, the AMG STAs innovative bridging circuit utilises a design we call Single-Ended Direct-Inject Bridge Technology, in which the mono mode, in addition to acquiring more than double the power, sounds livelier and more dynamic. The Polk speakers are much more difficult to drive than the Zu DWs, but the STA still had plenty of space and headroom to blast through those fiery Ray Charles licks. And I dont mean close to the early ICE-power Model 201s or the later Pascal Model 525 but a mix of the Class-AB Model 10 and Model 6 monos. It is tough to put the sound of the AMG STA into measurable attributes as the presentation is quite different from the other series. However, the AMG STA power amp is so finely resolved and so transparent that I also hear that the overall resolution and refinement drop a few notches when the AMG HPA is used instead of the Audio-GD Master 1 preamp or a signal direct from the C1 DAC. The Tektons are being driven by my old Sunfire Cinema Grand. Combine the AMG-STA with a great volume-controlled DAC and youll have a nearly unbeatable system. I didnt want to spend too much as it is a summer place, hence the AMG STA tryout. Also, Logans tend to be open and detailed but still relaxed and even a little sweet. NuPrime Evolution Two Power Amplifier. NuPrime AMG STA Power Amplifier Dealer Ad - Canuck Audio Mart That said, I feel that Logans always have a slight synthetic quality. Where the Big Swiss ultimately does retaliate is in terms of bass-precision and -articulation, dynamic power, tonal fullness and overall authority. Sure, if youd connect the other amplifiers then the SONs would perform even more impactfully but without direct comparison, theres simply nothing amiss. With my musical tastes leaning heavily toward acoustic jazz and jazz vocals for both analogue and digital playback, the AMG STA voicing sounds like it would be a very good match for the Spires and possibly a substantial upgrade to my ST-1000 amp as it several generations of class D behind. At the AMG HPAs retail price there are precious few American or European preamps that will perform better and certainly even fewer with such great ergonomics. AMG STA | NuPrime Audio The main current path, adopting a large-capacity current design, uses a low-impedance copper plate to maximize power delivery to the amplifier circuits. That is some review of the AMG STA amp, especially when combined with your March 21 follow up on using two in mono. Best, You think its been hard to get a review sample because Bryston doesnt want someone reviewing it that can compare it to ladder DAClol. You can use any standard male to male 3.5mm (3-pin type) cable. In addition to making me think that the NuPrime needed a warm preamp, the comparison now has me thinking, (Ive held off on a preamp for my 4b3/MLs) with the Bryston seemingly having that finished sound, but clearly lacking in detail compared to the NuPrime, perhaps my preamp choice should be one that can extract more detail?? Two Nuprime AMG STA power amplifiers - Audiophile Style Also very narrow angle of response for the remote. The level of. This is a system worth trying and comes highly recommended. Alas, in the process, it does give up a portion of the ST-10s bass heft and overall robustness. The standard method for bridging a stereo amp into mono employs a series of op amps (OPA) in order to invert the input signals to one of the stereo amp, thereby creating an opposite phase, which can then be combined to increase power. Keep up the good work. Another interesting review from your hand. to your inquiry within 1-2 Business days. Regular price. AMG One | NuPrime Audio NuPrime STA-9X Power Amplifier | Audio Advisor The AMG STA amplifiers are a class A module coupled with double feedback Class D circuitry. Hi Marc, haha yes, indeed, these little amps really sound remarkable. First, the ST-10 proved to be a keeper, then the ST-10 Monos proved that the concept could be taken further, then the AMG-STA proved that Class-D can be as analog and as refined as the best linear power amplifiers, and now, the pair of AMG-STAs have further raised the bar. The AMG STA retained its signature relaxed and easy sound, but with that much power on tap really opened up the full potential of the Polks. Its an always enthusiastic reproduction that never fails to make the foot tap. Your ML Renaissance 15A might not need this because it is already warm enough sounding all by itself because of its size. KEY CODE When turned on it very noticeably boosts bass, without increasing the overall volume. Tonal qualities of the AMG STA leans toward being full and rich, so instruments and vocals seem to gain extra body, weight, and harmonic richness. Regular price Sale price $900.00 NuPrime AMG STA Power Amplifier. The Kinki does not have much in common with the AMG-STA. 58K Hz @ -3dB, Sensitivity: 1.2 Vrms @ Stereo; 0.95 Vrms @ Mono. NuPrime AGM-PRA with 2x AMG-STA power amplifier, Manufacturers website: NuPrime color: rgb(0,0,0); This means that the decision between AMG STA and ST-10 will come down to personal preferences and system synergy. Nuprime STA-9 Stereo Endverstker 120W/Kanal Neuwertig! The AC power input from the Inlet Connector to the power transformer utilizes a high current welding line to provide maximum power transmission. It is milled from a 15mm harden aerospace aluminum alloy using a four-axis CNC machine with a diamond cutter through a 48 steps process. The chassis is simple, with only a metal switch on the front for power, a small white LED indicator, and the NuPrime logo. Sale. The AMG STA comprises of several state-of-the-art innovations in power amp design. Would you like to Trade-in a product?Complete the Trade-in form below and we will reply within 1 business day. Refinement is important but perhaps too much of it might make the sound too polite I wonder ? Previously, he used Jeff Rowland and he was never a Class-D fan. Ok, because of you I bought a single AMG STA, just temporarily installed it yesterday. I havent gotten there, lol. If you have any alternatives to the ones I already mentioned please let me know, your advice is much appreciated. Frequent Flyer is a cumulative program, so you will get credit for all previous orders each time to place a new order! Frequency response: 10Hz to 200kHz; +-0 to -0.1dB Learn more. They are not perfect but neither are the Logans. Drawing comparison with the Evolution One, they shared a trait of ease in reproducing the details of the recording comes afore. And what about power? (The L600 have a very deep low end, and compensating made the bass a little too intense.) NuPrime STA-9, MCH-K38, IDA-6, IDA-16, STA-9X, AMG STA, The following models speaker outputs can not be connected directly to sub woofer input: While this review will focus primarily on the power amplifier, I agreed to also listen to the preamp as part of a sideline story. The level of transparency in sound reproduction is genuinely astonishing in this class of equipment, with a deft in creating a highly detailed sonic imagery. After you place an order for Frequent Flyer eligible products, we will calculate applicable incentives. AMG STA sounded smooth and relaxing. A linear presentation is like having floodlights shining on all the performers such that everyone can be seen equally well. NUPRIME The level oftransparencyin sound reproduction is genuinely astonishing in this class of equipment, with a deft in creating ahighly detailed sonic imagery. (The L600 have a very deep low end, and compensating made the bass a little too intense.) Visit a matching product below to connect. If I read your response correctly the ST-10s solid & wooden character would alleviate the synthetic sounding saxophone more so than AMG-STA. I never wrote back as to my Bryston 4b3 vs Nuprime AMG STA comparison. But I dont doubt that more profound differences will be observed once you have eliminated the preamp. That deep noise floor allowed the music to shine with a crispness and dynamism that I absolutely loved. Used nuprime for Sale | HifiShark.com Christiian, Next up, I listened to Iceages most recent album Seek Shelter, streamed via Tidal. The search result contains affiliate links to partners of Hifishark. The single STA was more than enough to power my Zu Omen Dirty Weekends, and made my copy of the recent Ray Charles vinyl reissue Genius + Soul = Jazz sing and scream and shout. The choir added depth and texture without ever straying into chaos. The ML Masterpiece series are out of my financial reach unfortunately. I never felt as though the AMG STA lagged behind or ran out of headroom powering the Zu DWs, even on this very dynamic recording. The volume knob works smoothly and precisely, its micro-pore led displays are highly legible and the supplied full-metal remote control puts the cheap plastic affairs of many competitors, even high-priced ones, to shame. Hancocks solo was quick and slithering, like the songs namesake, and each note was clearly delineated. Stereo Power: 2 X 130W @ 8 Ohm & 2 X 200W @ 4 Ohm, Frequency Response : 10Hz~50K Hz +-0.2dB @ 8 Ohm. Changing from the ST-10 to the AMG STA was like changing to a completely different brand of amplifier. As great as the combo is, the AMG-STA power amplifier really is the star of the show. In the past you also favorably reviewed the Kinki Studio integrated. Im not kidding: the AMG STA raises the quality in these areas all the way into high-end territory. Between single and dual amps, if ever there was a no-brainer decision, this is it. I heard that the Bryston BR-20 is very revealing, maybe an all Bryston pairing is the way to go? Rather, it is very pure and neutral and utterly linear, with just a hint of sweetness. Retail Price AMG STA: 1.595 euro Regular readers will know that I have very good experience with NuPrime amplifiers. In some applications, the speaker outputs from the power amplifier are used as source signals for devices such as REL sub woofer. It is always excellent to read your reviews !!! I feel that the Magico S1 mk2s go a long way toward achieving this ideal in many facets (for my taste at least but not everyone will agree), but below 40Hz, understandably, it is no contest with the ESL15As. The AMG STA comprises of several state-of-the-art innovations in power amp design. It is tough to put the sound of the AMG STA into measurable attributes as the presentation is quite different from the other series. NuPrime - SUMMITHIFI-USA Power Off: Down position The AMG STA has a flavor of its own, so it is hard to compare it with the Evolution One, which derives some of its design from or the similarly priced ST-10. The standard method for bridging a stereo amp into mono employs a series of op amps (OPA) in order to invert the input signals to one of the stereo amp, thereby creating an opposite phase, which can then be combined to increase power. when new listings are found, 2023 HifiShark.com - terms and conditions of use - privacy policy - cookie statement, Hifishark.com uses cookies to improve your experience. Christiaan another fantastically thorough well written review thank you. Detail, resolution, dynamics, and speed are in the ST-10 ballpark, yet the sound is quite different. To put it very simply, this knob is somewhat like Ye Olde Loudness switch of yore. First up, I plugged in a single AMG STA amplifier with the AMG PRA preamp. Other than, yes, the AMG can be driven louder, I literally hear no difference across the board. If rocking out is most important to you, go with the ST-10. You mention its incredible value outperforming amps costing multiples, though then unfairlycomparing it to the CH. The sound stage has an attractive characteristic. Please note our head office is not a retail location and as such, does not display or demonstrate any product. The right knob plays a bigger rolepush and hold for standby mode, push briefly to select inputs, and turn to adjust volume. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. To start off, I listened to the ST-10, connected in-between the Audio-GD Master 1 preamp and Magico S1 MkII speakers. I really enjoyed the NuPrime AMG PRA preamplifier and the AMG STA power amplifier. For those wondering, the oscillating frequency is 700khz. The amps work %100 flawlessly with no issues and they are in new condition! I didnt find it necessarily sounded better, just more centered and solid, with no straining or restraint. A 20A lock wire terminal block connects the transformer to the motherboard, in parallel with two10A peak current rectifiers. It also meant that I actually stopped thinking more about the sound, and instead just enjoyed the music.