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OVATION SD 6.3
The SD 8.3 and SD 6.3 at a glance
OVATION SD Streaming DAC – a completely different animal: The new SD 6.3 and SD 8.3 herald a completely new category of AVM components with streaming capabilities. Both components combine an analog pre-amplifier with 2 analog line inputs, DAC with DSD, streaming lient, web radio and a high performance headphone amp, all into one unit. We call them Streaming DAC or short: SD.
Both flagship models are close relatives: In the SD 6.3 we focus on pure solid state technology in all amplifier stages, while the OVATION Tube Line Stage of the SD 8.3 creates a unique warm and natural sound reproduction. This is technology is compiled into an OVATION Line cabinet size well known from our modular PA 8.2 pre-amplifier.
Since these SD units may serve as full-blown pre-amplifiers, combining them with our power amps SA 6.3, SA 8.3 or MA 6.3 & 8.3 is a logical consequence. Furthermore the SD 6.3 and SD 8.3 may as well be combined with active speakers. With the new SD 6.3 and SD 8.3, so called computer audio comes to the OVATION Line. A completely new combination of analog pre-amplifier, streaming client, DAC with DSD and headphone amp creates a new category of digital sound center for listeners with a focus on digitally streamed music from different sources.
Two ESS 9018 K2M Sabre32 DACs per channel are being applied. This way even the digital domain the music signals are being processed in balanced mode. High precision clocks are being applied. The voltage regulators are separated for both DACs and the supply voltage is regulated twice. This decouples the DAC entirely from other parts of the digital circuitry. The AVM streaming engine allows countless formats to be processed and is upgradeable making it future proof for additional formats.
Specifications
Tube Line Stage
SD 8.3: OVATION 803 T
Analog Inputs
1 x RCA, 1 x XLR
Analog Outputs
1 x XLR, 1 x Line/Fix Out RCA, 1 x Pre/Var Out RCA
Digital Inputs
2 x S/PDIF Coax, 2 x S/PDIF Optical, 1 x USB A (Stick/HDD), 1 x USB B, 1 x AES/EBU
Digital Outputs
1 x S/PDIF Coax, 1 x S/PDIF Optical
Bluetooth
HiFi Bluetooth (4.2 Standard)
DSD
DSD128 (5,6 MHz) via USB B
Music Streaming
AirPlay 2, Roon Ready*, Spotify Connect, HIGHRESAUDIO / QOBUZ / TIDAL (HiRes Quality), UPnP
Multiroom
Multiroom & Party Sync Mode with all RC X App compatible AVM models
Radio
Webradio via Airable Internet Radio Station Database (automatic updates)
Network
Ethernet (10/100Mbps), Wi-Fi (802.11a/b/g/n/ac) 2.4/5GHz
Tone Control
Balance, Bass, Treble, scalable Loudness
Headphone Output
Class-A 6,35 mm
Trigger Outputs
2 x 3,5 mm
Included Remote Control
RC X App for iOS & Android
Optional Remote Controls
RC 9 RF/IR Remote Control with color display (programmable)
Finish
Aluminium Silver, Aluminium Black
Product Dimensions
355 x 430 x 130 mm (L x W x H)
Product Weight
12 kg
Product Line
OVATION
Against your own comps, this is well above the market: NZD 9,748 versus a recent median of NZD 3,985, and it’s also well over the NZD 6,797 75th percentile. That makes it ambitious rather than fair, and it needs a strong reason to justify the premium.
The upside is the product itself: AVM’s streaming preamps are generally regarded as high-end, polished pieces with serious digital control and a very refined, full-featured presentation. If this is genuinely clean, complete, and from a careful owner with original packaging and accessories, it may suit a buyer who wants a less common, premium unit and is willing to pay up for the right example. Still, at this level I’d want confirmation of exact configuration, age, service history, and that all inputs/remote/control functions are working properly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
AVM Audio, founded in 1986 in Germany by engineers Robert Winiarski and Gunther Mania, emerged from a passion for precision engineering and high-fidelity sound. The duo quickly gained traction with their iconic M1 mono amplifier, selling over 10,000 pairs primarily in Germany. In 2010, they sold the company to Udo Besser, former general manager at Burmester, enabling expansion into Asia and North America while the founders shifted to design and legacy product support. Handmade in Malsch, AVM upholds its heritage of German craftsmanship, now marking over 35 years with limited editions like the 40th-anniversary Bronze series.
The brand specializes in integrated amplifiers, preamplifiers, CD players, streamers, DACs, and compact all-in-one music systems, organized into three tiers: entry-level Inspiration, mid-range Evolution, and flagship Ovation lines encompassing 27 products. Early successes like the M1 evolved into modern updates such as the Classic 30 mono amps, blending high bandwidth and power with contemporary circuits. AVM emphasizes versatile, format-agnostic components that support streaming and digital playback without compromising analog purity.
Positioned as a high-end German luxury marque, AVM delivers natural, transparent sound with minimal coloration, earning a devoted European following before broader recognition. It bridges premium performance and relative affordability through economies of scale, appealing to discerning buyers seeking robust, future-proof hi-fi without headline-chasing gimmicks. This under-the-radar powerhouse stands firm in the competitive audiophile market, prioritizing substance over hype.
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