Kharma EXQUISITE GRAND 3.0 – Stand design, decoupled by Tungsten balls – New Silver bridges – New trimming details to the front & back – Matching internal wiring to the Exquisite Cable Collection
4-way, point source symmetrical system Three Diamond concave tweeters Kharma Omega-7 drivers 500 Watt of RMS power 1000 Watt of Program power 20 Hz – 90kHz Frequency range. Efficiency – 92 dB Maximum SPL – 118 dB Impedance – 4 Ohm Min Impedance – 2.7 Ohm
Available in three finish types: Anodization ChromALure High gloss paint
Raven Black, Premium High-Gloss Color Firnweiss White, Premium High-Gloss Color Anodized Black, Standard Color Anodized Silver, Standard Color Signal Red, ChromALure Dark Bronze, ChromALure Dark Copper, ChromALure Persimmon Orange, ChromALure Baltic Blue, ChromALure Rose Gold, ChromALure Aurum Gold, ChromALure Thunderstruck Yellow/Green, ChromALure
Belt transmission inspired by the legendary Nagra IV series of reel to reel
Exclusive aerospace material platter
Non-resonant chassis
Floating mechanical and hydraulic suspension
Watchmaker style caliber with special finishes
“Skeleton” watch style transparent methacrylate top surface revealing the drive system’s workings and watchmaker finishes
Pure copper record weight
Dual concentric carbon fiber tonearm
Uni-pivot tonearm with unique geometrical bearing shape
Unique no-contact magnetic anti-skating
Camera lens-like “on the fly” adjustable VTA
Custom silver monocrystal tonearm wiring
External and internal super-cap modules
Full chassis power supply as found in the HD range
Personalized engraved name plate including number within the 70 unit number sequence
The Reference Anniversary turntable was designed as a system. This means that the turntable and its tonearm were designed to work from the “ground up” as a unified playback system. Careful consideration was given to the development of a tonearm with performance capabilities commensurate with the turntable itself.
Dimensions:W x D = 661 mm x 451 mm (26 inches x 17.7 inches) Weight = ~80 kg (~176 lbs.)
———————————————————————————————————–
Nagra announces it is celebrating its 70th anniversary in style with a limited edition turntable. The Reference Anniversary turntable is the product of a years long, major research and development project that has been kept under wraps until this past summer.
In 1951, our founder Stefan Kudelski invented the first portable recorder, simply called the Nagra I. Nagra comes from a Polish word that means “it is recording”. The Nagra I was followed by an impressive trail of game-changing products that revolutionized the face of sound recording. Its impact has been tremendous in the field of art, science, ethnology. It changed the way we capture sound and brought a soundtrack to the world, making recordings where before nothing was ever captured.
Nagra recorders have been used to record sound all around the world and even beyond, with NASA in the Apollo space program. This long tradition of excellence has been perpetuated for generations. And since 1998, Nagra has been synonymous with sound reproduction at home for demanding music and Hi- Fi lovers.
To celebrate the 70th anniversary of the Nagra I, the company designed a very special product that sets new standards in black disk reproduction.
The Nagra I and Nagra II made use of a Thorens spring winding mechanism to rotate the reels and the capstan. Electronics were used for signal recording and playback in this ground-breaking portable recorder. So Nagra early recorders share a common root with turntables. During the golden age of analog, the idea to make a Nagra turntable was often discussed. Stefan Kudelski even filed a patent in 1972 for a special tonearm tracking system.
While often contemplated, it was not until four years ago that the design and engineering of a turntable befitting the name Nagra began. Working as a team, Nagra’s staff of extremely talented designers and engineers relentlessly pursued perfection in the fields of applied physics, mechanical and electronic engineering, as well as material science. Four years later, after hundreds upon hundreds of scientific team hours, accompanied by exhaustive listening tests, the result is a turntable which extends the current edge of the arts. It is a first step in a return to our legacy of analog mechanical reproduction and will be followed by more projects to be announced in 2022.
The Reference Anniversary turntable is an analog product governed by immutable laws of physics and mechanics, very much like Nagra legendary reel to reel recorders. As such, it is not subject to the rapidly progressing and ever-changing developments of the digital domain. This means that the Anniversary turntable will remain technologically relevant for generations. For many it will be a last turntable purchase and a product which is proudly passed down from generation to generation, just like many Nagra III recorders from the 50’s, which are still in active use today, the Nagra Reference Anniversary turntable is a product for life.
Offered as a very limited edition of 70 units, each of which includes “in home” set up and dial-in by Nagra factory specialists, invitation to visit Nagra factory for a VIP tour and exclusive accessories.
1951年、当社の創業者であるステファン・クーデルスキは、最初のポータブルレコーダーを発明しました。Nagra I “の後には、サウンド・レコーディングの概念を変えるような製品が次々と開発されました。その影響は、芸術、科学、民族学の分野で非常に大きなものでした。音を捕らえる方法を変え、世界にサウンドトラックをもたらし、以前は何も捕らえられなかった場所で録音を行いました。
The original Momentum Mono Amplifier was the first product designed and manufactured by the company and the latest version, the Momentum M400 MxV Mono amplifier elevates this iconic design to its greatest height. The Momentum M400 MxV models feature techniques and topologies initially developed and implemented in the Relentless Mono Amplifier. This fullest expression of the Momentum circuitry is reflected in the new model name, MxV. Those with a physics background will recognize that MxV or Mass times Velocity is the equation for Momentum.
Advancements in Every Area
Every major section of the amplifier – power supply, input, driver, and output stages – have all been enhanced in this advancement. A new transformer winding pattern provides over 50% more current output from the same transformer footprint. This additional current offers greater headroom during dynamic passages. A reinvisioned input stage combines a brand new circuit topology with advanced components feeding the driver and output stages. Crucial to the new circuit are the bipolar transistors powering the front end of the amplifier. In the Momentum M400 MxV amplifiers, new devices deliver ten times the current and power of the original devices. These wider bandwidth, higher power components extend low and high frequency performance with reduced distortion in both frequency extremes. Energizing the driver stage is a new bias stability circuit providing a nearly 50% increase in operating bias. Increasing Class A operation directly correlates to better sound quality. However, there is a limit to bias level in any amplifier. With this new circuit topology and our unique Copper heatsinks, thermal issues are not a practical concern in the Momentum M400 MxV amplifiers. The new bias scheme ensures bias consistency, preventing excessive temperatures even under the greatest demand. Additional power transistors in the output stage reduce workload for each device. By minimizing stress on each individual device, the entire output section works more efficiently. The result is a richer, more dynamic, intimate presentation regardless of musical genre.
The final output stage features new output transistors that were originally sourced for the flagship Relentless Monoblock Amplifier. The high-output transistors used on the Momentum M400 MxV are among the fastest available. Using 26 on the Momentum M400 MxV amplifiers they run at a blistering 69 MHz, permitting the Momentum M400 MxV to achieve incredible bandwidth. Each transistor mounts with two stainless steel fasteners—a rarity among flat-package transistors—for maximum thermal transfer to the copper heat sinks. A capacitor/resistor network connected to the base of each transistor ensures stability even at high frequencies and with low-impedance speakers. Additionally, every output transistor is measured and only devices that match the required performance specifications are included in the production of Momentum M400 MxV amplifiers. As with all D’Agostino models, the Momentum M400 MxV amplifiers feature discrete, direct-coupled balanced circuitry, the most accurate circuit platform possible.
Power to spare
Defying its compact size, the Momentum M400 MxV is a powerhouse amplifier. The backbone is the new ultra-quiet 1,800VA linear transformer with almost 50% greater current output. This engine drives a nearly 100,000ⲙF capacitor bank resulting in 400/800/1,600W of power output into 8/4/2Ω speaker loads for the Momentum M400 MxV The Momentum M400 MxV amplifiers are capable of driving any loudspeaker to its fullest potential.
Innovative Cooling with Venturi Style Heatsinks
A critical element of any amplifier output stage is circuitry known as the driver section. In the new Momentum M400 MxV, this stage is a fully complementary design. Individual transistors are employed for the positive and negative halves of the musical signal. This nearly doubles the current drive necessary to maximize the enhanced output stage that follows. The new output stage takes this increased drive to boost the open loop gain by the same factor of two. The result is a sound that is more authoritative, richer, and more expansive.
Hand-built and individually tested.
Each Momentum M400 MxV monoblock amplifier is hand-built and individually tested in D’Agostino’s Arizona factory by our team of technicians and craftsmen.
Upgrading to the MxV performance
The new Momentum M400 MxV employs the same chassis as previous Momentum amplifiers. All generations of Momentum Mono amplifiers can be upgraded to the Momentum M400 MxV performance level. All electrical enhancements are included in the upgrade while the original metalwork is retained. Original Momentum amplifiers receive a new 400 Watt meter plate reflecting the power output increase included in the upgrade. Momentum M400 units already have this power increase and meter.
Specs Frequency Response 1 Hz to 200 kHz, -1 dB 20Hz to 20 kHz, ±0.1 dB Signal-to-Noise Ratio 115 dB, unweighted Finish Silver Black Custom Finishes Available Upon Request Input Impedance 1 MΩ Output Impedance 0.11Ω Power 400 watts @ 8Ω 800 watts @ 4Ω 1,600 watts @ 2Ω Distortion 400 watts @ 8Ω 0.09% @ 1 kHz Inputs 1 balanced XLR Dimensions 12.5 x 21.5 x 5.25 inches / 31.75 x 54.61 x 13.34 cm. Weight 95 lbs. Manual DAgostino Momentum M400_S250 User Manual.pdf (2.44 MB) Drawings drawings-products-momentum-m400-s250-201703.PDF (133.52 KB) High Resolution Images momentum_mono_m400_1 (2).zip (4.26 MB) Product Class Momentum
S250
Scaling New Heights
The Momentum S250 MvX stereo amplifier delivers the extraordinary sound quality of the Momentum M400 MvX monoblock in a more affordable stereo design. The circuit topology and construction of the stereo amplifier mirror those of the monoblock, using the same ultra-efficient copper heat sinks with venturi cooling, the same 1% metal-film resistors, the same 69 MHz output transistors and the same fully complementary balanced configuration. The result is audio fidelity equaled by no other amplifier—except, of course, the Momentum M400 MxV monoblock itself. The leading compliment to the Momentum S250 MvX Stereo is the Momentum HD Preamplifier, creating a harmony worthy of any aficionado.
The Momentum S250 MxV models feature techniques and topologies initially developed and implemented in the Relentless Mono Amplifier. This fullest expression of the Momentum circuitry is reflected in the new model name, MxV. Those with a physics background will recognize that MxV or Mass times Velocity is the equation for Momentum.
Advances in Every Area
Every major section of the amplifier – power supply, input, driver, and output stages – have all been enhanced in this advancement. A new transformer winding pattern provides over 50% more current output from the same transformer footprint. This additional current offers greater headroom during dynamic passages. A reinvisioned input stage combines a brand new circuit topology with advanced components feeding the driver and output stages. Crucial to the new circuit are the bipolar transistors powering the front end of the amplifier. In the Momentum S250 MxV amplifiers, new devices deliver ten times the current and power of the original devices. These wider bandwidth, higher power components extend low and high frequency performance with reduced distortion in both frequency extremes. Energizing the driver stage is a new bias stability circuit providing a nearly 50% increase in operating bias. Increasing Class A operation directly correlates to better sound quality. However, there is a limit to bias level in any amplifier. With this new circuit topology and our unique Copper heatsinks, thermal issues are not a practical concern in the Momentum S250 MxV amplifiers. The new bias scheme ensures bias consistency, preventing excessive temperatures even under the greatest demand. Additional power transistors in the output stage reduce workload for each device. By minimizing stress on each individual device, the entire output section works more efficiently. The result is a richer, more dynamic, intimate presentation regardless of musical genre.
The final output stage features new output transistors that were originally sourced for the flagship Relentless Monoblock Amplifier. The high-output transistors used on the Momentum S250 MxV are among the fastest available. Using 26 on the Momentum S250 MxV amplifiers they run at a blistering 69 MHz, permitting the Momentum S250 MxV to achieve incredible bandwidth. Each transistor mounts with two stainless steel fasteners—a rarity among flat-package transistors—for maximum thermal transfer to the copper heat sinks. A capacitor/resistor network connected to the base of each transistor ensures stability even at high frequencies and with low-impedance speakers. Additionally, every output transistor is measured and only devices that match the required performance specifications are included in the production of Momentum S250 MxV amplifiers. As with all D’Agostino models, the Momentum S250 MxV amplifiers feature discrete, direct-coupled balanced circuitry, the most accurate circuit platform possible.
Big Power
Defying its compact size, the Momentum S250 MxV is a powerhouse amplifier. The backbone is the new ultra-quiet 1,800VA linear transformer with almost 50% greater current output. This engine drives a nearly 100,000ⲙF capacitor bank resulting in 250/500/1,000W of power output into 8/4/2Ω speaker loads for the Momentum S250 MxV The Momentum S250 MxV amplifiers are capable of driving any loudspeaker to its fullest potential.
Innovative Cooling with Venturi Style Heatsinks
A critical element of any amplifier output stage is circuitry known as the driver section. In the new Momentum S250 MxV, this stage is a fully complementary design. Individual transistors are employed for the positive and negative halves of the musical signal. This nearly doubles the current drive necessary to maximize the enhanced output stage that follows. The new output stage takes this increased drive to boost the open loop gain by the same factor of two. The result is a sound that is more authoritative, richer, and more expansive.
Hand-built and individually tested.
Each Momentum S250 MxV stereoblock amplifier is hand-built and individually tested in D’Agostino’s Arizona factory by our team of technicians and craftsmen. .
Upgrading to the MxV performance
The new Momentum S250 MxV employs the same chassis as previous Momentum amplifiers. All generations of Momentum stereo amplifiers can be upgraded to the Momentum S250 MxV performance level. All electrical enhancements are included in the upgrade while the original metalwork is retained. Original Momentum amplifiers receive a new 250 Watt meter plate reflecting the power output increase included in the upgrade. Momentum S250 units already have this power increase and meter.
Specs Frequency Response 1 Hz to 200 kHz, -1 dB 20Hz to 20 kHz, ±0.1 dB Signal-to-Noise Ratio 105 dB, unweighted Finish Silver Black Custom Finishes Available Upon Request Input Impedance 1 MΩ Output Impedance 0.12Ω Power 250 watts @ 8Ω 500 watts @ 4Ω 1,000 watts @ 2Ω Distortion 250 watts @ 8Ω 0.1% @ 1 kHz Inputs 2 balanced XLR Dimensions 12.5 x 21.5 x 5.25 inches / 31.75 x 54.61 x 13.34 cm. Manual DAgostino Momentum M400_S250 User Manual_0.pdf (2.44 MB) Drawings drawings-products-momentum-m400-s250-201703_0.PDF (133.52 KB) High Resolution Images momentum_stereo_s250_1 (1).zip (3.75 MB) Product Class Momentum
Momentum S250 MxVモデルには、Relentlessモノ・アンプで開発された技術とトポロジーが採用されています。このMomentum回路の完全な表現は、新しいモデル名「MxV」に反映されています。物理学の知識をお持ちの方は、MxV（Mass times Velocity）がMomentumの方程式であることをご存知でしょう。
McIntosh C12000 2-Channel Solid State and Vacuum Tube Preamplifier
Separate audio & control sections 12 analog inputs including 2 configurable phono inputs Offers both solid-state and vacuum tube output Fully balanced circuitry
Maximum Control and Configurability.
The C12000 Preamplifier is the next generation of our acclaimed two-chassis preamplifier design. The two-chassis design allows the audio section to be completely separated from the control and power sections. The absolute isolation of a preamplifier’s two main functions – control and sound – is achieved by this unusual but effective design. Splitting these primary purposes of a preamplifier up into separate chassis will deliver the purest sound reproduction possible.
The C12000 is comprised of the C12000 Controller module and the C12000 Preamplifier module. All power control, data ports, and external control connections are located in the C12000 Controller. Dual isolated power supplies drive the left and right channels, while a dual microprocessor gives robustness to the control system. The C12000 Preamplifier houses the audio connections and circuitry. Inside each, the left and right channels are electrically and mechanically isolated from each other to allow true dual mono operation – resulting in the ultimate stereo separation and sonic purity. The two units are connected together via a pair of specially designed, high performance umbilical cables that are shielded to prevent outside noise from leaking into the audio signal. Although they are two separate units, when connected they act as one and are easy to control and operate from the included remote control or the C12000 Controller front panel.
A total of 12 analog inputs1 are located in the C12000 Preamplifier module: six balanced, four unbalanced, and two unbalanced phono inputs. The phono inputs are no longer set up as dedicated for Moving Coil or Moving Magnet cartridges; instead, both are configurable as either Moving Coil or Moving Magnet with adjustable Capacitance and Resistance Loading, along with adjustable Gain in 6dB steps from 40dB to 64dB. This provides maximum flexibility for you to configure the C12000 to best fit your turntable(s), cartridge(s), and vinyl record collection.
The C12000 Preamplifier module offers both vacuum tube and solid-state output, allowing you to decide which to use based on the music being played, the audio components in the rest of your home audio system, and your sound preferences. All outputs are driven by discrete amplifiers. For vacuum tube output, six tubes or valves power the high-level preamplifier section with two 12AT7 tubes and one 12AX7A tube assigned to each the left and right channel. Solid-state output is via a discrete balanced op-amp.
Regardless if you choose the vacuum tube or solid-state output, the phono stage utilizes four 12AX7A vacuum tubes, with two tubes used per channel in a fully balanced configuration that incorporates RIAA equalization.
For connecting the C12000 to your amplifier(s) and the rest of your home music system, there are four total outputs: one balanced vacuum tube; one balanced solid-state; one fixed unbalanced; and one programmable unbalanced (can be either vacuum tube or solid-state). The amount of user adjustments available on the two phono inputs and all the outputs represent a new level of customization in McIntosh preamplifier design, allowing you maximum flexibility in how you want to configure your audio system.
The amplifier circuit has a high common mode rejection, so any noise introduced by interconnect cables is significantly reduced. For personal listening, our high output High Drive headphone jack is included, while the user selectable Headphone Crossfeed Director (HXD®) brings an added depth and spatiality to your music. The C12000 can be seamlessly integrated into your existing multi-channel home theater system via the Home Theater Pass Through feature.
The C12000 preamplifier employs fully balanced circuitry to match the level of performance achieved in any of our Quad Balanced amplifiers. Both the C12000 Controller and C12000 Preamplifier chassis are made from stainless steel polished to a mirror finish plus hairline brushed black Titanium stainless steel, offering an enhanced degree of richness and refinement.
With classic McIntosh black glass front panels, blue meters, knobs, stainless steel chassis, illuminated logos, and custom machined brushed aluminum handles, the C12000 makes a visual statement in addition to its audio prowess. It can be paired with a variety of McIntosh amplifiers, speakers, room correction devices, CD players, turntables, tuners, media streamers and other source components to make a complete home audio system. Contact your local dealer to learn more.
