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    Preamplifiers

    Preamplifiers
    Exposure 3010S2D Preamplifier $1,999.00

    3010S2D Pre Amplifier

    Features
    1. Large custom made toroidal power transformer and smoothing capacitors for power supply
    2. Option to fit a MC or MM phono module OR plug in DAC option
    3. 6 line inputs or 5 plus optional phono card, 2 main out (RCA) and 1 tape output
    4. High quality relays used for input source selection
    5. Full remote control of input selector, volume and mute
    6. Audio output stages utilising discrete transistor class A output buffer
    7. High quality all aluminium case work
    8. Remote control
    9. Three year guarantee
    10. Available in black or titanium

    Specifications

      • Output Level : 2V RMS 
      • Frequency Response : 20Hz - 20KHz ± 0.25dB
      • Total Harmonic Distortion : <0.008%, 20Hz - 20KHz, 0dBFs
      • Signal to Noise Ratio : >100dB, A weighted
      • Mains Supply : 110/120V or 220/240V, 50/60Hz (factory set)
      • Power Consumption : <25 VA
      • Dimensions - H x W x D : 90mm x 440mm x 300mm 
      • Nett Weight (unpacked) : 5kg
      • Gross Weight (packed) : 7kg
    Exposure XM7 Preamplifier With Dac MM Phono and Headphone $2,299.00
    • Finally, a half chassis pre-amplifier. The Exposure XM7 pre-amplifier with DAC and Phono is the compact heart of any high fidelity system. Hand made in England, the amplifier comes complete with HiRes DAC, MM Phono, Fixed AV, USB, Optical and BNC inputs. Volume and switching is controlled with the included remote control. A perfect solution for high fidelity music lovers with confined space or those looking for a discreet solution. The soundstage, timing and musical qualities of this amplifier continue the 40 year history of Exposure performance.
    • Specifications

      Pre Amplifier Output (input sensitivity / impedance / S/N):

      • AV input fixed level : 450mV @ 1KHz > 12K ohms S/N > 95dB
      • AUX/PH input MM : 2.5mV @ 1KHz, 47K ohms S/N > 73dB
      • Frequency Response : +/-0.5dB 50Hz-20KHz. High pass roll off -1.5dB @ 20Hz
      • AUX 2 input line : 350mV @ 1KHz > 14K ohms S/N output gain x3.75, +11.5dB
      • Total Harmonic Distortion : <0.005% at 1KHz : @ 1.3V RMS output
      • Frequency Response : 20Hz - 20KHz +/- 0.5dB
      • Signal to Noise Ratio ref 1.3V RMS Output : 1KHz >92dB
      • Channel Separation @ 20KHz : >60dB

      Digital Inputs

      • SPDIF inputs BNC Coax & Optical : 32 - 192KHz @ 16-24 bits
      • Total Harmonic Distortion : <0.005% at 1KHz @ 1.3V RMS output
      • Signal to Noise Ratio ref 1.3V RSM Output : 1KHz : >98dB
      • USB input : Linear PCM 44K1 - 192KHz @ 16-24 bits DSD x64 (DoP) Asynchronous transfer from host

      Headphone Output

      • Output Impedance : 10 ohms
      • Maximum Level into 33 ohms : @ 1KHz & 0.1% THD : 5V RMS
      • Total Harmonic Distortion : @ 2V output, 1KHz : <0.03%
      • Maximum Level into 330 ohms : @ 1KHz & 0.1% THD : 8V RMS
      • Total Harmonic Distortion : @ 2V output, 1KHz : <0.01%

      General Specifications

      • Mains Supply : 110/120V or 220/240V @ 50/60Hz (factory set)
      • Power Consumption : <25W
      • Dimensions (WxHxD) : 218mm x 89mm x 363mm (inc knob)
      • Net Weight (unpacked) : 5kg
      • Gross Weight (packed) : 6kg
    • Connect the matching half chassis mono power amps for a modern take on a legacy design. Ideal for those with a small space or looking for a discreet solution.
    Hegel HD30 Reference Dac and Preamplifier $5,999.00

    The HD30 is the ultimate digital control center. It does everything you can dream of, and does so with world-class quality. There is an abundance of inputs, ranging from balanced AES/EBU and BNC connectors, to Network and USB connections - with the latter also accepting DSD signals. The built-in volume attenuator allows you to connect directly to a power amplifier or a pair of active loudspeakers. Highly advanced power supplies and careful lay-out brings the noise floor down towards a mindblowing -150dB. In short... Do you even dare to try it?

    When designing a digital-to-analog converter of world class, you are essentially making a masterpiece. One for others to try and copy. It is not enough to select the best components on the market and lay them out cleverly. When creating a masterpiece, you must question if you can make it better than the best. The HD30 was just such a masterpiece project. To reach goals that, up until now, was seen as unobtainable, we need to tweak the world’s best measuring equipment available. Just to be able to fine-tune our clock crystals and power supplies. We designed master clocks from the ground up and went to great lengths to design ultra low noise power supplies and shielding from outside interference. The results are stunning. The musicality of the HD30 is at a level never before heard. You can experience instruments and virtually feel the room they play in. You feel the smile widening in your face and the hair rising on your arms when the HD30 begins to play. The finger touching the string, a millisecond before the guitar starts to sound. The singer drawing that breath of anticipation right before he starts playing in front of a live crowd.

    Whether you choose to use Apple AirPlay, a CD-player, a computer or any other device. The HD30 will bring all the music and enthusiasm that exists in the recording.

    Technical Details

    DAC resolution: Dual mono 32 bit/192 kHz multilevel sigma-delta DAC
    Line output: 2.6 VRMS
    Digital inputs: 1 coaxial, 3 optical, 1 USB, 1 ethernet, 1 BNC, 1 AES/EBU
    Analog outputs: 1 fixed line level (RCA), 1 fixed line level (Balanced XLR)
    Distortion: Typical 0.0005%
    Frequency response: 0 Hz - 50 kHz
    Noise floor: Typically -150 dB
    Power supply: Separate torodial transformers for analog/digital 54,000 uF capacitors
    Output impedance: 22 ohms unbalanced and 44 ohms balanced
    Control input: 1 IR-direct mini-jack
    Finish Black and Silver
    Dimensions/weight: 8cm (10cm w/feet) x 43cm x 31cm (HxWxD), 6,5 Kg
    Dimensions/weight US: 3.14" (3.93" w/feet) x 16.93" x 12.20" (HxBxD), weight 14.3lbs

    Hegel P20 Preamplifier $3,999.00

    The P20 is our entry level preamplifier and offers an affordable door into the Hegel Reference line of products. Designing the P20 was not a task we took lightly. Many of the ideas and concepts were taken from its bigger brother. Although scaled down, many of the good characteristics remain: the enormous soundstage, the deep rhythmic bass response, the perfect timing... In short, the sense of being there with the performers. The P20 comes with a high quality system remote control, milled out of one solid piece of aluminium. It has the same bead blasted and anodized surface finish as the preamplifier itself. You can really feel the quality each part of the P20; not only hear it. There is a total of 5 regular inputs. Both balanced and unbalanced. In addition, a special Home Theatre input allows integration in Home Theatre systems. Finally, there are both balanced and unbalanced outputs as well as a fixed line-level output.

    The idea behind the P20 was, as mentioned, to offer a more affordable entry into our line of separates. But most of all, it was to set a new standard of price and performance in preamplifiers. Something we think we have achieved. The preamplifier is perhaps the most delicate unit in a sound system. Because the signal levels are so low, even the tiniest levels of noise or distortion smear the image and mask the small details that enliven the music. In designing the P20, we achieved the highest quality of sound at such a low price point by using brand new technologies, such as Silicon Germanium transistors. In addition we implemented high frequency components that were not originally designed for audio, and use them in ways that had never been done before. The result is an open and natural sounding preamplifier at a very competitive price.

    Technical Details

    Remote control: Volume, source and mute controlled by the Hegel RC8
    Inputs: 1 x XLR balanced, 4 x RCA unbalanced and Home Theatre inputs
    Outputs: 1 x XLR balanced, 1 x RCA unblanced and 1 x RCA recording outputs
    Crosstalk: Less than -100dB
    Distortion: Less than 0.005%
    Intermodulation: Less than 0.01% (19kHz+20kHz)
    Finish Black
    Dimensions/weight: 8cm x 43cm x 30cm (HxWxD), weight 10kg
    Dimensions/weight US: 3,2" x 17" x 12" (HxBxD), weight 22 lbs

    Hegel P30 Preamplifier $8,999.00

    The P30 is the best preamplifier ever developed by Hegel. With its patented technology and hand matched components, the P30 is a confident contender in the race towards being the best pre amplifier in the world. Regardless of price. Despite of what many hifi enthusiasts believe, pre amplifiers are actually one of the most difficult audio components to develop. At the same time it is one of the most important components in a well sounding system. The reason is that the signal strength is very low when entering the pre amplifier, and is therefore very susceptible high frequency noise and distortion elements. The most critical phase in the pre amplifier is the volume regulation, and in the P30 this is a master piece in it self. The physical volume control knob is only used to describe the desired volume output level to the array of Gigahertz MOS-transistors. These direct the music signal through a network of high quality resistors that reduce the signal level.

    After the volume control circuit the signal is directed through the amplification circuit. For the first time ever we are using the patented SoundEngine technology in the pre amplifier. Combined with Hegel's use of hand matched FET transistors, this results in unsurpassed levels of musical distortion and noise. In total, the music signal will only pass through 2 transistors and between 1 to 3 resistors on its way through the P30. The sound you hear from the P30 can only be described as organic and very natural. To quote a journalist: "The Hegel sounds so much more natural than my previous reference. And it does so without flashing itself with gold and diamonds".

    The Hegel P30 has 2 pairs of balanced inputs (XLR) and 3 regular unbalanced (RCA). In addition to this it has a Home Theatre input that allow you to integrate it in a Home Theatre system. The P30 also has a 3,5 mm IR-direct input and a 12V trigger output connector. The Hegel P30 is available in both silver and black finish, so it can be matched with both the H30 and H20 power amplifiers.

    Technical Details

    Remote control: Volume, source and mute controlled by Hegel RC2
    Inputs: 2 x XLR balanced, 3 x RCA unbalanced and Home Theatre inputs
    Outputs: 1 x XLR balanced and 2 x RCA unbalanced outputs
    Other connections: 3,5mm IR-direct jack, 3,5 mm jack 12V trigger output
    Signal to noise ratio: More than 130 dB balanced mode
    Crosstalk: Less than -100 dB
    Distortion: Less than 0.005 %
    Intermodulation: Less than 0.01% (19kHz+20kHz)
    Finish Black and Silver
    Dimensions/weight: 8cm x 43cm x 30cm (HxWxD), 10kg
    Dimensions/weight US: 3,2" x 17" x 12" (HxBxD), 22 lbs

    Pathos Acoustics Synapse Tube Hybrid Preamplifier $26,900.00

    The worthy partner for an amplifier like Adrenalin is a new balanced preamplifier that represents the state-of-the-art of Pathos technology.
    A task for each one

    The apparatus is made of two chassis. The inferior part has the power supply and all the control logic, including the amazing fluorescent display, while the upper part contains the stages of analog signal management. The choice is to optimize the complex circuitry by keeping electrically noisy parts far from those used in the signal. This preamplifier may be almost described as a three chassis apparatus because the line stages of two channels are completely separated on the power supply and ground level. Additionally, the logic part is separated with an insulated ground.

    Zero ground-loop

    The connection between logic and two stages is through photo couplers to guarantee the circuits separation. Thanks to this layout, we have the advantage to avoid ground loop. To this end, designers performed a further fineness: a complete electrical disconnection of all inputs, so that only the selected input is electrically connected to its line stage while all others are open including ground level.

    This stubborn search, aiming to optimize ground tracks and avoid fussy ground loop brings inevitably to a redundancy of circuit series, mainly power supplies, thus bringing a considerable increase of costs. That is why it is impossible to find a similar solution in equipments of current production.

    3 stage for signal

    Signal management is then assigned to a hybrid circuit with three stages provided with a cascode differential for voltage amplification, where is applied to a double triode 6H30 and then two buffers; the first tube buffer with the second double triode 6H30 and the second with a mosfet tracker able to interface with the maximum outer world linearity. Two volume regulators per channel manage the balanced signal.

    Volume

    The channels are solid state and are located inside two modules with rectangular shape fixed on the main printed circuit; the setting is on 168 steps of 0,5dB. A remarkable characteristic of this machine is the memory of set level on each input to avoid annoying volume changes when commutating from one input to another. Total amplification may be fixed at 0dB, +6dB or +12dB allowing to take full advantage of the sophisticated level regulators that permit the use of centre width and have a good resolution on the setting.

    Power supply

    Particular attention should be paid to the power supply unit and all parts located in the lower chassis of the machine. If opened, it gives the impression of seeing a power amplifier with a large amount of electronics. Two sides have power supplies of line stages; anodic voltage, voltage filaments (one per each tube), and voltages for analog stages of volume controls for each channel. The central part houses the power supply of the digital part, i.e. the microprocessor, relay, display and encoder. The fluorescent display is really a piece of art showing the useful information needed during functioning so that we can read the selected input, set attenuation and several other menu data (channels balance, input disabling, gain block of inputs, customization of inputsÕ name, gain setting, etc.).

     

    SPECIFICATIONS:

    Inputs 3 balanced XLR
    3 single ended RCA
    Outputs 2 main balanced XLR
    Frequency response 1Hz - 100KHz
    (200KHz @ -3dB)
    THD 0,04% @ 4 Vrms
    Volume control 0,5dB - 168 steps
    Tubes 4x 6H30
    Dimensions :
    Size 530mm (D) x 430mm (W) x 260mm (H)
    Weight 23Kg Net / 33Kg Gross
    Primaluna Dialogue Premium Tube Preamplifier $4,199.00

    TUBE RECTIFIED

    In the world of preamps, experts agree that tube rectification is the gold standard. It’s quieter than solid state rectification, dropping the noise floor. And it offers the most natural, textured, and vibrant presentation because the circuit is now pure tube. But because it is expensive to implement, you’ll only find it in the top of the line models typically costing  $10,000 or more. Finding a preamp using one rectifier tube is sweet. PrimaLuna goes even further using two 5AR4 rectifier tubes in a dual-mono design to present your music with a three-dimensionality that will give you goosebumps.

    POINT TO POINT WIRING

    You spend a lot of money on interconnects. So why have the signal go right from the RCA jacks or speaker terminals into circuit boards with copper traces so thin you can hardly see them? What’s high-end about that?

    PrimaLuna employs Point to Point Wiring on all products. The DiaLogue Premium even uses Swiss-made silver-plated OFC wire. The entire signal path, including resistors and capacitors, is painstakingly hand wired with heavy-gauge cable by craftsman.

    DUAL-MONO DESIGN

    Expensive and exotic preamps always use a dual-mono design to achieve a level of imaging not possible otherwise. Most manufacturers don’t employ dual-mono because of expense. It requires two power transformers, double regulation circuits, and in fact….everything is double. In effect, dual-mono means building two discrete and separate preamps into one box. It is so expensive to build, it’s a rarity even at the highest price points. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever.  

    AC OFFSET KILLER - A PRIMALUNA EXCLUSIVE

    DiaLogue Premium is about goose bumps. The ones you get when music comes out of a background so quiet, you may say to yourself “Just how is this possible?” PrimaLuna custom-winds our own massive toroidal power transformers that are low in hum and EMI. But we wanted more. Our engineers designed the AC Offset Killer to lower transformer noise to a place no other manufacturer dreams of going, regardless of how bad your electricity is. The result? Sense of space. Texture. The resonance of an acoustic guitar or violin string that seems to trail on forever. The AC Offset Killer will amaze you. 

     

    Inputs
    Outputs
    Gain
    Freq. Response (+/- 1dB)
    THD
    S/N Ratio
    Input Sensitivity
    Input Impedance
    Output Impedance
    Power Consumption
    Standard Tube Compliment
    Dimensions (WxHxD)
    Weight
    Primaluna Prologue Premium Tube Preamplifier $2,899.00

    TUBE RECTIFIED

    In the world of preamps, experts agree that tube rectification is the gold standard. It’s quieter than solid state rectification, dropping the noise floor. And it offers the most natural, textured, and vibrant presentation because the circuit is now pure tube. But because it is expensive to implement, you’ll only find it in the top of the line models typically costing  $10,000 or more. Finding a preamp using one rectifier tube is sweet. PrimaLuna goes even further using two 5AR4 rectifier tubes in a dual-mono design to present your music with a three-dimensionality that will give you goosebumps.

    POINT TO POINT WIRING

    You spend a lot of money on interconnects. So why have the signal go right from the RCA jacks or speaker terminals into circuit boards with copper traces so thin you can hardly see them? What’s high-end about that?

    PrimaLuna employs Point to Point Wiring on all products. The DiaLogue Premium even uses Swiss-made silver-plated OFC wire. The entire signal path, including resistors and capacitors, is painstakingly hand wired with heavy-gauge cable by craftsman.

    DUAL-MONO DESIGN

    Expensive and exotic preamps always use a dual-mono design to achieve a level of imaging not possible otherwise. Most manufacturers don’t employ dual-mono because of expense. It requires two power transformers, double regulation circuits, and in fact….everything is double. In effect, dual-mono means building two discrete and separate preamps into one box. It is so expensive to build, it’s a rarity even at the highest price points. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever.  

    AC OFFSET KILLER - A PRIMALUNA EXCLUSIVE

    DiaLogue Premium is about goose bumps. The ones you get when music comes out of a background so quiet, you may say to yourself “Just how is this possible?” PrimaLuna custom-winds our own massive toroidal power transformers that are low in hum and EMI. But we wanted more. Our engineers designed the AC Offset Killer to lower transformer noise to a place no other manufacturer dreams of going, regardless of how bad your electricity is. The result? Sense of space. Texture. The resonance of an acoustic guitar or violin string that seems to trail on forever. The AC Offset Killer will amaze you. 

     

    Inputs
    Outputs
    Gain
    Freq. Response (+/- 1dB)
    THD
    S/N Ratio
    Input Sensitivity
    Input Impedance
    Output Impedance
    Power Consumption
    Standard Tube Compliment
    Dimensions (WxHxD)
    Weight
    Project Pre Box RS Digital Preamplifier Black $1,699.00

    The most universal & future-proof high-end pre-amplifier, DAC, headphone amp!

    Pre Box RS Digital combines all features of DAC Box RS plus a very linear pre-amplifier with both solid-state and tube output stages, that can be selected alternatively. As in all our top-class digital products, we use PCM1792 DAC chips from Texas Instruments, but here we use 2 pieces in a dual differential mode to achieve ultimate fidelity. As a selectable feature a second DAC chip from Texas Instruments is on board, that can handle 32bit/384kHz. A high-class headphone output with selectable impedance for a perfect match to your headphones is also provided. Pre Box Digital RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with flexibility to use a wide range of digital and 1 analogue sound sources. Perfectly combined with Pro-Ject CD Box RS disc drive, Pre Box RS Digital will give outstanding sound experience, because of a I²S connection provided via RJ45, that is able to give jitter-free disc playback.

    FEATURES

    • Switchable DAC chips: 2x PCM1792 or PCM5102
    • 9 digital inputs: i²S, AES/EBU, Toslink, S/PDIF coax
    • Analogue: Pre-out XLR/RCA/headphone, RCA input
    • Headphone amp with adaptable output impedance
    • Fully balanced double mono design
    • Output stage switchable between 6922 tube & solid state
    • Ultra-linear and ultra low noise
    • Pure Class A circuitry
    • Blue Alps volume control
    • DC power supply (< 1 watt standby power)
    • IR remote control included
    • Available in black and silver

    Project Pre Box RS Preamplifier Black $1,299.00

    Features:

    Fully balanced double mono design
    Ultra-linear and ultra low noise
    pure Class A circuitry
    Input switching via relais
    low ESR capacitors
    blue Alps volume control
    3 XLR & 3 RCA inputs
    1 Pre–out XLR & 1 Record-out RCA
    standby-power consumption
    IR remote control included
    metal casing protects against vibration and interference
    Unison Research PRE Hybrid Balanced Preamplifier From $3,910.00

    UNICO PRE Hybrid Balanced Line Stage Preamplifier

    Specifications:

                Frequency Response: Flat @ 10 Hz / -0.2dB @ 100k Hz
                Input Stage: Pure class A
                Balanced Tube Stage:  2 x ECC82 (12AU7)
                Output Stage:  Pure Class A, discrete solid state buffer
                Input Connectors:  4 line RCA, 1 tape RCA, 4 balanced line XLR
                Output Connectors:  1 balanced XLR, 1 RCA (fixed), 1 RCA (phase selectable)
                Dimensions (WxDxH):  17” x 17” x 5.1”
                Net Weight:  25 lbs.
                Remote Control:  RC2