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Schiit Audio Jotunheim 2

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Unique technology, unrivalled flexibility, and modular design—the Jotunheim 2 sets the standard for balanced headphone amps and preamps. It’s ready for any headphone—and fully enabled to be the centerpiece of a complete desktop system. 

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  • The Best $XXXX Headphone Amp—For $XXX?
    If you’re talking fully discrete, truly balanced headphone amps, you’re usually talking big, big money. Not with Jotunheim 2. It meets—or even exceeds—the insane parts and build quality of boutique amps. A true balanced, 4-gang, silky-smooth Alps RK27114 potentiometer and 1% “supermatched” JFET inputs, 10% matched, paired BJT gain stage and output devices, and zero capacitors in the signal path is just a start. Jotunheim 2 also features our exclusive Nexus™ current-feedback, inherently differential, input/output agnostic topology. It also includes our Continuity S™ output stage for exceptional linearity and efficiency at high output. Or, in English, Jotunheim 2 connects seamlessly to all your sources without compromise, puts out an incredible amount of power, and is whisper-quiet on even the most sensitive IEMs.

    Total. Desktop. Control.
    Jotunheim 2 provides all the connections and control for your entire desktop. Choose balanced, single-ended, or an internal card source with one front panel switch. Enjoy all your headphones, from the most power-hungry to the most sensitive. Hook up to powered monitors or speaker power amps via the balanced and single-ended preamp outputs. And, enable or disable the preamp outputs with a convenient switch. Jotunheim is all you need for a state-of-the-art desktop.
     
    Modularity: Tailored To Your Needs, Ready For the Future
    Jotunheim 2 is the only modular, affordable balanced headphone amp available today. This means it’s the only amp that lets you tailor it perfectly to your needs. Choose from these optional modules: 
    • ES9028 DAC. Choose the ES9028 module with Unison USB™ for a world-class delta-sigma DAC for $100. 
    • True Multibit Unison USB™ DAC. Or choose our own True Multibit technology, with AD5547 DAC and proprietary DSP-based digital filter, as well as our own Unison USB interface, for $200.
    • MM Phono. Or, choose the MM phono input module, for 42dB of gain and passive RIAA, for great phono sound, for $100. 
    Also, Jotunheim 2’s modular design means you’re ready for the future. You won’t get stuck with dumpster fodder if DAC technology changes—just swap the module. And, you won’t get stuck with an amp that doesn’t work for you—change the module to meet your changing needs.
     
    Designed and Built in California
    The vast majority of the total production cost of Jotunheim 2—chassis, boards, transformers, assembly, etc—goes to US companies manufacturing in the US. Chassis are made minutes from our facility. PCBs are done just over the hill from us. Transformers are made in NorCal. You get the picture. 


  • Frequency Response: 20Hz-20Khz, +/-0.01db, 2Hz-700KHz, -3dB

    Balanced Headphone Output:
    Maximum Power, 16 ohms: 7.5W RMS per channel
    Maximum Power, 32 ohms: 6W RMS per channel
    Maximum Power, 50 ohms: 4W RMS per channel
    Maximum Power, 300 ohms: 1.2W RMS per channel
    Maximum Power, 600 ohms: 600mW RMS per channel
    THD: <0.00015%, 20Hz-20KHz, at 4V RMS, 300 ohms
    IMD: <0.0002%, CCIR, at 4V RMS, 300 ohms
    THD: <0.0004% 20-20kHz at 2V RMS, 32 ohms
    IMD: <0.0006%, CCIR, at 2V RMS, 32 ohms
    SNR: >123db, unweighted, referenced to 4V RMS
    Crosstalk: >-85dB, 20 Hz-20KHz, 300 ohms
    Crosstalk: >-70dB, 20 Hz-20KHz, 32 ohms
    Output Impedance: Less than 0.1 ohms, at either gain setting
     
    Single-Ended Headphone Output:
    Maximum Power, 16 ohms: 2.4W RMS per channel
    Maximum Power, 32 ohms: 2.0W RMS per channel
    Maximum Power, 50 ohms: 1.2W RMS per channel
    Maximum Power, 300 ohms: 330mW RMS per channel
    Maximum Power, 600 ohms: 165mW RMS per channel
    THD: <0.006%, 20Hz-20KHz, at 2V RMS, 300 ohms
    IMD: <0.007%, CCIR, at 2V RMS, 300 ohms
    THD: <0.03% 20-20kHz at 1V RMS, 32 ohms
    IMD: <0.035%, CCIR, at 1V RMS, 32 ohms
    SNR: >102db, unweighted, referenced to 2V RMS
    Crosstalk: >-85dB, 20 Hz-20KHz, 300 ohms
    Crosstalk: >-70dB, 20 Hz-20KHz, 32 ohms
    Output Impedance: Less than 0.1 ohms, at either gain setting
     
    Input Impedance: 50K ohms
    Gain (balanced input): 2 (0dB) or 8 (18dB)
    Gain (SE input): 1 (0dB) or 4 (12dB)
    Inputs: Balanced XLR and Single-Ended RCA, relay switched
    Outputs: Balanced headphone (4-pin XLR), single-ended headphone (1/4” TRS), switchable balanced and single-ended line preamp
    Optional Inputs: ES9028 DAC or Passive MM Phono
    Gain Stage: Nexus™ fully discrete differential current-feedback topology with Continuity S™ output stage
    Power Supply: One 48VA transformer with four stacked rails, series two-stage ultra-low-noise regulation and over 65,000uF total filter capacitance
     
    Optional ES9028 DAC:
    USB Input Receiver: Schiit Unison USB™
    D/A Conversion IC: ESS ES9028
    Analog Output: differential I/V conversion based on LME49724, switchable summed SE mode
    Frequency Response: 20Hz-20KHz, +/-0.1dB
    THD: <0.0005%, 20Hz-20KHz
    IMD: <0.0005%, CCIR
    S/N: >116dB, referenced to 2V RMS, unweighted
     
    Optional Passive Filtered Phono Stage:
    Gain: 42dB
    THD: <0.01%, A-weighted, at 1V RMS
    SNR: >80dB, A-weighted, inputs shorted
    Crosstalk: -70dB, 20-20kHz
    Sensitivity: 2.3mV for 400mV output
    Overload Margin: >20dB
    Input Impedance: 47k ohms 
    Input Capacitance: 100pf
    RIAA Accuracy: +/- 0.25dB, 20-20kHz
    Topology: Fully passive RIAA network with AD8599 gain stages and PET film capacitors throughout, DC coupled, with DC servo
     
    Power Consumption: 25W typical
    Size: 9” x 6” x 2”
    Weight: 6 lbs
     


    United States / Mexico / Taiwan
    USA Plug (Type B) 115V
    Australia / New Zealand / China Australian Plug (Type I) 230V
    UK / Singapore / Malaysia / Hong Kong UK Plug (Type G) 230V
    Europe / India / Korea / Russia / Thailand / Indonesia EU Plug (Type C) 230V
  • • Schiit Audio Jotunheim 2 x 1
    Jotunheim 2 Manual x 1
    • Power Cord x 1