Description
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 centrepiece of a complete desktop system. 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 Schiit Audios exclusive Nexus™ current-feedback, inherently differential, input/output agnostic topology. It also includes Schiits 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 FutureJotunheim 2 is the a modular, affordable balanced headphone amp. Choose from one of two optional modules: Choose the ES9028 module with Unison USB™ for a world-class delta-sigma DAC. Or, choose the MM phono input module (Special Order), for 42dB of gain and passive RIAA, for great phono sound. 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.SpecsFrequency Response: 20Hz-20Khz, +/-0.01db, 2Hz-700KHz, -3dBBalanced Headphone Output:Maximum Power, 16 ohms: 7.5W RMS per channelMaximum Power, 32 ohms: 6W RMS per channelMaximum Power, 50 ohms: 4W RMS per channelMaximum Power, 300 ohms: 1.2W RMS per channelMaximum Power, 600 ohms: 600mW RMS per channelTHD: <0.00015%, 20Hz-20KHz, at 4V RMS, 300 ohmsIMD: <0.0002%, CCIR, at 4V RMS, 300 ohmsTHD: <0.0004% 20-20kHz at 2V RMS, 32 ohmsIMD: <0.0006%, CCIR, at 2V RMS, 32 ohmsSNR: >123db, unweighted, referenced to 4V RMSCrosstalk: >-85dB, 20 Hz-20KHz, 300 ohmsCrosstalk: >-70dB, 20 Hz-20KHz, 32 ohmsOutput Impedance: Less than 0.1 ohms, at either gain settingSingle-Ended Headphone Output:Maximum Power, 16 ohms: 2.4W RMS per channelMaximum Power, 32 ohms: 2.0W RMS per channelMaximum Power, 50 ohms: 1.2W RMS per channelMaximum Power, 300 ohms: 330mW RMS per channelMaximum Power, 600 ohms: 165mW RMS per channelTHD: <0.006%, 20Hz-20KHz, at 2V RMS, 300 ohmsIMD: <0.007%, CCIR, at 2V RMS, 300 ohmsTHD: <0.03% 20-20kHz at 1V RMS, 32 ohmsIMD: <0.035%, CCIR, at 1V RMS, 32 ohmsSNR: >102db, unweighted, referenced to 2V RMSCrosstalk: >-85dB, 20 Hz-20KHz, 300 ohmsCrosstalk: >-70dB, 20 Hz-20KHz, 32 ohmsOutput Impedance: Less than 0.1 ohms, at either gain settingInput Impedance: 50K ohmsGain (balanced input): 2 (0dB) or 8 (18dB)Gain (SE input): 1 (0dB) or 4 (12dB)Inputs: Balanced XLR and Single-Ended RCA, relay switchedOutputs: Balanced headphone (4-pin XLR), single-ended headphone (1/4” TRS), switchable balanced and single-ended line preampOptional Inputs: ES9028 DAC or Passive MM PhonoGain Stage: Nexus™ fully discrete differential current-feedback topology with Continuity S™ output stagePower Supply: One 48VA transformer with four stacked rails, series two-stage ultra-low-noise regulation and over 65,000uF total filter capacitanceOptional ES9028 DAC:USB Input Receiver: Schiit Unison USB™D/A Conversion IC: ESS ES9028Analog Output: differential I/V conversion based on LME49724, switchable summed SE modeFrequency Response: 20Hz-20KHz, +/-0.1dBTHD: <0.0005%, 20Hz-20KHzIMD: <0.0005%, CCIRS/N: >116dB, referenced to 2V RMS, unweightedOptional Passive Filtered Phono Stage:Gain: 42dBTHD: <0.01%, A-weighted, at 1V RMSSNR: >80dB, A-weighted, inputs shortedCrosstalk: -70dB, 20-20kHzSensitivity: 2.3mV for 400mV outputOverload Margin: >20dBInput Impedance: 47k ohms Input Capacitance: 100pfRIAA Accuracy: +/- 0.25dB, 20-20kHzTopology: Fully passive RIAA network with AD8599 gain stages and PET film capacitors throughout, DC coupled, with DC servoPower Consumption: 25W typicalSize: 22.86 x 15.24 x 5.08 CmsWeight: 2.27 Kgs
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