Jotunheim er konstruert til å takle samtlige hodetelefoner på markedet, uansett om det er IEMs/ørepropper med høy følsomhet eller tungdrevne magneplanarklokker.
Jotunheim er sannsynligvis den kraftigste forsterkeren i sin klasse. Over den balanserte utgangen gir den hele 5 watt i 32 ohm, 900mW i 300 ohm og 500mW i 600 ohm. Kort sagt er dette den ultimate universale hodetelefonforsterker
Det er også mulig å utruste forsterkeren med DAC-modul (velg mellom AK4490 eller Schiit sin velrenomerte Multibit-DAC). Ønsker du å koble til platespilleren kan du velge å sette inn et RIAA-trinn for MM pickuper i stedenfor.
You asked for it—a one-box, do-all, no-excuses desktop system that’s ready for any headphone and powered monitor on the planet. Done. At the same time, why don’t we make the conventional, non-upgradable DAC/amp idea seem, well, a bit outdated? Done and done. Welcome to Jotunheim!
DAC/Amps: They’re Sooooo Last Decade
Don’t get stuck with dumpster fodder when DAC technology changes—choose Jotunheim and be ready for today…and the future. Configure Jotunheim to your needs: use it as just an amp, or add an internal DAC or phono preamp. In the future, you’ll be able to easily upgrade to a different module—maybe even something beyond a DAC or phono preamp.
Ready For Any Headphone
IEMs? Sure. HE-6? Sure. If this means nothing to you, just be confident that you can plug any headphone into Jotunheim and get great sound, with ultimate power and authority. Balanced or single-ended—it doesn’t matter. With 5W output into 32 ohms from the balanced outputs, Jotunheim has tons of power to spare.
Ready for Any Powered Monitor or Power Amp
Balanced and single-ended preamp outs mean that Jotunheim is ready for any powered desktop monitor—or to plug into those gigadollar monoblocks you’ve been eyeing.
Unrivaled Flexibility
Select high or low gain with the flick of a front-panel switch, for compatibility with both easy-to-drive and hard-to-drive headphones. Select from two different DAC modules, a phono input module, or no module at all to tailor Jotunheim exactly to your needs.
Multibit DAC. Choose the optional Multibit DAC Module to get Schiit’s unique digital filter and multibit DAC architecture, as used in Modi Multibit, for $200.
AK4490 DAC. Or choose the more affordable AK4490 DAC module for a world-class delta-sigma DAC for only $100.
MM Phono. Or, choose the MM phono input module, for 42dB of gain and passive RIAA, for great phono sound, at only $100.
Unique Pivot Point Gain Stage Jotunheim’s gain stage is a unique, inherently balanced, fully discrete current feedback topology that provides both balanced and single-ended output without the need for splitters or summers. It provides extremely wide bandwidth and excellent measured performance—together with the advantages of constant, low feedback across the entire audio band. What does all this techno-talk mean? In English, excellent performance from all inputs and outputs.
Spesifikasjoner
Amplifier: Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-700KHz, -3dB Balanced Headphone Output: Maximum Power, 16 ohms: 7500mW RMS per channel Maximum Power, 32 ohms: 5000mW RMS per channel Maximum Power, 50 ohms: 3000mW RMS per channel Maximum Power, 300 ohms: 900mW RMS per channel Maximum Power, 600 ohms: 500mW RMS per channel Single-Ended Headphone Output: Maximum Power, 16 ohms: 2500mW RMS per channel Maximum Power, 32 ohms: 1500mW RMS per channel Maximum Power, 50 ohms: 800mW RMS per channel Maximum Power, 300 ohms: 350mW RMS per channel Maximum Power, 600 ohms: 175mW RMS per channel THD: <0.001%, 20Hz-20KHz, at 1V RMS IMD: <0.0015%, CCIR SNR: >109db, A-weighted, referenced to 1V RMS Crosstalk: >-70dB, 20 Hz-20KHz Output Impedance: Less than 0.1 ohms, balanced or SE, at both gain settings Input Impedance: 50K ohms Gain: 2 (6dB) or 8 (14dB), selectable via front switch Inputs: Balanced XLR and Single-Ended RCA, selectable via front switch Outputs: Balanced headphone (4-pin XLR), single-ended headphone (1/4” TRS), balanced line preamp, single-ended line preamp Optional Inputs: Multibit DAC, AK4490 DAC, or Passive MM Phono Gain Stage: Proprietary Schiit Pivot Point™ fully discrete differential current-feedback topology Power Supply: One 48VA transformer with 6 stages of discrete or integrated regulation and over 70,000uF total filter capacitance
Optional Dual AK4490 DAC: USB Input Receiver: C-Media CM6631A D/A Conversion IC: AK4490 x 2Input Capability: up to 24/192 Analog Output: fully differential, active summing and filtering Frequency Response: 20Hz-20KHz, +/-0.1dB, 2-100kHz, -3dB THD: <0.001%, 20Hz-20KHz, full scale IMD: <0.001%, CCIR S/N: >108dB, referenced to 2V RMS, unweighted
Optional Multibit DAC: USB Input Receiver: C-Media CM6631A D/A Conversion IC: Analog Devices AD5547 Digital Filter: Schiit Comboburrito Time- and Frequency-domain Optimized DSP filter Input Capability: up to 24/192 Analog Output: fully differential, active summing and filtering Frequency Response: 20Hz-20KHz, +/-0.25dB, 2-100kHz, -3dB THD: <0.005%, 20Hz-20KHz, full scale IMD: <0.006%, CCIR S/N: >109dB, 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
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