Discrete, High Power Headphone Amplifier
SPECIFICATIONS
Magni 2 Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-200KHz, -3dB Maximum Power, 16 ohms: 1.8W RMS per channel Maximum Power, 32 ohms: 1.2W RMS per channel Maximum Power, 50 ohms: 1.0W RMS per channel Maximum Power, 300 ohms: 260mW RMS per channel Maximum Power, 600 ohms: 130mW RMS per channel THD: Less than 0.003%, 20Hz-20KHz, at 1V RMS IMD: Less than 0.004%, CCIF SNR: Greater than 102db, unweighted, referenced to 1V RMS Crosstalk: -70dB, 20 Hz-20KHz Output Impedance: Less than 0.2 ohms Gain: 1.5 (3db) or 6 (14db), selectable via rear switch Topology: Fully discrete FET/bipolar, constant feedback through audio band, Class AB, DC coupled throughout Protection: Standard failsafe DC power input and muting relay Power Supply: “Wall wart” style 8VA 16VAC transformer, regulated +/- 15V railswith over 4,000uF filter capacitance Power Consumption: 4W Size: 5 x 3.5 x 1.25” Weight: 1 lb Magni 2 Uber Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-250KHz, -3dB Maximum Power, 16 ohms: 2.1W RMS per channel Maximum Power, 32 ohms: 1.5W RMS per channel Maximum Power, 50 ohms: 1.2W RMS per channel Maximum Power, 300 ohms: 320mW RMS per channel Maximum Power, 600 ohms: 160mW RMS per channel THD: Less than 0.002%, 20Hz-20KHz, at 1V RMS IMD: Less than 0.003%, CCIF SNR: Greater than 104db, unweighted, referenced to 1V RMS Crosstalk: -70dB, 20 Hz-20KHz Output Impedance: Less than 0.2 ohms Gain: 1.5 (3db) or 6 (14db), selectable via rear switch Preamp Output: Yes, controlled by volume pot and switched via headphone jack Topology: Fully discrete FET/bipolar, constant feedback through audio band, complementary VAS drive, Class AB, DC coupled throughout Protection: Standard failsafe DC power input and muting relay Power Supply: “Wall wart” style 24VA 14VAC transformer, regulated +/- 16V rails, with over 6,000uf filter capacitance Power Consumption: 5W Size: 5 x 3.5 x 1.25” Weight: 1 lb
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