AUDIO RESEARCH Reference PH 3 SE
AUDIO RESEARCH Reference PH 3 SE. Phono preamplifier.
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A formidable phono preamp that can be unreservedly defined as the new frontier in vinyl record playback. To achieve this, it includes some of the substantial technical innovations incorporated into the Reference 6SE line preamplifier in a configuration featuring vacuum devices, specifically six 6H30s in the audio stage, plus a 6H30 and a 6550 in the power stage, the second assigned to regulation tasks. For its part, management through an effective menu system allows the user to control functions such as automatic shutdown, gain and load impedance settings, the brightness level of the function display, the equalization curve and the accumulated hours of use. by the vacuum valves. Two sets of unbalanced inputs allow you to connect two turntables, as well as balanced and unbalanced outputs, and RS-232 and infrared jacks for additional control options.
Technical characteristics:
• Absolute reference phono preamplifier.
• Compatible with moving coil (MC) and moving magnet (MM) capsules.
• Updated Reference Phono 3 with Reference 6SE technology.
• Circuit topology based entirely on vacuum valves (6H30 and 6550).
• User selectable equalization curves: RIAA, Columbia and Decca.
• Gain of 51/73 dB at 1 kHz in balanced and 45/67 dB in unbalanced.
• Executed with discrete components tailor-made for Audio Research.
• Selectable load impedance between 100, 200, 500, 1,000 and 47,000 ohms.
• Frequency response of 10-60,000 Hz (20-20,000 Hz, +/- 0.2 dB).
• 100 pF charge capacitance.
• Output impedance of 400/200 ohms in balanced / unbalanced mode.
• Dimensions: 480x198x419 mm (W x H x D).
• Weight: 16'6 kg.
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