Vacuum tube preamplifier assembly kit [TU-8500]

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About Vacuum Tube Preamplifier Assembly Kit

Product Description Equipped with a-phono equalizer amplifier Features of this unit], adopted CR type can equalizer amplifier record playback with an emphasis on sound quality by connecting the analog player, the cartridge also corresponds to either MM type / MC type equalizer amplifier part is adopted OP amplifier of low noise sorting products (exchange to other OP amp socket type is also available) flat amplifier section uses a vacuum tube 12AU7 (ECC82), the gain is about three times and 1 times the switching of is possible [specification of TU-8500] use vacuum tube or the like 12AU7 (ECC82) × 2 This OP-AMP: NJM2068DD × 2 this input terminal RCA jack four systems (PHONO, LINE1 ~ 3) priority of the 3.5mm stereo jack 1 system (LINE3 Input) × 1 output terminal RCA jack 1 system (PRE OUT) power supply voltage AC100V 50 / 60Hz IEC standard 3P inlet type ※ assembly at the time of 115V, 200V, power can be changed rating consumption to 230V specifications 8W body size W252 × H73 × D270mm and (protrusion section including) body weight about 3.1kg (upon completion, without power cord) Flat amplifier section] gain 3.1 times (9.8dB) /1.15 times (1.2dB) frequency characteristic (-3dB) 2Hz ~ 70kHz / 2Hz ~ 280kHz SN ratio (IHF-A) 122dB / 129dB maximum output voltage 22Vrms (1kHz) [equalizer amplifier part] corresponding cartridge MM (LOW) / MC (HIGH) switching gain by the rear switch (1kHz) [MM] 37dB / [MC] 63dB SN ratio (IHF-A) [MM] 108dB / [MC] 88dB input resistance [MM] 50kΩ / [MC] 100Ω maximum output voltage 7.4Vrms (1kHz)