Flagowy model przedwzmacniacza tej marki, pomimo 40-to letniej przeszłości, jest w pełni sprawny, w znakomitym stanie technicznym i wizualnym (stan gabinetowy), o walorach dźwiękowych nie będę się rozpisywał (dźwięk rewelacyjny).

Specyfikacja:

Form Duo beta plusX stereo control center Output voltage Pre Out: -- standard -- a maximum of [ 1V and ] -- 20V Rec Out: Standard 140mV, a maximum of 20v Output load impedance Pre Out: 47ohms Rec Out: 100ohms THD (20Hz - 20kHz) Phono man month/MC: Less than 0.005% (Rec Out: 140mV) Tuner, AUX: 0.005% or less (Pre Out:1V) Monitor1, 2:0.005% or less (Rec Out:1V) Cross modulation distortion (60Hz:7kHz=4:1) Phono man month/MC: Less than 0.002% (Rec Out: 140mV) Tuner, AUX: 0.002% or less (Pre Out:1V) Monitor1, 2:0.002% or less (Pre Out:1V) Frequency characteristic Phono: 20Hz-20kHz�}0.2dB Tuner, AUX: 0.5Hz - -140kHz 0.5dB Monitor1, -2:0.5 Hz - 140kHz 0.5dB Input sensitivity (Pre Out:1V) Phono MC:0.09mV Phono MM:2.0mV Tuner, AUX: 140mV Monitor1, 2:140mV Input impedance Phono MC:high 100 ohm, Low 50ohm Phono man month:man month 50kohm, MC 100ohm Tuner, AUX:55kohm Monitor1, 2:55kohm SN ratio (an IHF-A correction, input short-circuit) Phono MC: -148 dB/V (input conversion noise) Phono MM:80dB Tuner, AUX: 100dB Monitor1, 2:100dB Tone control Turnover-frequency shift expression (the object for high regions, for low-pass) Subsonic Filter 7Hz (twin T type) Attachment MC impedance switching (high, low) man month/MCdirect impedance switching Tone it1 switchpoint Rec Out switchpoint Two tapes monitors (1, 2) Tapes dubbing (1->2, 2->1) Line phase sensor Supply voltage AC100V, 50Hz/60Hz Power consumption 25W (Electrical Appliance and Material Control Law) AC outlet Switched: Two lines, total450W Unswitched: One line, 500W Dimensions Width 478x height 163x depth of 384mm Weight 9kg