User manual NAKAMICHI CA-5II

[. . . ] Nakamichi Ch hu/Ch- . . . . . . u Control Amplifier Owner's Manual Nak mlchl is prod ucing Hi-R equi pment for 52 countries of the world. Man y countries have safety reg ulations, to which Nakamichi has to comply during production. The add itional mentioning of "A" on your model means that Ihis product has been produced according to the requirements In the Uni ted States of the Underwri tes Laboratories (UL), as well as other appl icable state and Federal safety standards. Withi n the United States, Nakamlchi has authorized Its local di stributors to offer warra nties only on products which have been produced for th e United States market in accordance with the foregoin g standards. [. . . ] o o o Balance Control Serves to adjust left/right speaker balance. (\) Cartridge Selector Set this switch to the correct position for the type of phono cartridge in use. Voltage Selector AC voltage is factory set for the country In which you purchased your unit. The voltage selector permits re-seltlng of mains voltage in case the unit is to be used in a different country. Note: Safety regulations in certain countries prohibit Inclusion of a voltage selector. This feature, therefore, may be absent trom your unit. 3 Connections Turntable Tuner Tape Deck 2 To L, R Inputs ~ To L, R Outputs _ - - - - _ Power Ampli fier 2 ~ To L, R Inputs To l_, R Outputs To L, R Inputs To L, R Outputs To AC W II Outlet or Opti onal System Power Control Strip (SPC-1) CD Player Tape Deck 1 Power Ampl ifier 1 System Power Control st rip (SPC-1) Establish connections to other system components as shown in the above example. Wh ile making connections, be sure to set the power switches of all components to Off. · For easy identification, the upper row of all input and output jacks of this unit serves th e left channel and the lower row the right chan nel. · Never use a moving -magnet cartridge with the selector set to the "Moving Coil" position, as this will result in severe distortion and possible damage to this unit and to th e loudspeakers. Turntable Connections Connect the ground lead from the turnta ble to the Ground (GND) termi nal of th is un it. · Cartridge Selector The Cartridge selector switch on the rear panel of this unit must be set to the correct position, depending on the type of phono pickup used. Moving Magnet: For moving-magnet (MM) type cartri dges (including the so-called MI, 1M and VM types), as well as for high-output moving-coil cartridges with a rated output voltage of 1. 0 mV or more. Moving Coil: For moving-coil type cartridges with a rated output voltage of less than 1. 0 mV · Cartridge Loading This unit Incorporates a Cartridge Load/Gain selector to ensure optimum term ination and gain for best results with a wide range of phono cartridges. When the Cartridge selector is set to "Moving Magnet, " a choice of three differen t load capac itance values is provided (100 pF, 200 pF, or 300 pF) When the Cartridge selector is set to "Movi ng Coil, " the head amplifier gain can be switched in three steps (24, 30, or 36 d B). When determining the capacitance setting for moving-magnet ca rtridges, the so-called floating capacitance added by the connecting cables between the cartridge and this unit's Phono Inputs must also be taken into cons ideration . As a rule of thumb, the desired capacitance can be found by subtracting the cable capaCi tance (approx. 100 pF for ordinary cables) from the recommended capaCitance loading for your cartridge (usually li sted in the spec sheet). · Use of the System Power Control strip SPC-1 By connecting the opti onal System Power Control strip (SPC-1) to the termin al for Remote Power Onl Off Switching on th e rear panel of this unft, AC power to oth er system components can be controlled by the Power switch of the CA-SAIT. For details, please refer to th e instructions supplied with the SPC-1. Power Amplifier Connections This unit provides two sets of li ne outputs, so that two power amplifiers can be driven simul taneousl y, if desired. Since exactly the same signal is suppli ed at these outputs, either set can be ch osen when only one power amplifier is used. Never insert an y shorting pl ugs or th e like into the other set of li ne output Jacks. as th is ca n cause damage to th e unit. Always turn the Volume control fu ll y down before operating the Cartridge selector or the Load/Gain selector, to protect the loudspeakers from damage. Operation Before operating the unit, make sure that the Output Level control is ful ly turned to min imum. 4 seconds) after power to this unit is switched on . the output of the CA- SAIT remains muted and no sound will be heard, until all internal circuits to stabilize. After all system connections are completed, make sure that this unit's Output Level control is turned to minimum. Then set this unit's Power switch to "On" and finally turn on the power amplifier. [. . . ] Set Cart ridge selector to "Moving Coil. " 12. Select proper load Impedance for cartridge in use. Hum noi e is heard duri ng record playback. Low vol ume levels when using moving-coil cartri dge. Specifications Input Sensit ivity /Impedance Phono MC (36 dB G in) . . 45 I'-V/ 100 ohms (30 dB G in) . . 150 rnV/12 . 5 kohms Input Sensiti vity (New IHF) Phono MC (36 dB Gain). [. . . ]