Nakamichi CA-5AII User Manual

Nakamichi
Ch hu/Ch-
...... u
Control Amplifier
Owner's Manual
Nak mlc hl is producing Hi-R eq ui pment for 52 countries of the wor ld.
Man y countries have safety r eg ulations, to which Nakamic hi has to comply during production.
The additional mentioning of "A"
on y our model means that Ihis product has be en produced according
to the requirements In the
Un ited States of the Underwrites Laboratories (UL), as well as o th er
applicable state and Federal safety standards.
Within the United States, Nakamlchi has
au thorized Its local di stributors to offer warranties on ly on
products which have been produced for th e United States market in accordance with the foregoing
standards.
Notice to Purchasers
of the Model CA-sn :
Reference In
th e illustrations and the t ex t Is made to "CA-5A n," but opera ti on and functions are
completely Identical to your mode
l.

Nakamichi CA-5AII Specifications

Input Sensitivity and Impedance

Phono MC (36 dB Gain) sensitivity	45 μV/100 ohms
Phono MC (30 dB Gain) sensitivity	85 μV/100 ohms
Phono MM sensitivity	2.5 mV/50 kohms

Signal-to-Noise Ratio

Phono MC (36 dB Gain) SNR	Better than 81 dB
Phono MC (30 dB Gain) SNR	Better than 80 dB
Phono MM SNR	Better than 88 dB

Maximum Input Level

Phono MC (36 dB Gain) max input level	4.5 mV
Phono MC (30 dB Gain) max input level	8.5 mV
Phono MM max input level	270 mV

Output Level and Impedance

Pre Out level	2 V/1 kohms
Rec Out level	50 mV/1 kohms
Maximum Output Level	7 V

Tone Control Characteristics

Bass control	20 Hz ± 10 dB
Treble control	20 kHz ± 10 dB
Total Harmonic Distortion	Less than 0.005%

Power and Consumption

Power Source	120, 120/220-240, 220 or 240 V AC
Frequency	50/60 Hz
Power Consumption	23 W max

Weight and Dimensions

Dimensions (W x H x D)	435 x 103 x 287 mm
Dimensions (inches)	17-1/8 x 2-1/2 x 11-5/16 inches
Weight	5.1 kg, 11 lbs. 4 oz.

Summary

Safety Instructions

General Safety Instructions

Comprehensive safety and operating guidelines for user protection and proper use.

Caring for Exterior Panels

Instructions on cleaning the unit's exterior surfaces without damage.

Controls and Features

Tone Controls

Adjusts bass and treble frequencies to shape the tonal balance of the audio output.

Tone Switch

Activates or bypasses the tone control circuits for pure signal path.

Input Selector

Selects the audio source from connected components like CD player or tuner.

Balance Control

Adjusts the relative volume levels between the left and right speaker outputs.

Cartridge Selector

Selects the correct setting for phono cartridges based on type (MM/MC).

Cartridge Load/Gain Selector

Optimizes phono cartridge termination capacitance or gain for best sound.

Tape Monitor Switch

Selects source or tape playback for monitoring during recording or playback.

Terminal for Remote Power On/Off Switching

Connection point for an optional system power control strip.

Voltage Selector

Allows changing the unit's mains voltage for use in different countries.

Connections

Turntable Connections

Specific instructions for connecting a turntable, including grounding.

Cartridge Selector Details

Detailed explanation of the cartridge selector switch for optimal phono input.

Cartridge Loading Details

Explains cartridge load/gain selector settings for MM and MC cartridges.

Operation

Phono Playback

Steps for playing vinyl records using the phono input and controls.

Listening to Other Sources

How to play audio from CD players, tuners, and other line-level sources.

Recording and Playback with Tape Deck

Guide for connecting and operating tape decks for recording and playback.

Tape Dubbing

Instructions for transferring audio between two connected tape decks.

Power Amplifier Connections

How to connect power amplifiers to the pre-out jacks for audio output.

Power Supply Connections

Steps for connecting the unit to AC power and the sequence for powering on.

Troubleshooting

Troubleshooting Guide

Common issues like no power or no sound with their probable causes and remedies.

Specifications

Technical Specifications

Detailed technical data including input sensitivity, output levels, and frequency response.