Marantz 2330B User Manual

An overview of the Marantz Model 2330B receiver's innovative design and features in the audio industry.

Instructions on inspecting the unit for transit damage and saving packing materials.

Block diagram overview of the Model 2330B's main functional elements, inputs, and outputs.

Details the FM antenna signal path, RF amplifier, mixer, and tuning capacitor for selectivity.

Describes the IF section, including filters and IC amplifiers for optimal phase linearity and selectivity.

Explains the circuit for indicating optimum antenna direction to minimize multipath reception.

Details the stereo composite signal processing, MPX IC, and de-emphasis circuit.

Describes the circuit that eliminates interstation noise during FM tuning.

Outlines the AM tuner's components, including RF stage, tuned circuits, and detector for AM reception.

Covers the selector switch, phono amplifier, and tone controls within the receiver's amplifier.

Details the FM antenna signal path, RF amplifier, mixer, and tuning capacitor for selectivity.

Describes the tone amplifier's dual feedback design and Baxandall type tone control for natural compensation.

Details the amplifier's voltage gain, power transistors, and protection circuits for safe operation.

Guidance on installing the receiver in a cabinet or on a shelf, ensuring proper ventilation.

Information on the optional wood veneer cabinet, Model WC-123, for housing the receiver.

Advice for installing the receiver in custom cabinetry, focusing on ventilation and opening size.

Details on connecting magnetic phono cartridges and troubleshooting potential hum issues.

Explanation of the IN and OUT jacks for connecting tape recorders.

Describes the use of AUX jacks for various high-level signal sources like tuners or TV audio.

Instructions for connecting the included ribbon-type "folded dipole" FM antenna.

Discusses the need for outdoor antennas in fringe areas and for minimizing multipath reflections.

Guidance on swinging out the AM ferrite-rod antenna and options for outdoor AM antennas.

Explains the function of PRE OUT and MAIN IN jacks for connecting external audio processors.

Instructions for connecting two stereo pairs of loudspeakers to SYSTEM 1 and SYSTEM 2 terminals.

A detailed test procedure to ensure correct stereo separation and frequency response of speakers.

Information about connecting headphones using a three-conductor phone plug.

Overview of switches and jacks related to tape recorder monitoring and copying functions.

Procedures for replacing the 8-amp fuse, emphasizing using the correct rating.

Recommendations for cleaning the front panel and knobs using mild detergent and water.

A general guide to diagnosing and resolving common operational issues.

Describes the function of the power switch and its connection to the switched outlet.

Explains how the selector switch chooses the program source for listening or recording.

Details the volume control's function in adjusting output levels while maintaining stereo balance.

How to use the balance control to correct unbalanced programs or stereo broadcasts.

Explains how the tone controls adjust the receiver's frequency response for listening preference.

Describes the switch that alters the operating characteristics of the tone controls.

Explains the five-position rotary switch for various signal functions like Stereo, L+R, L, R, REVERSE.

Details the Signal Strength and FM Tuning meters and their functions.

Instructions for using the tuning knob to select AM and FM stations.

Explains how to use the button to optimize FM reception by minimizing multipath.

Describes the switch for reducing noise on weak stereo FM signals.

Covers the 15 Hz and 9 KHz filter switches for suppressing low or high frequency noise.

Explains the switch that boosts bass and treble at low volumes for better tonal balance.

Details the muting function to eliminate interstation noise and the level control.

Explains the front panel dubbing jacks and the necessary patch cord for external recorders.

How to monitor tape recorders using the TAPE MONITOR switches.

Details how to select the source input for recording onto tape recorders.

Explains the Dolby System for reducing FM hiss and improving signal-to-noise ratio.

Guide to recording Dolbyized FM broadcasts to reduce tape hiss and FM hiss.

Guidance on servicing the unit, recommending qualified technicians and authorized service facilities.

Instructions for safely packing the unit for shipping to a service center or factory.