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Sansui AU-D11 II Service Manual

Sansui AU-D11 II
12 pages
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Sansui AU-D11 II Specifications

General IconGeneral
Damping Factor100
Input Sensitivity (line)150 mV
Signal-to-Noise Ratio (line)100 dB
Input sensitivity (MC)0.25 mV
Input sensitivity (MM)2.5 mV
Signal to noise ratio (MC)74dB
Channel separation (line)70 dB
Input Sensitivity (DIN)150 mV
Channel separation (MM)70 dB
Speaker load impedance4Ω to 16Ω

Summary

Specifications

Power Output

130 watts per channel into 8 ohms.

Total Harmonic Distortion

Less than 0.0028% at or below rated min. RMS power output.

Intermodulation Distortion

(60 Hz: 7 kHz 4:1 SMPTE method) less than 0.0028% at rated power output.

Frequency Response

DC to 300,000 Hz, +0 dB -3.0 dB.

RIAA Curve Deviation

+0.2 dB, -0.2 dB.

Input Sensitivity and Impedance

DISC-MC-HIGH 250 µV/40 ohms, DISC-MC-LOW 70 µV/3.2 ohms.

Output Level

TAPE REC-1, 2 150 mV into 47 kilohms.

Signal to Noise Ratio

DISC-MC 80 dB, DISC-MM 90 dB, AUX, TUNER, TAPE PLAY-1, 2 110 dB.

Controls and Filter

Tone selector, BASS 10 dB at 50 Hz, TREBLE 10 dB at 10 kHz, SUBSONIC -3 dB at 16 Hz.

Power Requirements

Power voltage 120/220/240V (50/60 Hz). Power consumption 470 watts 560 VA Rated.

Dimensions

466 mm (18-3/8") W 161 mm (6-3/8") H 431 mm (17") D.

Weight

17 kg (37.4 lbs) net 19 kg (41.8 lbs) packed.

Caution: Safety and Handling

Safety Critical Parts

Parts identified by the symbol on the schematic diagram and parts list are critical for safety.

Caution: Symbol and Parts List Interpretation

Symbol Interpretation Guide

The symbols UL, CSA, BS, UK, EU, AS, and XX on the parts list and schematic diagram have specific meanings.

Unassembled Circuit Boards

Some printed circuit boards are not supplied assembled; stock numbers are not indicated for these.

Handling Omitted Parts Lists

Refer to the Common Parts List for omitted capacitors and resistors, issued February 1983.

Block Diagrams

Power Amplifier Block Diagram

Illustrates the power amplifier circuitry and its main components.

Pre-Amplifier Block Diagram

Illustrates the pre-amplifier circuitry and its main functional blocks.

Component Identification - Equalizer and Driver Amps

F-4263 Equalizer Amp. Board Parts

Lists components and their locations on the Equalizer Amp circuit board.

F-4266 Driver Amp. Board Parts

Lists components and their locations on the Driver Amp circuit board.

Component Identification - Protector and Driver Amps

F-4267 Driver Amp. Board Parts

Lists components and their locations on the Driver Amp circuit board.

F-4268 Protector Board Parts

Lists components and their locations on the Protector Circuit board.

F-4269 Protector Board Parts

Lists components and their locations on the Protector Circuit board.

Component Identification - Selectors and Volume Control

F-4271 Input Selector Board Parts

Lists components and locations for the Input Selector circuit board.

F-4270 MM/MC Input Terminal Board Parts

Lists components and locations for the MM/MC Input Terminal board.

F-4272 DISK & REC Selector Board Parts

Lists components and locations for the Disk & Rec Selector circuit board.

F-4274 VOLUME Control Board Parts

Lists components and locations for the Volume Control circuit board.

Component Identification - Control Amplifier

F-4273 Control Amp. Board Parts

Lists components and their locations on the Control Amplifier circuit board.

Component Identification - Protector and Indicator Boards

F-4287 Protector Board Parts

Lists components and locations for the Protector Circuit board.

F-4275 Input Indicator Lamp Board Parts

Lists components and locations for the Input Indicator Lamp board.

F-4276 PHONES Jack Board Parts

Lists components and locations for the PHONES Jack board.

Schematic Diagram - Power Amplifier Section

Power Amp Circuit Layout

Detailed circuit diagram of the power amplifier section.

Schematic Diagram - Pre-Amplifier Section

Pre Amp Circuit Layout

Detailed circuit diagram of the pre-amplifier section.

Component Identification - Speaker Selector and Power Supply

F-4288 SPEAKERS Selector Board Parts

Lists components for the SPEAKERS Selector board.

F-4292 Power Supply Board Parts

Lists components for the Power Supply circuit board.

F-4289 PROTECTOR LED Board Parts

Lists components for the PROTECTOR LED board.

F-4291 Power Supply Board Parts

Lists components for the Power Supply circuit board.

Packing and Accessory Information

Packing List Details

Lists the items included in the product packaging for shipment.

Accessory List Details

Lists included accessories such as operating instructions and diagrams.

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