Superscope A-245 - User Manual

——
SUPERSCOPE..
SOLID STATE
STEREO AMPLIFIER
Model A-245 (E)
SERVICE DATA
SUPERSCOPE INC.
8150 VINELAND AVENUE.
SUN VALLEY, CALIFORNIA -91352-U.S.A.
- A-245 (E)
TABLE OF CONTENTS
Technical Specifications
Alignment Procedure
Circuit Board Diagram
Schematic Diagram
Exploded Diagram of The Mechanism
Parts List
Voltage Conversion
TECHNICAL SPECIFICATIONS
<AMPLIFIER SECTION>
Instantaneous Peak Music Power...... 50W at 8 ohms
E.1.A. Music Power............... 35W at 8 ohms
Total Music Power (I.H.F).......... 30W at 8 ohms
Continuous Power (R.M.S).... . 10W + 10W at 8 ohms
Harmonic Distortion at 1KHz.. . Less than 0.5% to 10W
Power Bandwidth......... 30—30,000Hz at 8 ohms
at 1% THD (—1 dB)
Frequency Response........ 20—40,000 Hz (—3 dB)
Signal to Noise Ratio ...... AUX..70 dB, MAG. 60 dB
Damping Factor.............. .... 30 at 8 ohms
Bass Control ..............04.- +10 dB at 100 Hz
Treble Control.............. +10 dB at 10,000 Hz
Loudness Control.......... +8 dB at 100 Hz, +4 dB
at 10,000 Hz
Input Sensitivity. . . MAG. 2.5mV to 10W OUTPUT, CER
150mV to 10W OUTPUT, TUNER 100mV
to 10W OUTPUT, AUX. 100mV to 10W OUTPUT,
TAPE 200mV to 10W OUTPUT
<AUXILIARY CIRCUIT>
Tape Monitor Switch, Loudness Control Switch, Boost-
Cut Separate Bass and Treble Controls, Speaker System
Selector, Stereo Headphones Jack, Switched Auxiliary
AC Outlet.
<Solid State Devices>
EEANSIStONIS 22a se ee Ae Ge ee ee ee 18
Diodes....... eh cer eater ah taicth Stee ande eae dees aha rgedate 10
<Power Requirements>
AC 110, 120, 220, 240V 50/60 Hz
Power Consumption............. 60 W maximum
Power Voltage. ...
<Dimensions>
(te Lo ae em nea 14-11/32”
DEDtA! :asccs ich ben Sh Care DE eae, oS 7-1/8"
PUCVOIN ins 2b wise ite BS t hoe ar e 4-9/16"
WelOnts.2 6 2h disutecd deo Stee a Se ae eee 8 Ibs
* These specifications and exterior designs may be changed for improvement without notice.

Summary

Superscope A-245 E Technical Specifications

Amplifier Section Specifications

Details power output, distortion, frequency response, and input sensitivity.

Auxiliary Circuit Features

Lists features like tape monitor, loudness control, and selector.

Solid State Device Count

Specifies the number of transistors and diodes used in the amplifier.

Power Requirements and Consumption

Outlines voltage compatibility and power usage.

Physical Dimensions and Weight

Provides the product's size and weight specifications.

Alignment Procedure

Setting Up for Alignment

Initial setup steps for volume, controls, and connections.

Circuit Board Diagrams

Tone Control Block Diagram

Top view diagram of the tone control circuit board.

Audio Amplifier Block Diagram

Top view diagram of the audio amplifier circuit board.

Schematic Diagram

Full Schematic Overview

Detailed electrical schematic showing component interconnections.

Exploded Diagram of Mechanism

Mechanical Assembly Breakdown

Visual representation of the unit's internal mechanical parts.

Parts List - Mechanical and Electrical

Mechanical Component Identification

List of mechanical parts with reference designators and part numbers.

Electrical Component Identification

List of electrical components with reference designators and part numbers.

Parts List - Capacitors

Capacitor Specifications

Details capacitor part numbers, types, values, and tolerances.

Parts List - Semiconductors

Semiconductor Identification

List of transistors and diodes with part numbers and types.

Parts List - Miscellaneous Components

Miscellaneous Parts Listing

Includes varistors, diodes, plugs, and circuit boards.

Parts List - Resistors

Resistor Values and Types

Lists resistors by reference designator, part number, and value.

Voltage Conversion Instructions

Universal Transformer Setup

Guide to changing voltage settings for worldwide operation.

Superscope A-245 Specifications

General

Brand	Superscope
Model	A-245
Category	Amplifier
Language	English