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Sugden A21SE Signature User Manual

Sugden A21SE Signature
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SUGDEN
A21SE Signature
MAY 2015
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Sugden A21SE Signature Specifications

General IconGeneral
TypeIntegrated Amplifier
Remote ControlNo
Power Output30 Watts into 8 Ohms
Inputs5 x Line Level
THD<0.1%
OutputsPre-Out

Summary

Unpacking and Installation

Unpacking Contents

Includes AC power lead with IEC connector and owner registration card.

Installation Guidelines

Ensure adequate ventilation (10cm clearance) and avoid heat sources/tape recorders.

Connecting Your Amplifier

Mains Connection

Connect to mains via supplied AC cable, matching country voltage rating.

Power Supply Recommendations

Avoid specialist mains blocks or power supplies to maintain sound quality.

Signal Connections

Use good quality cables. L.T.V.S socket supports Stage One phono amplifier.

Loudspeaker Connections

Use gold-plated binding posts for 4-16 Ohms speakers; follow bi-wiring instructions.

Amplifier Features and Operation

Input Signal Connections

Connect via RCA phono sockets, marked L/R, for line-level components like CD players.

Output Signals

Provides Tape Output (fixed) and Pre-amp Output (variable) for recording or external amps.

Volume Control

Motorized control adjusts listening level; zero volume at anti-clockwise position.

Input Selector

Rotary switch to select one of five inputs; operate with minimal effort.

Safety and Maintenance

Fuse Replacement

Fuse replacement by technician; determine fault first, never bypass or change spec.

Internal and Mains Fuses

HT fuses protect power boards; mains fuse is externally accessible at the rear.

Component Identification

Back Panel Layout

Identifies Inputs, Line Output, Loudspeakers, and Mains Input & Fuse sockets.

Front Panel Controls

Shows Power, Power Light, Volume Control, Remote Eye, and Input Selector.

Technical Specifications

Power and Frequency

Max Power Consumption: 300 Watts. Power Output: 40W Class A (4 Ohms), 30W Class A (8 Ohms).

Frequency Response and Bandwidth

Frequency Response: 12Hz to 141kHz. Bandwidth (wide): 6Hz-280kHz.

Signal-to-Noise Ratio and Input

Signal to Noise Ratio: >90dB. Input Sensitivity: 110mV. Input Impedance: 50K.

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