Audio Hungary Qualiton A50i Manual de usuario

CONTENTS

IMPORTANT SAFETY INSTRUCTIONS.................................................................................................................................................... 2

MARKINGS....................................................................................................................................................................................................... 5

PREFACE........................................................................................................................................................................................................... 6

CONTENTS OF PACKAGE............................................................................................................................................................................ 7

TECHNICAL SPECIFICATION...................................................................................................................................................................... 8

FRONT PANEL................................................................................................................................................................................................. 9

REAR PANEL..................................................................................................................................................................................................10

REMOTE CONTROL.....................................................................................................................................................................................11

INSERTING / REPLACING BATTERY......................................................................................................................................................11

BEFORE FIRST USE .....................................................................................................................................................................................12

VACUUM TUBES LAYOUT..........................................................................................................................................................................14

PLACEMENT..................................................................................................................................................................................................15

INSTALLATION / CONNECTIONS............................................................................................................................................................17

CONNECTION DIAGRAM...........................................................................................................................................................................18

OPERATION - SAFETY RECOMMENDATIONS ....................................................................................................................................19

STATUS INDICATION...................................................................................................................................................................................21

REMOTE CONTROL STATUS INDICATION...........................................................................................................................................21

INSTALLING A NEW REMOTE CONTROL.............................................................................................................................................22

TROUBLESHOOTING ..................................................................................................................................................................................23

REPLACEMENT OF FUSE .........................................................................................................................................................................26

WASTE MANAGEMENT.............................................................................................................................................................................27

WARRANTY....................................................................................................................................................................................................28

- 2 -

IMPORTANT SAFETY INSTRUCTIONS

PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT!

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in

accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as

radiators, heat registers, stoves, or other apparatus

(including ampliers) that produce heat.

9. Do not defeat the safety purpose of the polarized

or grounding-type plug. A polarized plug has two

blades with one wider than the other. A grounding

type plug has two blades and a third grounding

prong. The wide blade or the third prong are

provided for your safety. If the provided plug does

not t into your outlet, consult an electrician for

replacment of the obsolete outlet.

10. Protect the power cord from being walked on or

pinched particularly at plugs, convenience

receptacles, and the point where they exit from the

apparatus.

- 3 -

IMPORTANT SAFETY INSTRUCTIONS

PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT!

11. Only use attachments/accessories specied by

the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or

table specied by the manufacturer, or sold with the

apparatus. When a cart is used, use caution when

moving the cart/apparatus combination to avoid

injury from tip-over.

13. Unplug this apparatus during lightning storms

or when unused for long periods of time.

14. Refer all servicing to qualied service personnel

Servicing is required when the apparatus has been

damaged in any way, such as power supply cord or

plug is damaged, liquid has been spilled or objects

have fallen into the apparatus, the apparatus has

been exposed to rain or moisture, does not operate

normally, or has been dropped.

15. Do not expose this equipment to dripping or

splashing and ensure that no objects lled with

liquids, such as vases, are placed on the

equipment.

16. To completely disconnect this equipment from

the AC mains, disconnect the power supply cord

plug from the AC receptacle.

- 4 -

17. The mains plug of the power supply cord shall

remain readily operable.

18. Do not expose batteries to excessive heat such

as sunshine, re or the like!

19. Connect mains power supply cord only to a

mains socket outlet with a protective earthing

connection.

20. WARNING! To reduce risk of re or electrical

shock, do not expose this equipment to rain or

moisture!

21. CAUTION! To reduce the risk of electric shock,

do not remove cover!

22. No user-serviceable parts inside. Refer servicing

to qualied service personnel.

IMPORTANT SAFETY INSTRUCTIONS

PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT!

- 5 -

The exclamation point within an equilateral

triangle is intended to alert the user to the

presence of important operating and maintenance

instructions in the literature accompanying the

appliance.

CAUTION: Hot Surface! Do Not Touch!

Protective cover of the product may become

hot when operating this product continuously.

The crossed-out wheeled bin is the Europe

an Union symbol for indicating separate

collection for electrical and electronic equipment.

This product contains electrical and electronic

equipment which should be reused, recycled or

recovered and should not be disposed of with

unsorted regular waste. Please return the unit or

contact the authorised dealer from whom you

purchased this product for more information.

The product meets the relevant directives

and standards of the European Union.

Supplied with alternating current (AC).

115 V / 230 V Nominal supply voltage.

50 Hz / 60 Hz Nominal supply frequency.

MARKINGS

- 6 -

Before installing the stereo power amplier qualiton

A50i, please study this user manual carefully!

Operating your power amplier in a manner it is de‐

signed for ensures you an utmost musical experi‐

ence and a reliable operation.

If you have any questions on our products or ser‐

vices, please do not hesitate to contact us on our

website www.audiohungary.com

PREFACE

- 7 -

- 1pc qualiton a50i stereo amplier

- 1pc user manual

- 1pc standard mains cable

- 1pc remote control

- 1pc torx wrench (TX10)

CONTENTS OF PACKAGE

- 8 -

TECHNICAL SPECIFICATION

NOMINAL OUTPUT POWER

2 X 50W Stereo (measured by 1 kHz sine wave; THD < 0,75%)

TOTAL HARMONIC DISTORTION

< 0.75% (f = 1 kHz - measured at maximal output power)

FREQUENCY RESPONSE

30 Hz - 70 kHz (-3 dB, measured at maximal output power)

INPUT SENSITIVITY

425 mV asymmetric input

GAIN

+33.5 dB (8 Ω); +25.5 dB (4 Ω)

INPUT IMPEDANCE

10 kΩ

NOMINAL LOAD IMPEDANCE

4 Ω and 8 Ω

OUTPUT POLARITY

non inverting

SIGNAL - TO - NOISE RATIO

> 95 dB

POWER CONSUMPTION

300 W

VACUUM TUBE SET

4 x KT120; 4 x E88CC; 2 x ECC83

WEIGHT

25 kg

- 9 -

FRONTPANEL

1 2 4 5

Main switch

Input selector rotary

switch

Volume control

Status indicator LED

LEDs indicating active input

- 10 -

REAR PANEL

1 9 10 112 3 4 12 13

8765

AUDIO-HUNGARY Ltd.

NYÍREGYHÁZA

HUNGARY

A50i

Line input (symmetric)

(1pc mini XLR) - Left side (L)

Line input (asymmetric)

(3pc RCA) - Left side (L)

Output - Right side (8 Ω)

Line output (asymmetric)

Output - Right side (4 Ω)

Output - Right side (0 Ω)

Output - Left side (0 Ω)

Output - Left side (8 Ω)

Output - Left side (4 Ω)

Built-in fuse box in the AC socket

AC socket

Line input (symmetric)

(1pc mini XLR) - Right side (R)

Line input (asymmetric)

(3pc RCA) - Right side (R)

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