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Page 2: ...esigned to deliver a high standard of musical performance The innovation in engineering and manufacturing this product guarantees amusement for a long time thanks to the output transformer made by us...
Page 3: ...COMMENDATIONS PLACEMENT 8 SAFETY RECOMMENDATIONS OPERATION 9 FIRST INSTALLATION 11 CONNECTING 12 STATUS INDICATION 13 REMOTE CONTROL STATUS INDICATION 13 REMOTE CONTROL 14 REPLACEMENT OF BATTERY 14 VA...
Page 4: ...manual carefully Operating your power amplifier 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 vic...
Page 5: ...3 1pc qualiton a50i stereo amplifier 1pc user manual 1pc standard mains cable 1pc remote control 1pc torx wrench TX08 1pc A23 battery CONTENTS OF PACKAGE...
Page 6: ...QUENCY RESPONSE 30 Hz 70 kHz 3 dB measured at maximal output power INPUT SENSITIVITY 425 mV asymmetric input GAIN 33 5 dB 8 25 5 dB 4 INPUT IMPEDANCE 10 k NOMINAL LOAD IMPEDANCE 4 and 8 OUTPUT POLARIT...
Page 7: ...5 3 1 2 4 5 FRONT PANEL CONTROLS 1 2 3 4 Main switch Input selector rotary switch Volume control Status indicator LED 5 LEDs indicating active input...
Page 8: ...tric 3pc RCA Left side L Output Right side 8 Line output asymmetric Output Right side 4 Output Right side 0 Output Left side 0 Output Left side 8 Output Left side 4 Built in fuse box in the AC socket...
Page 9: ...d at the rear panel Never operate the amplifier through an ungrounded outlet The amplifier can be connected to an audio system through RCA or mini XLR ports placed at the rear panel According to the n...
Page 10: ...at its place of operation at least for 2 hours The appliance is designed for indoor use Do not operate it in wet humid surroundings Do not store any electrical device or object in a pe rimeter of 200...
Page 11: ...ed or removed In case of an emergency unplug your amplifier immediately In case of a faulty operation contact our service Improper repair may lead to a loss of warranty The appliance may only be used...
Page 12: ...fire or electric shock The protection rating of this appliance is IP20 This means the appliance is protected from solid objects larger than 12 millimetres However it is not protected from moisture Op...
Page 13: ...nce or its mains cable with wet hands Clean the appliance with a dry cloth while it is unplugged Never operate the amplifier without a sufficient load Do not power up the amplifier until correct loads...
Page 14: ...ONAL SZIMMETRIKUS BEMENETI ESZK Z MAGNETOFON OPTIONAL TURNTABLE OPTIONAL MM PICKUP RECORD PLAYER OPTIONAL REC TURNTABLE OPTIONAL MC PICKUP SV 40 SPEAKER OPTIONAL qualiton A50i POWER SUPPLY OPTIONAL qu...
Page 15: ...ent value set by the manufacturer Continuous red light Appliance is muted Vibrating white light Radio communication receiving signals coming from remote control Vibrating red light Radio communication...
Page 16: ...Insert one A23 battery as shown in the diagram 3 Put back the cover and fasten it tighte ning the screws volume mute 2 3 4 1 Should your remote cont rol not operate remove its back with the torx wrenc...
Page 17: ...15 KT120 E88CC E88CC ECC83 E88CC E88CC ECC83 KT120 KT120 KT120 T X 08 1 a b c d a b c d 2 3 REPLACEMENT OF BATTERY VACUUM TUBES...
Page 18: ...your amplifier and do not operate it at least 2 hours before replacing tubes 1 Unscrew the screws a b c d with a torx 10 wrench 2 Remove the protective cover in the indicated direction 3 Remove the v...
Page 19: ...A50i 17 REPLACEMENT OF VACUUM TUBES 4 After putting back the pro tective cover fasten it with the screws a b c d In the case of tube replacement before you insert non OEM tubes please contact our com...
Page 20: ...auge illuminates red If it does not check the power supply of your flat 1 e Should the fault persist after going through points 1 a 1 b 1 c and 1 d check the fuse of the amplifier for intactness accor...
Page 21: ...is turned up 3 e Be sure that the speaker cables are correctly connected to the correct ports 3 f Check whether the speaker cables are correctly connected to the speaker ports 3 g If the preceding poi...
Page 22: ...y Malfunction 6 The top of the amplifier is hot 6 a Due to the inner circuitry of the amplifier this is a normal phenomenon For further information check section INSTALLATION MARKINGS TROUBLESHOOTING...
Page 23: ...e com ponents and materials Waste separation makes their recycling possible A faulty appliance or an appliance meant to be dis carded has to be sent or brought to an adequate waste collection place or...
Page 24: ...ase refer to this number while contacting our company __________________________________________________________ Set of tubes used _______________________________________ _____________________________...
Page 25: ...roperties The safety instructions of the accompanying documentation shall be observed This declaration of conformity is issued under the sole responsibility of the manufacturer Issuer Audio Hungary Lt...
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