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Octave V 50 MKII Owner's Manual

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OWNER'S MANUAL
V 50 MKII

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Summary of Contents for Octave V 50 MKII

  • Page 1 OWNER'S MANUAL V 50 MKII...
  • Page 2 We have specialized in tube amplification for the past 20 years, during which time we have developed a number of innovative technologies that have made us one of the leaders in the field. We hope you will enjoy many hours of wonderful music with your OCTAVE amplifier. Andreas Hofmann...

  • Page 4: Table Of Contents

    2.1. Before you begin................2.2. Placement ..................2.3. Warranty ..................Setting up..................Operation - The V 50 MKII front panel ......... The connections - V 50 MKII rear panel ........Tubes 6.1. Removing the cover ..............6.2. Tube layout ..................

  • Page 5: Description Of The V 50 Mkii

    KT88, 6550 A, 6 L 6, 5881 (6 CA 7). Construction of the V 50 The signal flow inside the OCTAVE V 50 is designed that noise or hum due to electromagnetic interference is ruled out and the signal path is as short as possible.

  • Page 6: Safety Instructions

    Fuses should also only be changed by a qualified technician. Always replace fuses with ones of the same type and rating. If your amplifier requires servicing, please ship or take your equipment directly to OCTAVE or to one of our au- thorized service centres.

  • Page 7: Placement

    2.2. Placement 1. Location OCTAVE equipment is designed strictly for use in a dry domestic environment. Do not use it in the open air or in damp environments! Never place plants or liquid filled containers on your OCTAVE equipment. Take care that objects do not fall or liquids are not spilled into the enclosure.

  • Page 8: Setting Up

    1. In your own interest, please observe the safety precautions and positioning advice contained in Chapter 2. 2. Before setting up your OCTAVE amplifier, switch off all the other equipment that you intend to connect to it. This will avoid problems that may arise when you plug this equipment in.

  • Page 9: Operation The V 50 Mkii Front Panel

    4. OPERATION The V 50 MKII front panel Main Power Switch LED ON The amplifier is ready to operate LED OFF This LED burns, if the electronic-overload-protection is activated. It turns off the power amplifier in case of overmodulation, short circuit of the loudspeaker outputs and tube damages.

  • Page 10: The Connections - V 50 Mkii Rear Panel

    5. CONNECTIONS V 50 MKII rear panel THE INTEGRATED TUBE AMP IN 1 IN 2 MODELL PHONO POWER RATING SERIEN-NR.: GROUND 230 V /50 Hz/550 VA made in Germany BLACK-BOX ANSCHLUSS A C H T U N G ! TUNER...

  • Page 11: Tubes

    6. TUBES 6.1. REMOVING THE COVER 1. For your own safety, switch the amplifier off and disconnect the mains power cord. 2. Release the 12 M4 socket head bolts of the cover. 3. Pull the cover upward. 6.2. TUBE LAYOUT phono board arranged over line board...

  • Page 12: Tube Service Life

    6. TUBES 6.3. Tube service life Thanks to the protection circuits and soft start electronics, the output tubes used in your amplifier should achieve an average service life of 5 years. The driver tubes can last for 10 years or more. Because the tubes have different service lives, you will never have to renew the entire tube complement at the same time.

  • Page 13: Phono Mm/Mc Option

    7. PHONO MM/MC OPTION 7.1. The role of the phono A record player is an electro-mechanical device. Music signals are "pressed" into the grooves in the record, and these are physically tracked and read by the pickup cartridge. In order to get the entire 20 Hz - 20 KHz frequency range into the grooves, the frequency response has to be shaped by lowering the level of the low frequency information and raising the level of the high frequency information.

  • Page 14: Option: External Black Box

    8. OPTION: EXTERNAL BLACK BOX What exactly is the Black Box? The Black Box is a power supply upgrade. Its circuit incorporates additional reservoir capacitors to improve power supply current delivery, counteract fluctuations in the supply voltage, and sup- press low frequency mains supply 'noise'. What does it do? The sophisticated circuitry of the Black Box will always produce an improvement in sound quality.
  • Page 15 8. OPTION: EXTERNAL BLACK BOX Specifications: Capacity: Low-inductance, low ESR, high power electrolytics with 100 A current capacity (impulse current) Dimensions: Width x height x depth = 170 x 97 x 257 mm Weight: 3.1 kg Connecting to the amplifier Warning!! Before connecting the Black Box, switch the unit off using the power switch and wait for 1 minute.

  • Page 16: Ir Remote Control

    9. IR REMOTE CONTROL For volume Front panel screws (Two M3 Philips countersunk screws) Keypad Battery compartment for two AA 1.5 V batteries Volume button + button: louder; - button: quieter Infrared transmitter Point the transmitter at the amplifier. The remote will operate up to a distance of about 8 metres.

  • Page 17: Troubleshooting

    10. TROUBLESHOOTING Hum and crackling Hum in an audio system is often caused by several system components being earthed indi- vidually. It is particularly common with tuners, VCRs or satellite receivers where the earthed aerial cables can cause a hum loop via the aerial input. Tube power amplifiers are normally earthed, and the V 50 is no exception.

  • Page 18: Technical Data

    11. TECHNICAL DATA Features 1. Electronic protection- and controlling-system: The V 50 is equipped with a current at make- limitation. This protects the tubes against peak loads that occur, when the V 50 is turned on. Heating and operating voltage are adjusted slowly to operating standards. The life of the tubes is thereby prolonged tremendously.

  • Page 19: Frequently Asked Questions

    Can you operate the V 50 MK2 when no loudspeakers are connected? Yes. The V 50 MK2, like all OCTAVE amplifiers, is fully protected against open circuit opera- tion, i.e. the amplifier will come to no harm if it is operated without loudspeakers connected.
  • Page 20 OCTAVE Audio Andreas Hofmann Industriestr. 13 D - 76307 Karlsbad Tel. 07248 / 32 78 Fax 07248 / 32 79 Email: hofmann@octave.de Internet: www.octave.de...

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