Octave V 80 SE Owner's Manual

Summary of V 80 SE

  • Page 1

    V 80 se owner's manual english.

  • Page 2

    3 introduction congratulations and thank you for choosing octave! V 80 se you are now the owner of one of the world's most innovative and reliable amplifiers. Look after it, and it will provide you many years of listening pleasure. You often hear people claim that tube amplifier design has not progr...

  • Page 3

    4 contents page introduction ......................................................................................................... 3 1. Description v 80 se ................................................................................. 6 2. Safety instructions 2.1. Before you begin ..............

  • Page 4

    5 contents page 7. Advanced functions and connection options 7.1. Linear mode ....................................................................................................... 24 7.2. "extern"-function: separating the pre- and power amplifier .............................. 24 7.2.1. Inserting ...

  • Page 5

    6 1. Description v 80 se the v 80 se is a totally new design. It has been developed for music lovers who do not have the space for large pre- and power amps. The v 80 se is guaranteed to provide the same sonic experience as separates. Nevertheless, as a standalone unit, it is equipped with every fea...

  • Page 6

    7 1. Description v 80 se power consumption + ecomode power consumption: the power supply is constructed using a high performance, magnetically shielded transformer employing the lowest loss material currently available. Internal stabilization is designed for maximum efficiency with the lowest possib...

  • Page 7

    8 2. Safety instructions 2.1. Before you begin 2.1.1. In case of emergency: disconnect the plug from the mains supply never use an amplifier that is damaged or faulty. Make sure it has been labeled as defective and that it cannot be used until it has been repaired by a qualified service engineer. Ma...

  • Page 8

    9 2. Safety instructions 2.1.5. Before connecting make sure that the voltage of your amplifier matches your local supply voltage. 2.1.6. Grounding this amplifier is a protection class 2 device (without an earth conductor), while the power supply is class 1. As a result, a three-pin power cable with ...

  • Page 9

    10 3. Getting started 3.1. Unpack and check the contents of the box. Scope of delivery v 80 se 4 power tubes with tube layout diagram power cord (3-core cable with 3-pin plug) remote control 2 screwdrivers: 1 x 3 mm flat-bladed screwdriver for adjusting the bias 1 x 2 mm allen key for removing the c...

  • Page 10

    11 3. Getting started 3.2. Removing the grille for your own safety, make sure that the amplifier is not connected to a wall outlet. Completely remove the four hexagonal screws using the allan key supplied. There are two screws on each side. Carefully pull the grille upward to remove..

  • Page 11

    12 3. Getting started 3.3. Installing the power tubes insert the power tubes into their sockets as shown on the tube layout. Ensure that you correctly locate the anti-rotation lug on each of the tubes. Anti-rotation recess on the tube socket.

  • Page 12

    13 3. Getting started 3.4. Switching on for the first time – the soft-start feature check that the headphone and ecomode switches are in the "off" position and plug your amplifier in. (on new units, both of these switches are set to "off" at the factory). Now switch the v 80 se on using the amplifie...

  • Page 13

    14 3. Getting started 3.5. Checking the power tubes – setting the bias you do not need to have the speakers or any other partnering equipment to be connected to set the bias. (for a more detailed explanation, see chapter 8.3) 1. Turn the mode selector knob to bias. Four leds will now illuminate in t...

  • Page 14

    15 3. Getting started 3.7. Connection possibilities: overview.

  • Page 15

    16 4. Operation 4.1. V 80 se front panel legend power switch 0 = off; 1 = on. Soft-start led illuminates during start-up period input selector this is used to select the desired input signal. A green led illuminates in the window to show which input you have selected. Phono line level or phono input...

  • Page 16

    17 4. Operation legend remote control receiver to ensure optimum operation of the ir remote control, do not cover this window. Status indicators protection red led lights up when the electronic protection system has switched the amplifier off in response to an amplifier fault. (see chapter 9) soft-s...

  • Page 17

    18 6. Connections 6.1. V 80 se rear panel legend headphone a: switch left: speaker playback b: switch centre: speaker and headphone playback c: switch right: headphone playback, tube power amplifier is switched off. (see chap. 7.4.) ecomode a: switch left: ecomode switched on b: switch off: ecomode ...

  • Page 18

    19 6. Connections legend loudspeaker outputs speaker connection terminals. Red = positive terminal, black = negative terminal the speaker negative terminal is connected to ground headphone 6.3 mm stereo jack socket for headphones with an impedance of between 30 and 2000 ohms (see chapter 7.5) power ...

  • Page 19

    20 6. Recommended settings 6.1. Phono (mm) or optional mc playback rear panel connections headphone [10] switch left = off; ecomode [11] switch right = off; turntable ground lead (if present) to gnd socket [17];rca cable from turntable to phono [17] (left channel: white, right channel: red) speaker ...

  • Page 20

    21 6. Recommended settings 6.2. Line playback such as cd 1, cd 2, aux, tuner rear panel connections headphone [10] switch left = off; ecomode[11]switch right = off. Connect xlr cable from cd player to xlr input [22]. (you might need to push the locking lever down to plug the xlr in. You will certain...

  • Page 21

    22 6. Recommended settings 6.3. Tape playback and record rear panel connections headphone [10] switch left = off, ecomode[11]switch right = off. Connect the tape recorder output (line out) to tape play [19]. Connect the tape recorder input (line in) to tape rec [16] (left channel: white, right chann...

  • Page 22

    23 6. Recommended settings 6.4. Front channel replay (multichannel) rear panel connections headphone [10] switch left = off, ecomode[11]switch right = off. Connect the analogue front r + l outputs on your multichannel receiver/dvd player to the front channel r + l [21] inputs on your amplifier. Spea...

  • Page 23

    24 7. Advanced functions 7.1. Linear mode in linear mode, the power amplifier section of the v 80 se is connected to the internal preamplifier and to the input selector switch. This is the v 80 se's normal operating mode – as an integrated amplifier. The mode selector [8] must be on linear. 7.2. "ex...

  • Page 24

    25 7. Advanced functions 7.2.1. Inserting an external equalizer external equalizers or signal processors are used to counteract the effects of the listening room or to adjust the loudspeakers to suit the listening room. Note: in the "extern" setting, the external processor is connected to the power ...

  • Page 25

    26 7. Advanced functions 7.3. Adjustable preamplifier output – pre-out 7.3.1. Using with a subwoofer the adjustable preamplifier output is most commonly used to drive an active stereo subwoofer. This must be equipped with its own volume control. The pre out is decoupled via a separate buffer to prev...

  • Page 26

    27 7. Advanced functions 7.4. Ecomode – soft-start and reduced power consumption mode the ecomode is a safety and energy-saving feature that automatically switches off the amplifier's tube circuitry during breaks of more than 10 minutes. Ecomode reduces the overall power consumption of the amplifier...

  • Page 27

    28 7. Advanced functions as well as saving electricity, ecomode has a number of other advantages. Longer tube life reduced heating of the whole unit increased passive safety if the unit is left on by mistake ecomode is not the same as standby, however, because certain sections of the amplifier remai...

  • Page 28

    29 7. Advanced functions the v 80 se incorporates a separate solid-state headphone amplifier. The headphone output is via a 6.3 mm stereo jack and is suitable for high impedance headphones between 30 and 2000 ohms. If you have headphones with an impedance between 4 and 30 ohms, you should either use...

  • Page 29

    30 7. Advanced functions 7.6. Power selector, alternative output tubes position „high“: kt150 / kt120 position „low“: kt88, 6550, kt90, kt100 (el34 with restrictions) the power selector allows adjusting the v 80 se in accordance to the output tubes. Position high is reserved for the standard kt150 t...

  • Page 30

    31 8. Tubes 8.1. Removing the grille see chapter 3.2. 8.2. Tube layout output tubes: v1 - v4: kt150 standard v1 + v2 left channel v3 + v4 right channel driver tubes: v5 +v7 ecc82 (12 au 7) = power amplifier driver tubes v 5 is for the right channel v 7 is for the left channel v6 ecc81 (12 at 7, 6072...

  • Page 31

    32 8. Tubes 8.3. Bias measurement system the bias measurement facility makes it easy for you to check and adjust the idle current of the output tubes. Getting the bias setting right for all four tubes is critical for both the sound of the power amplifier section and for the service life of the tubes...

  • Page 32

    33 8. Tubes there is an upper adjustment limit to the "high" bias setting, which is indicated by the green and red leds lighting up at the same time, and a lower limit to the "low setting, where the yellow and green leds light up. The lower limit should be used with "smaller" output tubes such as th...

  • Page 33

    34 8. Tubes 8.4. Replacing tubes driver tubes replacement driver tubes require no adjustment. Output tubes: general procedure: 1. Switch the amplifier off and allow it to cool down for 10 minutes. Remove the old tubes and fit the new ones. 2. Before you switch the amplifier back on, turn all bias ad...

  • Page 34

    35 9. Protection system the v 80 se features a comprehensive electronic monitoring and protection system. This system will automatically switch the v 80 se off if a fault occurs in the power section. The protection system has been designed to keep the unit safe from the consequences of overloads of ...

  • Page 35

    36 10. Remote control changing the batteries 1. Remove the bottom plate (three screws size phillips 1) 2. Change the batteries. Type: 2 x type aaa 1.5 v please take care not to push the buttons of the remote control while inserting the new batteries. If it still happens that the remote control does ...

  • Page 36

    37 12. Option black box and super black box description octave, with the black box technology, offers an instrument to optimizing the octave amplifier in respect to the speaker. This flexibility is a unique feature of the octave brand. The dynamic and tonal stability of an amplifier is strongly depe...

  • Page 37

    38 12. Option black box and super black box 12.2. Super black box option operation blue power led the blue "power" led illuminates when the power amplifier (or integrated amplifier) is switched on via the amplifier's power on/off switch. Yellow unload led the yellow "unload" led (discharge control c...

  • Page 38

    39 13. Troubleshooting 13.1. Faults caused by external issues 13.1.1. Buzzing and hum in the speakers possible cause: multiple grounds hum in an audio system is often caused by several system components having their own separate grounds. It is particularly common in systems containing tuners, vcrs o...

  • Page 39

    40 13. Troubleshooting possible cause: induction another possible cause of hum could be the stray field of a transformer generating interference in a device or cable. You can easily diagnose this problem by switching off the problem component. To fix the problem to reduce this kind of interference, ...

  • Page 40

    41 13. Troubleshooting 13.2. Faults caused by tubes, faulty tubes like other octave products, the v 80 se is equipped with a double safety system. This means that the amplifier will be protected from damage if a component (tube) should fail and trip the electronic protection. The protection system p...

  • Page 41

    42 13. Troubleshooting 13.2.2. Tube faults that trip the protection system the protection system continuously measures the current flow into the four power tubes. Depending on the problem, this current may exceed a specified limit and cause the protection system to switch the power stage off. The re...

  • Page 42

    43 14. Technical data 14.1. In- and outputs in- and outputs inputs 7 x rca (including the home theatre bypass input) one rca input can be fitted with the optional either mm or mc phono input board 1 x xlr outputs 1 x regulated preamplifier output (rca), 1 x tape record (rca) 1 x headphone output 1 x...

  • Page 43

    44 14. Technical data option phono input impedance mc 500 ohms, mm 47 k ohms signal-to-noise ratio mc 75 db, mm 90 db input sensitivity mc 0.5 mv, mm 4 mv subsonic filter -12 db/oct., 20 hz roll off frequency option black box dimensions 185 x 98 x 300 mm (w x h x d) weight 2.5 kg connection cable: l...

  • Page 44

    45 14. Technical data 14.3. Diagrams thd at 4 v into 6 ohms from 30 hz to 20 khz at a variety of bias settings diagramm 1 curve 1: bias adjusted correctly curve 2: bias 10% out curve 3: bias 30% out graph 2: frequency response, 4 v into 4 ohms t h e f r e q u e n c y r the frequency response curve c...

  • Page 45

    46 14. Technical data graph 3: distortion spectrum noise spectrum at 1 khz / 5 w into 4 ohms – there is no mains-generated interference to be seen. (50, 100 hz) the k2, k3, k4 and k5 noise spectrum is extremely low and falls quickly. -180 -40 -160 -140 -120 -100 -80 -60 d b 20 20k 50 100 200 500 1k ...

  • Page 46

    47 15. Frequently asked questions (faq) 1. Can you operate the v 80 se when no loudspeakers are connected? Yes. The v 80 se, like all octave amplifiers, is fully protected against open circuit operation, i.E. The amplifier will come to no harm if it is operated without loudspeakers connected. 2. How...

  • Page 47

    48.

  • Page 48

    Octave audio germany www.Octave.De we reserve the right to alter and improve the specifications in pursuit of better. Octave logo is a registered trade mark of andreas hofmann. Copyright by andreas hofmann. Reproduction in whole or part is prohibited. Edited.