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V 110

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Summary of Contents for V110

Page 1: ...V 110 ...

Page 2: ...nsights into the interaction of amplifier and loudspeaker With tube amplifiers in particular a general reluctance to depart from the classic circuit designs has not done the technology any favors Although today s loudspeakers and source equipment provide better performance than ever before they also present greater demands on amplifiers Modern sound reproduction equipment delivers a level of perfo...

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Page 4: ...tion options 18 6 1 Power Selector 18 6 2 Protection 19 6 3 Soft Start 19 6 4 Ecomode 20 6 5 Front Channel 21 6 6 Pre Out regulated 21 6 6 1 Using with an active subwoofer 21 6 6 2 Using in bi amped systems 21 7 Tubes 22 7 1 Removing the grille see 3 2 22 7 2 Tube layout 22 7 3 BIAS Measurement System 23 7 4 Replacing the tubes 25 7 5 Running in the tubes 25 7 6 Tube Service Life 25 8 Remote Contr...

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Page 6: ...ly capacitance to stabilize current delivery and reduce impedance interaction of the load thus improving dynamic range separation depth soundstage size and articulation This enables optimizing the V 110 in respect to the speaker which is a tremendous benefit if the speaker is difficult to drive Input Section The input section of the V 110 features five line level single ended Inputs with an option...

Page 7: ...ngineer to replace blown 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 authorized service centers Modifications to OCTAVE equipment Use audio grade fuses and other power cables at your own risk The use of such devices will void the warranty This also applies to the use contact fluids on the tu...

Page 8: ...ble materials gases or vapors Avoid areas where there may be heavy accumulations of dust or where the unit may be subject to mechanical vibration Place your OCTAVE amplifier on a stable level surface 2 Grille Never operate the amplifier without the protective grille in place 3 Ventilation Make sure that your amplifier has an adequate flow of air around it If you intend to install your equipment in...

Page 9: ...cked separately Power cord Remote control with owner s manual 2 screwdrivers 1 x 2 mm flat bladed screwdriver for adjusting the BIAS 1 x 2 5 mm Allen key for removing the cover Owner s manual with warranty card 3 2 Removing the grille 1 For your own safety make sure that the amplifier is not connected to power outlet 2 Completely remove the 4 hexagonal screws using the Allan key supplied There are...

Page 10: ...ell as tube life considerably by protecting against stress caused by typical high inrush currents during switch on 1 Check that the Ecomode switch on the rear panel is in the Eco off position 2 Connect the V 110 to the mains On new units this switch is set to off at the factory Ecomode Eco off Eco on Amp off 3 Switch on the V 110 using the amplifier s mains power on off switch Some LEDs will illum...

Page 11: ...ng BIAS After an additional 5 to 10 minutes the BIAS control LEDs will change from yellow to green This indicates the correct bias and the unit is ready If you notice any irregularity in the display please refer to chapter 7 3 3 6 Connecting other components to the V 110 1 Be sure to switch off the V 110 again 2 Connect the other components in your system to the appropriate sockets on the rear of ...

Page 12: ...13 3 GETTING STARTED 3 7 Connection options overview ...

Page 13: ...level input for tuner etc Pos 3 Aux 1 RCA line level input for video etc Pos 4 Aux 2 RCA line level input for video etc Pos 5 CD 2 XLR line level input for CD SACD or similar Pos 6 The electronic BIAS measurement system is activated see chap 7 3 Pos 7 Front Ch Multichannel input In this mode the V 110 functions as a two channel power amplifier The volume control is bypassed See chap 6 4 The record...

Page 14: ...ched on Protection Red LED lights up when the electronic protection system has switched off the amplifier in response to an amplifier fault see chapter 6 1 Soft start Lights up during the soft start process immediately after switch on This LED extinguishes after about 1 minute when soft start has been completed see chapter 6 2 Front Ch Illuminates when multichannel bypass function is selected see ...

Page 15: ...option AUX 1 RCA line level input for Video etc Tape rec Record output for tape or DAT GND Ground connector for Turntable Front Channel Input for the front channel of a multichannel receiver DVD player see chapter 6 4 Pre Out Regulated preamp output for active subwoofer etc see chapter 6 5 CD 2 CD line level input XLR with Pin configuration for XLR connectors see next page 18 Power Selector Slidin...

Page 16: ...supply capacitance upgrade for the power amplifier section see chapter 10 You should switch off the V 110 using the power switch before connecting and disconnecting the Black Box AC supply socket IEC socket with integrated fuse holder The fuse is located in a pullout compartment underneath the socket You can open the fuse compartment after removing the mains plug Fuse For 230 240V 4A slow blow H 5...

Page 17: ...e maximum output power is limited to 2 x 70 W to avoid overloading these tubes The rather rare tubes of type KT 90 and KT 100 can be used also in the LOW position The EL 34 can be used in the LOW Position in cases of speakers with impedance higher than 4 ohms Tubes of Type 6L6 KT 66 5881 EL 519 and EL 156 are not suitable for the V 110 Before switching the Power Selector turn OFF the mains push bu...

Page 18: ... output tubes A fault in one of the preamp tubes which overloads the affected channel Once the protection system has cut in the only way you can turn the V 110 back on is to turn the on off switch off and then on again Allow the unit two minutes to cool down before switching it back on If possible identify and eliminate the cause of the problem see chapter 11 Troubleshooting If it is not clear wha...

Page 19: ...o off The Ecomode electronic is off the amplifier is on Eco on The Ecomode electronic is activated Ecomode is signal actuated after a 9 minute silence Ecomode switches in automatically The soft start LED 6 indicates that the Ecomode was turning down the unit As soon as the Ecomode circuit detects the presence of an input signal from the CD player for example it will automatically power the V 110 u...

Page 20: ...ve crossover in the subwoofer electronics will block unwanted DC and low frequency signals 6 6 2 Using the V 110 in bi amped systems Another option provided by the adjustable Pre Out is bi amping via the V 110 s internal preamplifier The V 110 would ideally handle the mid high portion of a bi amping setup using a second power amplifier fitted with its own volume control to take care of the bass In...

Page 21: ... and high in addition to the Power selector High and Low Output tubes can be divided into two broad classes classic pentode output tubes for medium power amplifiers and modern high performance pentodes for power amplifiers up to 110W output Low BIAS Power selector Low output tubes EL 34 KT 77 6 CA 7 High BIAS Power selector Low output tubes KT120 6550 KT 88 KT 90 KT 100 Low BIAS Power selector Hig...

Page 22: ... Using selected output tubes only makes sense if the idle current is adjusted accurately as is clearly shown in Fig 1 Technical Data How to set the BIAS Turn the Input selector knob 2 clockwise to the BIAS position to activate the measurement circuit pos 6 Signal input selection is disabled The 3 LEDs above each screw in the display panel show whether the BIAS setting is too low correct or too hig...

Page 23: ...100 6550 KT 90 See chapter 7 2 These tube types do not have to be operated at a high BIAS setting they will work perfectly well on the low setting However certain loudspeakers may benefit from the higher BIAS current as it will increase the damping factor and provide slightly better control of the movement of the speakers LED graphs BIAS yellow green red BIAS low BIAS high Brightness of the LEDs l...

Page 24: ...e 3 2 New untested output tubes should be allowed a longer warm up period You should adjust these tubes after about 20 minutes 7 5 Running in All OCTAVE equipment is subject to a 48 hour soak test at the factory to burn in the tubes The tubes are preselected for use in each particular model New tubes can take up to three months to run in and start sounding their best Daily use is beneficial in spe...

Page 25: ...ic filter suppresses undesirable low frequency signals in the sub audio range caused by warped disks and pickup tone arm resonances The inverting active equalization guarantees absolutely natural tonality of the phono preamplifier Traditional equalization topologies lacking effective subsonic filtering and carrying out the equalization within the negative feedback loop can never achieve better tha...

Page 26: ...ering the musical reproduction clearer throughout the entire frequency range The amplifier remains unaffected by mains variations and interferences due to the noise filtering characteristics of the capacitors 10 1 The Black Box option Black Box Indicator LED High current plug The LED illuminates continuously when the power amplifier is on The LED goes out when the protection circuitry trips This i...

Page 27: ...ted and if the V 110 is powered down through Ecomode on The Super Black Box is equipped with a rapid discharge circuit which discharges the unit s electrolytic capacitors The yellow LED indicates that that this procedure is taking place The discharge circuit also activates if the SBB connecting cable is accidentally removed This is to prevent the SBB maintaining its charge when it has not been pro...

Page 28: ...ou have two grounded components connected to the V 110 You must now unplug your components in reverse order to find out which of them is grounded Usually the hum will still appear even when the problem components are switched off The ground causing the problem is always connected since it is not broken when the power switch is operated Now that you know which components are grounded you can discus...

Page 29: ...ridges and 12V halogen lamps can produce strong radio interference when they turn on and off Depending on the wiring in your home this can result in clicks and pops in your loudspeakers To fix the problem Modern domestic mains systems with a separate protective earth PE will normally suppress this interference If you experience this type of switching interference you either have a poor protective ...

Page 30: ... BIAS screws to the extreme right and leave them there If you have not been able to adjust the BIAS satisfactorily turn the adjuster screw back to its extreme left position Driver tube heater fault When a driver tube heater fault occurs you will normally lose an entire channel depending on which driver tube system is affected by the faulty heater This can only be established by a visual examinatio...

Page 31: ...the protection system to trip Should this happen switch the V 110 off and replace the problem tube Faulty driver tube In very rare cases a problem with one of the driver tubes can cause the V 110 to switch off You can use the BIAS display to troubleshoot problems in the driver stage The procedure is the same as the one described earlier although the display will behave differently after the amplif...

Page 32: ...lector High 2 x 130 W Peak Power Selector Low 2 x 90 W Peak Into 8 Ohms Load the Output Power is reduced by 20 Frequency response 20 Hz 70 kHz 90 W 1 3 dB 5 Hz 70 kHz 10 W 0 2 dB THD 0 1 at 10W 4 ohms Signal to noise ratio 110 dB 90 W Output Noise less than 300µV Optimal load impedance 3 16 ohms Minimum load impedance 2 Ohms Gain 38 dB NFB 10 dB Tube set 4 x KT 120 Quiescent current output tubes 2...

Page 33: ...34 12 SPECIFICATIONS AND DIMENSIONS Diagrams THD at 4V into 4 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 ...

Page 34: ...y shows the low frequency extension of the V 110 linear to 10 Hz The loss at 20 Hz is less than 0 2 dB Graph 3 Noise spectrum Audio Precision A A FFT SPECTRUM ANALYSIS V 70 SE 5 V 4 Ohm 120 10 110 100 90 80 70 60 50 40 30 20 10 0 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Noise spectrum at 1 kHz 5 W into 4 ohm there is no mains interference to be seen 50 Hz 200 µV 100 Hz 70 µV The k2 k3 k4 and ...

Page 35: ...e checked but these will generally last for well over 10 years 4 Does the V 110 have to have all of its tubes fitted In principle the V 110 will also operate without tubes It is sometimes useful to do this when testing the operation of the switching functions such as the selector switch remote control etc Of course it is not possible to play music under these circumstances For test purposes or as ...

Page 36: ...e 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 EN2012 ...

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