Octave JUBILEE Mono Скачать руководство пользователя

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9. TECHNICAL DATA, DIAGRAMS

Distortion in % at 10W into 4 ohms between 30 Hz and 20 kHz

at a variety of bias settings

Curve 1:

Bias adjusted correctly; bias high with selected tubes

Curve 2:

Distortion curve with unselected tubes

Curve 3:

Distortion curve bias low

Frequency response

Between 10 Hz and 90 kHz the frequency response tolerance is within 0.3dB



0.01

0.02

0.05

0.1

0.2

0.5

20k

100

200

500

10k

min

= 0,025%

-6

-5

-4

-3

-2

-1

80k

100

200

500

10k

20k

50k

Содержание JUBILEE Mono

Страница 1: ...JUBILEE MONO SE Owner s Manual English ...

Страница 2: ......

Страница 3: ...g of amplifiers As a result achieving improved amplifier sound quality requires greater levels of technical innovation than ever before OCTAVE specializes in the ongoing devel opment of upgradeable circuit designs and has earned a reputation over recent years as a world leader in the field of high end tube amplifier design Thanks to our years of expe rience and our in depth understanding of am pli...

Страница 4: ...2 ...

Страница 5: ...ons 16 5 1 Bias measurement facility 16 5 1 1 How the bias works 17 5 1 2 How to set the bias 17 5 2 The electronic protection system 18 5 3 Soft Start inrush current limitation 18 5 4 Power Pre Selector 18 5 5 Muting function 19 5 6 Ecomode 19 5 7 Remote operating 19 6 Tubes 20 6 1 Tube layout 20 6 2 General procedure for changing tubes 21 6 3 Tube service life 21 6 4 Removing the protective cove...

Страница 6: ...r Together these measures deliver a supremely consistent sound quality and a dependability that is recognized as world class Manufacturing Every OCTAVE amplifier is 100 percent made in Germany Our products are built individually by hand and thoroughly tested before they leave the factory We design and make our own custom transformers We maintain extremely high quality standards through close coope...

Страница 7: ...response and efficiency level of the speakers PENTODE DESIGN With the JUBILEE MONO SE power amplifiers Andreas Hofmann has gone one step further While they have the same power management and optimized input stage as other OCTAVE power amps they benefit from an innovative and enhanced output stage configuration What is revolutionary about this new generation of amplifiers is that we have employed t...

Страница 8: ...your equipment directly to OCTAVE or to one of our authorized service centers Explanation of the warning symbols The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltages within the product s enclosure that may be sufficient to constitute a risk of electric shock to persons The exclamation point within a...

Страница 9: ... install your equipment in a cupboard or a shelf unit ensure that there is at least a twenty centimeter gap between the ventilation slots and the walls all around the amplifier The rear panel of cupboards should have ventilation holes to prevent heat buildup Do not place the equipment on a soft surface such as carpet or foam sheeting 2 3 Before powering up 1 In your own interest please observe the...

Страница 10: ...moving the cover 3 Octave cleaning Cloth and Soft Gloves 4 Owner s manual with declaration of quality 3 2 Removing the grille 1 Please don t connect the amp to the mains before the tubes are installed because of your own safety 2 Undo the eight socket head screws on the top cover panels 4 screws on each cover tool Allen key 3 Undo the 2 x 2 socket head screws on the rear panel tool Allen key 4 Rel...

Страница 11: ...he tubes from JUBI LEE MONO SE 1 to JUBILEE MONO SE 2 Insert the power tubes into their sockets Ensure that you correctly locate the anti rotation lug on each of the tubes Anti rotation recess in the tube socket V1 V1 V2 V2 V3 V3 V4 V4 V8 V8 V7 V7 V6 V6 V5 V5 Spare tube Jubilee Mono 1 Spare tube Jubilee Mono 1 Spare tube Jubilee Mono 2 Spare tube Jubilee Mono 2 Tools Jubilee Mono SE 1 Jubilee Mono...

Страница 12: ...f the muting switch Pressing the muting button makes LED B slightly brighter It is not possible to play music during the start phase The Power Pre Selector switch should set to low the green LED C illuminates this function 5 After about two minutes you will hear the sound of a second relay cutting in This indicates that the output tubes are being heated up and they will begin to glow 6 LED A and B...

Страница 13: ...nected the current to the power tubes is also reduced to nearly 0 Checking the bias of the tubes while the muting function is ON the reading of the display shows the value less than 100 of all tubes The meter reading will gradually increase when you switch the muting function off This soft start up prevents pops and regulation noises being sent to your speakers When the muting function is active t...

Страница 14: ...12 4 OPERATING COMPONENTS 4 1 JUBILEE MONO SE rear panel ...

Страница 15: ...nnected together to allow bi wiring of your system Input section The amplifier is equipped with an RCA and an XLR input You can select the appropriate input using the input toggle switch You can connect both inputs at the same time and switch between them XLR pin connections 1 ground 2 3 Ecomode Switch Ecomode off Ecomode automatic is off Ecomode on Ecomode automatic is on see chap 5 6 Muting LED ...

Страница 16: ...14 4 OPERATING COMPONENTS 4 2 JUBILEE MONO SE top control panel ...

Страница 17: ...ting is useful when the power amplifier is to be used at low volume or as a specific reference setting during the activation phase for checking the correct operation of the unit and for checking the tube parameters see chap 5 4 Overall power consumption is also reduced in this setting which produces less heat The green LED C on the display indicates the low bias setting the blue LED D indicates th...

Страница 18: ...16 5 ADVANCED FUNCTIONS 5 1 Bias measurement facility ...

Страница 19: ... in the display 2 Turn the bias measurement selector switch to position V 1 The meter in the display should read 950 1050 In case of misadjustment you have to adjust the value The corresponding bias regulators for the output tubes are located on the rear panel Turn regulator 1 clockwise in case the reading of tube 1 is less than 1000 and counterclockwise in case the reading is higher than 1000 Che...

Страница 20: ... on If possible identify and eliminate the cause of the problem see chapter 7 Troubleshooting If it is not clear what has caused the protec tion system to trip we recommend that you check the bias before attempting to use the amplifier again Tube faults can result in widely drifting bias settings When these settings exceed a particular value they can cause the protection system to trip 5 3 Soft St...

Страница 21: ...ing the unit powered on The Ecomode is a safety and energy saving feature that is unique in our amplifier range Eco off The Ecomode electronic is off The JUBILEE MONO SE is permanent in operation Eco on The Ecomode electronic is activated After a period of 10 min without receiving a signal from the preamp the Ecomode electronic is turning the JUBILEE MONO SE down This is indicated through the LEDs...

Страница 22: ...ld be se lected but due to the separate bias regulators the selection grade is not critical Driver tubes V9 V11 ECC82 12 AU 7 V 9 Output stage driver V10 Main amplifier tube V11 Input tube The board is located on the rear panel inside the amplifier see chap 6 4 2 V 9 V10 V11 ...

Страница 23: ...epending on the type age and manufacturer of the tubes you may need to readjust the settings in the first few weeks 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 3 to 5 years We cannot however guarantee the service life of the tubes These are average values which will vary with th...

Страница 24: ...hat can cause a fatal electric shock if touched 1 Switch off the amplifier and disconnect the power cord Wait 20 minutes until the amplifier and the tubes have cooled down 2 Remove the right side panel viewed from the front 3 To prevent the side panel from slipping and damaging the screws support the panel at both front and rear using two paperback books 4 Use the torx screwdriver supplied to remo...

Страница 25: ...l three pins are connected at both ends Switching interference Older fridges and 12 V halogen lamps can cause cracking through the loudspeakers when they switch on and off Solution the only solution is to run your system from a single distribution board if possible one that incorporates a mains filter Under certain circumstances fitting an inexpensive industrial filter in the power line of your re...

Страница 26: ...quality type of construction and the materials used inside the tube the bias setting may be quite different after a number of years from that of a brand new tube To monitor this effect we have included a Control measurement setting in the bias measurement system The meter shows the setting required to achieve the correct idle current With bias high and new tubes the value is around 400 for enginee...

Страница 27: ...RMS and 450W peak power into 4 ohms Frequency response 10Hz 80kHz 0 5 dB Total harmonic distortion 0 1 at 10W into 4 ohms Signal to noise ratio 103 dB Minimum load impedance 2 ohms Gain input sensitivity 28dB 1 5V General Power consumption 420W minimum 800W at full power Weight 64 kg per monobloc Dimensions Overall dimensions in mm ...

Страница 28: ...h with selected tubes Curve 2 Distortion curve with unselected tubes Curve 3 Distortion curve bias low Frequency response Between 10 Hz and 90 kHz the frequency response tolerance is within 0 3dB 0 01 4 0 02 0 05 0 1 0 2 0 5 1 2 30 20k 50 100 200 500 1k 2k 5k 10k Hz 1 2 3 Kmin 0 025 6 2 5 4 3 2 1 0 1 d B r A 10 80k 20 50 100 200 500 1k 2k 5k 10k 20k 50k Hz ...

Страница 29: ...100Hz is present THD between 30Hz and 20 kHz The total harmonic distortion curve is very linear increasing only slightly at the lowest frequencies This performance is only possible using a highly specialist output transformer 180 20 160 140 120 100 80 60 40 20 0 d B 30 20k 50 100 200 500 1k 2k 5k 10k Hz 0 0001 100 0 001 0 01 0 1 1 10 50 30 20k 50 100 200 500 1k 2k 5k 10k Hz ...

Страница 30: ...harm the amplifier See chap 7 2 4 Is there a loss of sound quality as tubes age No Tubes normally sound the same throughout their service life Our soft start technology contributes greatly to extending the service life of tubes You can see when an output tube has reached the end of its useful life it becomes impossible to adjust its bias correct Driver tubes cannot be checked but these will genera...

Страница 31: ...w 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 ...

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