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JUBILEE Pre

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Содержание JUBILEE Pre

Страница 1: ...JUBILEE Pre ...

Страница 2: ...iers As a result achiev ing improved amplifier sound quality re quires 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 experience and our in depth understanding of amplifier techno...

Страница 3: ...on 3 1 Jubilee preamplifier front panel 8 3 2 Jubilee preamplifier top view 9 4 Connections 4 1 Rear panel Jubilee preamplifier 10 4 2 Rear panel Jubilee power supply 12 5 Installation 13 6 Tubes 6 1 Tube layout 14 6 2 General information 15 6 3 Replacing tubes 15 7 Service notes 7 1 Troubleshooting 16 7 2 Service address 17 8 Specification 8 1 Dimensions 18 8 2 Response Curves 20 8 3 Technical sp...

Страница 4: ... Together these measures deliver a su premely 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 5: ...ng the risk of interference and hum that is particularly critical when dealing with complex multi amp rigs con nected via balanced inputs The low impedance output is yet another feature designed to enhance the sound quality and versatility of the Jubilee pream plifier Only a semiconductor based output stage is able to cope with long cable runs and integrate perfectly with low impedance power ampli...

Страница 6: ...ctric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to im portant operating and maintenance instruc tions The CE mark certifies that this electrical equipment complies with current European Union product safety regulations such as the Low Voltage Directive and the Electro magnetic Compatibility Directive Before connecting up The Jubilee preampl...

Страница 7: ...eneficial 3 Good ventilation Make sure that your amplifier has a good flow of air around it If you intend to install your equipment in a cupboard or a shelf ensure that there is at least a two centimetre gap between the ventilation slots and the bottom of the shelf and a 20 centimetre gap between each of the walls The rear panel of cupboards should have ventilation holes to prevent heat build up T...

Страница 8: ... the input selector knob 3 When the Mode Selector is set to Source you can record the source you are listening to via the two tape outs Tape 1 Tape 2 To do this Tape Copy 6 must be switched off see Section 3 2 Muting You should mute the preamplifier outputs by Connecting turning the knob to the Muting position LED illuminates before connecting or disconnecting source equipment The muting switch al...

Страница 9: ...se switches should not be operated at the same time or immediately after each other as this could cause cracking noises through your system 5 PHASE SWITCH Phase switching of the output signal 0 and 180 degrees applies to both the balanced XLR and the RCA CINCH phono outputs LED on 180 degrees phase shift LED off 0 degrees phase shift 6 COPY tape copy function tape to tape LED on Tape Copy on LED o...

Страница 10: ... parallel Please note that only one line level phono input either XLR or RCA CINCH can be used at a time The PHONO inputs are not suitable for use with a turntable without an external phono preamplifier GND GROUND Additional ground connection for external units like phono preamp and so on 11 GROUND LIFT XLR INPUTS Ground lift switch for XLR inputs Switch position CONNECT TO GROUND Connects the XLR...

Страница 11: ... CD input unbalanced RCA CINCH Additional input for CD player 16 Tape inputs outputs Analogue inputs outputs for two recording devices cassette DAT or CD recorder Tape 2 REC Output record Tape 2 Tape 2 PLAY Input replay Tape 2 With option BYPASS tape 2 play is the bypass input Gain from bypass to RCA out is 0 dB for gain low and 6 dB for the balanced outputs Tape 1 REC Output record Tape 1 Tape 1 ...

Страница 12: ... qualified technician Fuses must be replaced with ones of the same type and rating refer to markings on original fuse You will find further informa tion in the Specifications section 8 3 or on the rear of the power supply 24 Connecting cable from the power supply to the Jubilee preamplifier Please switch off the power supply before connecting this cable to the preamp Ob serve the anti rotation lug...

Страница 13: ...er tighten the coupling ring 5 Turn the volume control anticlockwise close to the minimum setting Remember that high sound pressure levels can dam age to your hearing as well as your loud speakers 6 Connect the power supply to the wall socket Plug the power cord 24 of the Jubi lee power supply into the special socket on the preamplifier 19 Jubilee power supply front Power Supply 25 26 7 Switch the...

Страница 14: ...7 28 must be matched to less than 5 In position 27 the use of the genuine spe cial tube E80CC is allowed The use of this tube is only in this position practical 31 Automatic discharge LED red LED on When the amplifier has been switched off this LED remains lit until the power supply capacitors have been discharged LED off The power supply capacitors are dis charged If disconnected from the mains s...

Страница 15: ...et and allow the unit 10 minutes to cool down 3 The Jubilee s automatic discharge sys tem will discharge the power supply capaci tors The red LED 31 will be lit during this time see Tube Layout Section 6 1 To avoid an electric shock wait until this LED has extinguished before opening the case 4 Remove the acrylic cover and the right stainless steel lid above the input selector knob 3 5 Take out th...

Страница 16: ...faulty leads between source equipment and or power amplifier and the Jubilee preamplifier REMEDY Wait until the preamplifier has warmed up about 6 minutes and the Operate LED is lit Deactivate Muting on the Mode Selector knob LED will extinguish or slowly turn up the volume with volume knob 2 Check the setting of the Input Selector 3 and Mode Selector knob Switch on power amplifiers Switch on sour...

Страница 17: ...n overload the output and cause an imbalance between the left and right channels REMEDY Change the lead clean plugs and sockets with isopropyl alcohol Warning Do not use contact cleaning sprays To isolate the cause of the problem dis connect your recording device s one at a time Check the interconnect cables used for recording and renew them if necessary If you still have not alleviated the cause ...

Страница 18: ...18 8 SPECIFICATION 8 1 DIMENSIONS OF CASE IN MM POWER SUPPLY FRONT VIEW 152 220 Power Supply POWER SUPPLY SIDE VIEW 480 ca 530 152 ...

Страница 19: ...19 8 SPECIFICATION 8 1 DIMENSIONS OF CASE IN MM JUBILEE PREAMPLIFIER FRONT VIEW JUBILEE PREAMPLIFIER SIDE VIEW 480 ca 560 152 ...

Страница 20: ... 1k 2k 5k 10k 20k 50k 100k Hz Extremely linear frequency response No drop in level at lowest bass frequencies Distortion spectrum 180 60 170 160 150 140 130 120 110 100 90 80 70 dB 30 20k 50 100 200 500 1k 2k 5k 10k Hz Distortion spectrum at 1 kHz only second harmonic k2 is discernible no residual hum at 50 100Hz ...

Страница 21: ... 001 3 V 7 5 kOhm Signal to noise ratio weighted 90 dB Gain High 98 dB Gain Low Maximum output voltage 8 V Gain low high RCA CINCH 10 dB 17 5 dB Gain low high XLR 16 dB 23 5 dB Channel separation 65 dB 1 kHz Crosstalk rejection between inputs 86 dB 10 kHz Crosstalk rejection tape play record 98 dB 10 kHZ Input impedance RCA CINCH 100 kOhm Input impedance XLR 2 kOhm Output impedance 33 Ohms RCA CIN...

Страница 22: ...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 EN2010 ...

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