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1.  Connecting the negative pole of the multi-meter to 

the zero ohm speaker terminal, and find out the test 
point behind each EL156 tube.   

 

2.  Using a small screw-driver to slowly adjust the 

adjust switcher, till the test voltage reach the 

0.85V

 

 

 

Repeating the steps above for each power tube. Please 
keep  in  mind  for  that  the  bias  voltage  of  each  tube  is 
best at same level. 
 

Congratulation! You just updated your Jasmine Piano 
SONATA EL156-SE Tube Amplifier!

 

Step Three: Adjusting Bias-Voltage of the Tubes 

Содержание Sonata EL156-SE

Страница 1: ...Jasmine Sonata EL156 SE Tube Integrated Amplifier Owner s Manual J a s m i n e T u b e A m p s ...

Страница 2: ...ity for this product Before cleaning the Jasmine SONATA EL156 SE Tube Integrated Amplifier always disconnect the power supply cord Use a soft cloth and if necessary dampen with clean water or mild cleaning agent Never apply water or any other cleaner directly to the chassis If you smell smoke or an abnormal smell immediately unplug the Jasmine SONATA EL156 SE Tube Integrated Amplifier from the pow...

Страница 3: ...Speakers Before Power on the Amplifier Choosing your Signal Source Adjusting the brightness of the tube cover Power On Off Sequence Why need to upgrade or exchange the tubes The Exchangeable Tube Type Step One Exchanging the Tubes Step Two Power on the Amplifier Step Three Adjusting Bias Voltage of the Tubes Safety Precautions 2 Introduction 4 Installation 5 Connections 7 Operation 9 Warranty 13 S...

Страница 4: ...k of injury or damage to your Jasmine SONATA EL156 SE Tube Integrated Amplifier please read the safety instructions on the first page of this manual In addition please pay particular attention to the sections of this manual where the symbol at left is shown Jasmine Audio was established by a group of professional audiophile with the pure passion for the perfection of sound in 2001 The result of th...

Страница 5: ...the need arises Included in the carton you will find an accessory kit that contains the following Two EL156 tubes Two 6SN7 tubes One 5U4X1 tube AC power cord Remote Controller Each tube is labeled such as V1 V2 etc The same label also appeared on the top side of the amp First of all place the amp on a solid place then remove the tube cover by the screw driver Unpacking the tubes and plug in the ac...

Страница 6: ... Jasmine SONATA EL156 SE Tube Amplifier uses some of the most advanced noise reduction circuitry available it too will benefit from any efforts taken to reduce vibration For best performance place the Jasmine SONATA EL156 SE Tube Amplifier on a solid non resonant shelf Choosing a Location for the Jasmine Amplifier ...

Страница 7: ...grounded surface such as the chassis of a component that is plugged into an AC socket before connecting or removing a cable Inputs and outputs can be safely connected to the Jasmine SONATA EL156 SE Tube Amplifier when the AC power is switched off Check to make sure your Jasmine SONATA EL156 SE Tube Amplifier has been set for operation at your AC line voltage Attempting to use your Jasmine SONATA E...

Страница 8: ... will undergo similar but less dramatic break in You can directly connect your CD player Tuner to the Jasmine SONATA EL156 SE Tube Amplifier But Turntable You have to connect your turntable to the Jasmine SONATA EL156 SE Tube Amplifier by a phono stage except your turntable embedded phono stage inside The tube amplifier is sensitive to the output impedance The Jasmine SONATA EL156 SE Tube Amplifie...

Страница 9: ...or switch on the front panel you can select the signal source that you like such as CD Player Tuner or turntable etc Through the Dimmer switch on the rear panel you can adjust the brightness of the top acrylic cover The correct power on and power off sequence will lengthen the life of your HI FI system Power On Sequence Signal Sources Integrated Amplifier Power Off Sequence Integrated Amplifier Si...

Страница 10: ...ent brand of tube to obtain different sound Notes The EL156 Which can t be directly replaced by Telefunken s EL156 6SN7 5692 5U4X1 5Z3P U52 The tubes are must pairs matched at least The best is four tubes matched each other 1 Power off your Jasmine SONATA EL156 SE Tube Integrated Amplifier 2 Waiting for the tubes cooling down to the safety temperature pull off the tubes 3 Plug in the new tubes V1 ...

Страница 11: ... the speaker cables are connected 2 Carefully turn on the power switch waiting for 5 minutes till the tubes warmed up 3 Using a multi meter setting to direct voltage 20V model 4 Finding out the adjusting switches Here is it Step Two Power on the amplifier ...

Страница 12: ...all screw driver to slowly adjust the adjust switcher till the test voltage reach the 0 85V Repeating the steps above for each power tube Please keep in mind for that the bias voltage of each tube is best at same level Congratulation You just updated your Jasmine Piano SONATA EL156 SE Tube Amplifier Step Three Adjusting Bias Voltage of the Tubes ...

Страница 13: ...ng order or at Jasmine s option replace the defective equipment with a similar available product at no cost to the owner for the labor materials and return shipping from Jasmine 5 Jasmine shall not under any circumstances be liable for any incidental or consequential damages arising from the loss of property or other damage or losses due to the failure of a Jasmine product Jasmine will not pay for...

Страница 14: ...put Impedance 4 8 ohm Input ports 3 sets of RCA S N 89dB Freq Response 6Hz 45KHz 1 5dB THD 1 Voltage Model 110 120V 50 60Hz or 220 240V 50 60Hz Net Weight 22Kg Size 370 W x 470 D x 210 H mm Power Consumption 150W static status 2006 Jasmine audio Block B1 5C Digital Tech Park Southern Keji Rd Shenzhen GD China 518057 Subject to change without notice ...

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