Ceriatone JTM50 Скачать руководство пользователя страница 3

 
 

 

2)  QUICK SETUP

 (for instant gratification)

 

 

 

 

 

1)

 

Plug your guitar using a 1/4” instrument cable into the upper I input on the right of the front panel 

2)

 

Plug a suitable power cable from the Plexi’s rear panel MAINS cable inlet to your wall power receptacle 

3)

 

Plug the Plexi into your speaker cabinet using 1/4” speaker cable 

4)

 

Set the IMPEDANCE SELECTOR to the match the impedance of your speaker cabinet 

5)

 

Set all rotary tone and gain controls on the front panel to 12:00 (clock face) 

6)

 

Set VOLUME controls at just above minimum 

7)

 

Set front panel POWER switch in the ON position (down position, with adjacent STANDBY switch in the “STANDBY” 
mode) for 30 seconds to allow tube filaments to warm up 

8)

 

Set front panel STANDBY switch to “ON” mode (down position) 

9)

 

ROCK!!!!!!

 

 
 
 
 
 
 

Содержание JTM50

Страница 1: ...1 JTM50 50W Amplifier User s Manual...

Страница 2: ...ll the backbone of our amplifier line The JTM50 is an interesting transition period era design which combines aspects of a JTM45 and a 50W smallbox bass amplifier For players looking for the sweetness...

Страница 3: ...our speaker cabinet using 1 4 speaker cable 4 Set the IMPEDANCE SELECTOR to the match the impedance of your speaker cabinet 5 Set all rotary tone and gain controls on the front panel to 12 00 clock fa...

Страница 4: ...ESENCE control 5 BASS control 6 MIDDLE control 7 TREBLE control 8 VOLUME I control with Push Pull Bright boost 9 VOLUME II control 10 INPUT I and II input instrument jack POWER two way toggle switch p...

Страница 5: ...control to add sparkle and clarity to your tone BASS adjusts low frequencies MIDRANGE adjusts the mid frequency response TREBLE adjusts the high frequency response VOLUME I sets the overall volume and...

Страница 6: ...COM probe jack 7 FULL HALF 2 way toggle switch 8 HT FUSE 9 MAINS FUSE 10 MAINS IEC cable inlet SEND instrument jack can be used to directly interface the preamps of the JTM50 thereby bypassing the pow...

Страница 7: ...s acceptable NOTE never turn your amplifier to OPERATE mode 1 DOWN position on STANDBY without connecting the amplifier to a speaker cabinet or suitable dummy load Failing to do so may damage your amp...

Страница 8: ...to right V1 12AX7 ECC83 Input stage Bright and Normal channels V2 12AX7 ECC83 stage 2 and tonestack cathode follower V3 12AX7 ECC83 phase inverter for power amplifier V4 EL34 V5 EL34 V6 GZ34 5AR4 BIAS...

Страница 9: ...66 closest to V3 Right down the value your DMM reads You might expect a value between 30mV 40mV 5 Repeat for the other power tube position by plugging your red probe into the RIGHT BIAS multimeter jac...

Страница 10: ...M to mV for measuring bias on the amplifier Not doing so may damage your DMM Now that you know how to calculate bias all you need to do is 1 Follow steps 1 5 on page 11 2 Calculate what bias voltage r...

Страница 11: ...ck and or skin burns should ALWAYS be kept in mind Therefore bias at your own risk and only while paying attention and taking all precautionary measures Biasing should only be done on a clean workbenc...

Страница 12: ...ificant mismatching of impedances and or an overloading of the effect unit itself Most rack mount units have different input impedance than pedals and thus can sometimes function fine without a buffer...

Страница 13: ...ut transformer choke high temperature low ESR electrolytic capacitors and those used in our British series 1 2W carbon composition resistors 1W carbon film resistors TAD Mustard capacitors high voltag...

Страница 14: ...14 7 Settings templates...

Страница 15: ...15...

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