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Summary of Contents for OP 50

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Page 2: ... Special adjustment MasterVolume allows using the device not only on large concert halls but also in ordinary home without losing the powerful sound structure You will immediately notice the rich lows and excellent readability of chords even at high Gain levels At the same time the ampli er perfectly friends with the volume knob of your guitar If you are a fan of all kinds of guitar effects pedals ...

Page 3: ...lue andadjustthevolumewiththeMASTERknob foroverdrivechannels andtheVOLUMEknob fortheCLEANchannel onthefrontoftheampli er This completes the presetting of channel B You can now proceed to presetting the channel HB To do this switch the toggle switch to HB B CL HB This turns on an additional tube ampli cation stage and you will hear how your the stallion got spurs in his sides With the and controls ...

Page 4: ...at mode for the channels and SAT Add gain compression and saturation This is a heavier tone It is normal for the volume level to drop with this switch engaged Compensate with the amp s Master volumes JTM B HB Gain structure switch provides three choices of overall gain of the and channels HB B CL A toggle switch for switching ampli er channels The indicator shows which the channel is currently on ...

Page 5: ...erall power of the ampli er practically without changing the sound structure A very useful feature for home use IMPEDANCE Select between 16 8 or 4 Ohm to match your speaker set up SPEAKERS Plug speaker cabinets here Set Impedance selector to appropriate position FUSE HT Only replace with Type indicated on rear panel If this fuse blows it s most likely a bad power tube Note If the sound fails it is...

Page 6: ...s with high humidity Be careful not to obstruct the mesh ventilation openings Air access allows the ampli er tubes to ventilate Do not use the ampli er on stages with voltages over 220 volts or large power surges Avoid mechanical stress careless handling transportation In case it is a long trip do not be lazy and remove all tubes from the sockets isolate each separately foam rubber bubble wrap etc...

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