Duncan Twin Tube Blue SFX-11 User Manual Download Page 9

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Basic Operation

Explode into modded tube amp territory. No additional overdrive

pedal needed with this setting. There’s enough gain on tap for

searing leads and loads of sustain.

Searing lead

strat is a registered trademark of fmic with which seymour duncan is not affiliated

Summary of Contents for Twin Tube Blue SFX-11

Page 1: ...Twin Tube Blue right away after reading the safety precautions below and you ll immediately enjoy the versatility of having two channels of gain and a wide range of great tones However you might want...

Page 2: ...ich could result in serious injury or death not to mention damage to the Twin Tube Blue Wouldn t that suck Refer all servicing to qualified service personnel Do not block or cover the side vents on yo...

Page 3: ...great tube preamp Tube Life The 6111 tubes will typically last many times longer than even the best 12AX7s For most Twin Tube Blue owners this means you ll never have to change your tubes However not...

Page 4: ...Status Indicator When lit it indicates that the Lead Channel is active or staged for activation if the unit is bypassed 6 Lead Volume Master volume control for Lead Channel Positioned at the end of t...

Page 5: ...e Note it is a 16 VAC 600mA unit Do not try to substitute a DC power supply or another AC supply with a different voltage value or current rating If you lose your transformer or if it breaks contact a...

Page 6: ...ipping diode and do not actually amplify Though starved plate voltage is used in some inexpensive tube stomp boxes it is not true tube amplification The circuitry in the Twin Tube Blue enables the tub...

Page 7: ...d activates the Lead Channel As with the Rhythm Channel start rotating the knobs clockwise until the desired volume level and distortion are achieved relative to the Rhythm Channel and to the bypassed...

Page 8: ...uitar and tubes You can push it just hard enough to break up while most of your notes are clean and clear Memphis Boogie Dirty blues will hit your amp hard if you ve got the chops This will dirty up y...

Page 9: ...tube amp territory No additional overdrive pedal needed with this setting There s enough gain on tap for searing leads and loads of sustain Searing lead strat is a registered trademark of fmic with w...

Page 10: ...produce sound 5 Press the On Bypass button to activate the Rhythm Channel Turn the Gain control up about half way Slowly turn the Master Volume up as you pluck a string Fine tune the Gain setting to a...

Page 11: ...ad channel 98dB After level compensation Rhythm channel 52dB Lead channel 76dB Gain measured at 500Hz Nominal output level Rhythm channel 0 4 Vrms 5dBu Lead channel 0 5 Vrms 4dBu Nom output level meas...

Page 12: ...your USA dealer international distributor or sent direct to our factory postage prepaid along with dated proof of purchase e g original store receipt and a RMA number clearly written on the outside o...