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the tubes and their function:

V 1 - ECC83 (12AX7): input stage, 2. gain stage; grade: FQ selected
V 2 - ECC83 (12AX7): Lead driver stage, 4. stage; grade: selected
V 3 - ECC83 (12AX7): FX buffer stage, poweramp driver stage; grade: selected
V 4 - ECC83(12AX7):  phase splitter; grade: standard
V 5, V 6 - EL84 (6BQ5): power tubes, poweramp, matched set

Technical Data

Rated power:    

                                                        approx. 20 watts (max.) at 8 or 16 ohms;

Input sensitivity level Input, Clean channel: 

           -40 dB to approx. -5 dB max.; 

Input sensitivity FX Return: 

                                     -20 dB, approx. 0 dB max.;

Output level FX Send, level range: 

                          -10 dB to approx. 0 dB peak;

Balanced Line Output:   

                                           0 dB peak;

Headphones poweramp:

                                          2 x 0.1 Watts at 8 Ohms, solid state circuit

                                                                                  impedance 8 to 32 ohms

Tubes:                                               

                        4 x ECC 83 (12AX7);

further details see below!                                         2 x EL 84 (6BQ5);

Fuses:    

                            

mains fuse at 100 / 110 / 120 mains voltage            0.8 ATL (T: slo-blo);
mains fuse at 220 / 230 / 240 mains voltage            0.4 ATL (T: slo-blo);
Power Tube Fuses (internal on main PCB):                2 x 0.08 AM (M: medium blow)

Important:   

                                                             

Replace fuses only against same type and rating!

Power Consumption:  

                                              approx. 80 watts max.;

Dimensions:

                                                              approx. 34 x 14 (17) x 22 cm;   

                                                                                 13.4" x 5.5" (6.7") x 8.7";  (W x H x D)                       

Weight: 

                                                                    approx. 7 kg; 15.4 lbs;

                                          

Tube array:

Tube replacement report:

1. Replaced on: _ _ _ _ _ _ _  20 _ _ _  Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _

Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

2. Replaced on: _ _ _ _ _ _ _  20 _ _ _  Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _

Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

3. Replaced on: _ _ _ _ _ _ _  20 _ _ _  Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _

Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Output

Transformer

Power

Transformer

V 6

EL84

Input

E606 chassis

viewed from

above

V 1

ECC83

V 5

EL84

V 2

ECC83

V 3

ECC83

V 4

ECC83

Summary of Contents for Ironball

Page 1: ...Operator s Manual Please first read this manual carefully Ironball Full Tube Guitar Amplifier...

Page 2: ...s boxes shaded grey throughout the manual These are located between the descriptions of the amp s functions and contain handy tips on the preceding function All critical information pertaining to the...

Page 3: ...alance of levels between the Lead and Clean channels 9 Master This master volume knob controls the power amp s output it is located post FX Loop M V B Master Volume Boost This feature increases the ma...

Page 4: ...ain Boost Plugging a footswitch into this jack disables onboard channel 11 and Gain Boost 10 switching Note also that a footswitch may be equipped with LEDs indicating the given switching status Each...

Page 5: ...combination at the front panel Then adjust levels at FX devices or signal processors if connected Use the respective device s input sensitivity or gain control for level adjustments You can also tap...

Page 6: ...t operate the amp at peak loads that is with the Master knob set to 12 o clock or beyond pushing the power amp hard into overdrive for longer periods with the Power Soak activated because its power re...

Page 7: ...low Important Replace fuses only against same type and rating Power Consumption approx 80 watts max Dimensions approx 34 x 14 17 x 22 cm 13 4 x 5 5 6 7 x 8 7 W x H x D Weight approx 7 kg 15 4 lbs Tube...

Page 8: ...a standard brand of mild dishwashing liquid instead Never use solvents they can dissolve the surface varnish and the front and rear panel labels Keep liquids well away from the amp particularly the i...

Page 9: ...value greater than 0 7 o clock If any of these knobs is fully down no signal is routed to the amp s outputs You may be looking at a faulty tube or another defect the internal power tube fuses blown et...

Page 10: ...l instead of one 8 ohm cabinet or 1 2 Speaker cabinet options Wiring of Principal Connectors Footswitch 16 17 Balanced Line Output 22 and Headphones 21 Your options for controlling the ENGL Ironball a...

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