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Summary of Contents for ICON STEREO TUBE POWER AMPLIFIER
- Page 1 STEREO TUBE POWER AMPLIFIER USER’S MANUAL S . T . I N N O V A T O R S S O F I A 1 5 0 5 , T Z A R I C H I N A S T R .
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Page 2: Table Of Contents
Small Input Tubes ............................12 Location and Ventilation........................13 Tubes, Connections and Switches location ..................14 How to Connect for Stereo......................15 How to Connect for Mono Parallel ....................17 How to Operate the ICON ......................19 • Power On, Stand-by and Off ........................19 • Input Switch ..............................19 Setting the Tubes Bias ........................20... -
Page 3: Important Safety Instructions
A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. ICON rev.mar.2005... - Page 4 S.T.Innovators Service Department. For assistance on factory repair return procedure, contact the S.T.Innovators Service Department at: S.T.Innovators, Ltd. 1 Tzarichina, Str 1505 Sofia, Bulgaria Phone: +359 2 870 21 56 Fax: +359 2 973 37 27 ICON rev.mar.2005...
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Page 5: General Notes
Pin3 2 Introduction ICON is an HI-end stereo tube power amplifier with the silky-smooth sound and incredible detail that only a tube amplifier can provide. Two 100 watt high current output channels will drive any high quality loudspeaker system to its ultimate performance. -
Page 6: Why Pulse Power Supply
Power Output The ICON consists of two separate power amplifier channels, each capable of 100 watts into 4 or 8 ohm loudspeakers in stereo. It may also be operated in mono at 200 watts into 2 or 4 ohm loudspeakers. -
Page 7: Icon Dimensions
S.T.INNOVATORS 6 ICON Dimensions The following dimensions can assist in determining the best location for your ICON. • Closed Design Dimensions 465 mm Front View of ICON Figure 1 Back View of ICON Figure 2 445 mm 430 mm Side View of ICON... -
Page 8: Open Design Dimensions
S.T.INNOVATORS • Open Design Dimensions 460 mm Front View of ICON Figure 4 Back View of ICON Figure 5 460 mm 440 mm Side View of ICON 345 mm Figure 6 ICON rev.mar.2005... -
Page 9: Installation Of Tubes
Front Panel. Refer to figure 7. 2. Carefully pull out whole wood frame. 3. Orient the ICON’s chassis so the Front Side is facing you. Cut off the support strip from the Tube Box and carefully lift up the Tube Box. - Page 10 S.T.INNOVATORS GU50 (V5L) GU50 (V4L) GU50 (V4R) GU50 (V5R) GU19-1 (V3L) 6N1P-EV (V2L) 6N6P (V1L) EM800 (V6L) EM800 (V6R) 6N6P (V1R) 6N1P-EV (V2R) GU19-1 (V3R) Tube Box Figure 8 ICON rev.mar.2005...
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Page 11: Power Output Tubes
S.T.INNOVATORS Figure 9 The ICON Chassis has nomenclature screened on it to specify both the circuit location and Tube type for each channel. Refer to figure 9. Note: It is extremely important to insert the Tubes in the correct location. -
Page 12: Driver Tubes
There are two different types of Small Input Tubes (6N1P-EV and 6N6P) used in each channel. Tube type can be found on the outside of the Tube. The ICON will not function if they are inserted into the wrong socket. -
Page 13: Location And Ventilation
The ICON can be placed upright on a table or shelf, standing on its four feet. Adequate ventilation extends the trouble free life of the ICON. The suggested minimum space for operating the ICON is 70 cm in width, 60 cm in depth, and 60 cm in height. -
Page 14: Tubes, Connections And Switches Location
20 – Input switch selects between the BALANCED or UNBALANCED INPUTS; 21 – fuses 6,3А - Main Fuse holder, refer to information on the back panel of your ICON to determine the correct fuse size and rating; 22 – Power supply connector - Connect the ICON power cord to a live AC outlet. Refer to information on the back panel to determine the correct voltage;... -
Page 15: How To Connect For Stereo
WARNING: Loudspeaker terminals are hazardous live and present a risk of electric shock. 5. Rotate the ICON Power Switch on front panel to the OFF Position and connect the supplied power cord to an active AC outlet. - Page 16 S.T.INNOVATORS To AC From Preamplifier Outlet To Right To Left Loudspeaker Loudspeaker 4 or 8 ohm 4 or 8 ohm Figure 13 – Stereo Connection ICON rev.mar.2005...
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Page 17: How To Connect For Mono Parallel
WARNING: Loudspeaker terminals are hazardous live and present a risk of electric shock. 5. Rotate the ICON Power Switch on front panel to the OFF Position and connect the supplied power cord to an active AC outlet. - Page 18 S.T.INNOVATORS From Preamplifier Jumper Cables To AC Outlet Loudspeaker 2 or 4 ohm Figure 14 – Mono Parallel Connection ICON rev.mar.2005...
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Page 19: How To Operate The Icon
Refer to figure 15. Standby Mode: The ICON amplifier SHOULD NOT BE LEFT RUNNING WHEN NOT IN USE. Unlike solid state amplifiers, tube amplifiers should be shut down when not being used. This will greatly prolong tube life. A standby mode has been provided for short-term use between listening sessions so that the amp will remain in a “warmed up “... -
Page 20: Setting The Tubes Bias
The output tubes and driver tubes (the big ones – V3, V4 and V5) need to be “biased’ with a grid voltage that controls the flow of electrical current through the tube. Tube biasing on the ICON amplifier has been designed to be both simple and effective. -
Page 21: Specifications
(H x W x D) including feet and knob Overall Dimensions 302 x 465 x 430 mm – closed design 261 x 460 x 460 mm – open design 24 kg – Closed Design Weight 17 kg – Open Design ICON rev.mar.2005... -
Page 22: Packing Instructions
The foam with the tubes located inside are placed into the Amplifier Tube Box and secured to the Chassis. Failure to do this will result in damage to the Vacuum Tubes and possibly the ICON.
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