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CICOGNANI ENGINEERING SPECIALE DD 1959 User Manual

Analog tube overdrive

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DD
1959
ANALOG TUBE OVERDRIVE
User's manual

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Summary of Contents for CICOGNANI ENGINEERING SPECIALE DD 1959

  • Page 1 1959 ANALOG TUBE OVERDRIVE User’s manual...
  • Page 2 Introduction: 
 Cicognani engineering like to congratulate you on your purchase of your new SPECIALE DD 1959. It is an Overdrive evolution of the famous Double Decker. Our goal is to offer the best sounds in a compact format and size.The great experience and knowledge of Guglielmo (The Guru) was made available to create not a simple "re-...
  • Page 3 Design: 
 SPECIALE DD 1959 was born to celebrate the 25th Anniversary of Cicognani engineering. It is not built in a limited edition as our production is "always limited". We have decided to offer a true "boutique" product, where from the project to the smallest detail guarantees an obsessive care.
  • Page 4 Italian Red paint was made by artisans like they used to be. The painting is not performed with an industrial process, but as in the past, with catalyzed paints. The particular "Italian Red" color wants to attract attention exactly like the best products of the Italian motor valley. My PCB design:
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  • Page 5 The Guru’s advice 1) Connect the main power to 12Vdc (min 350mA). Make sure the power supply is negative tip. 2) Connect the “Output” to the amplifier “Input”. 3) Connect the “Input” to the instrument. 4) Set the “SERIAL/PARALLEL” (Master Vol. without fx loop connected) to max level. 5) As soon as you turn on the pedal you will find the green bypass LED active.
  • Page 6 Controls:...
  • Page 7 18) Treble tone control Ch2 1) Bypass On/on switch 19) Middle tone control Ch2 2) Channel 1 On/on switch 20) Bass tone control Ch2 3) Channel 2 On/on switch 21) Main power: 9-12Vcc 300mA (negative tip) 4) Boost On/on switch 22) Rec.Out speaker simulator equipped 5) Standard 1/4”...
  • Page 8: Technical Details

    Technical details: POWER IN 9/12VDC (NEGATIVE TIP) BYPASS FUNCTION: CONSUMPTION FROM 300 TO MAX 500mA 1) FULL RANGE 2) EQUALIZED (REC OUT) S/N RATIO 58db CONTROLS CH1: MAX GAIN 99db MAX GAIN 70db BOOST 0 to +6db VOLUME +10db INPUT IMPEDANCE <...
  • Page 9: Block Diagram

    Block Diagram: The block diagram is the complete operating system. As you can see, the valve is used separately in both Channel 1 and 2. In this way the signal filters are optimized to the maximum required. High quality integrated operational circuits (LF series) were chosen to read higher impedances and offer better sound performance.
  • Page 10 Inside SPECIALE:...
  • Page 11 About SPECIALE: SPECIALE DD 1959 FEATURES so many functions as 8 single pedals to obtain same flexibility. The Speciale is equipped with HI-END buffers and its Solo may be used also on the Bypass mode, just like a third pedal.
  • Page 12 Settings:...
  • Page 13 Tube linearity: The factory equipped valve is a 12AU7. It is however possible to replace it with double triodes of the type: 12AX7 / ECC83, 7025, 12AT7 / ECC82, 12AU7 / ECC82, 5814. In our tests we chose 12AU7 for some reasons: 1) It offers better signal linearity.
  • Page 14: Terms Of Warranty

    Responsibility of Cicognani Engineering for any defective product is limited to repair or replacement of the product at our discretion.The Cicognani Engineering not be liable for damages resulting from loss of use of the product, lost time operation interrupted by non-use of the product, loss of business or any other damages or incidental, consequential or otherwise;...
  • Page 15 Notes: ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ………………………………………………………………………………...
  • Page 16 Cicognani Engineering reserves the right to change technical features or look of his products in any moment without notice. This product is pursuant to European Directives 89/366EEC Cicognani Engineering 
 Via Faentina, 44 - 48013 Brisighella (RA) Italy
 Internet: www.cicognani.eu Mail: sales@cicognani.eu
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