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  « FS: Harman Kardon Citation I Tube Preamp »
March 29th, 2024, 12:34am
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   the Echo Loft (Buy/Sell Section)
   Buy / Sell Forums (Singapore - Post prices in SGD)
   [Singapore] HIFI Equipment (Buy/Sell)
   FS: Harman Kardon Citation I Tube Preamp
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   Author  Topic: FS: Harman Kardon Citation I Tube Preamp  
mcheong

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FS: Harman Kardon Citation I Tube Preamp
« on: March 9th, 2022, 10:37pm »

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This unit has been extensively rebuilt and in tip-top operating condition.

Work carried out:
1.      Installation of 3 upgrade kits from Jim McShane covering the power supply, line stage and phono stage. For details on Jim’s upgrade kits, please visit link below.
2.      Volume pot upgraded to a stepped attenuator unit with discrete resistors. This has resulted in much better balance between the 2 channels and more stable imaging.
3.      Integration of Bob Carver’s MC phono circuit. Now you can switch between MC & MM with the flip of a switch (switch is beside the phono jacks, as shown in one of the photos.)
4.      Out-of-spec resistors replaced

Cosmetically, the condition is fair with moderate fading of the faceplate labels. All knobs are present and original.

Tubes that come with the unit are:
1.      4 new Valvo ECC81/12AT7
2.      1 Brimar ECC81/12AT7 (V5 which is driving the summed centre channel output)
3.      4 Matsushita 12AX7

Please see link below & search forums for the details on Jim McShane Kits
http://www.mcshanedesign.net/

Pictures of unit for sale:




New power supply capacitors – significantly higher capacity than original


Replacement of signal capacitors for line & phono stage circuits






MC/MM Toggle Switch


$2200/-.

Please WhatsApp 9689-5432 to deal or question.
Audition/Inspection at Sunset Way. Cheers!

« Last Edit: March 9th, 2022, 10:39pm by mcheong » Logged










 




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