mcheong
  
Posts: 116

I love YaBB 1 Gold!
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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!
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