DIY Kit ref Marantz 7C Tube Pre Amplifier (2 Channels) No tubes

FEATURE
1. Components design value with reference to Walt Jung of American Audio Amateur Magazine.
2. Shuguang 12AX7B x 3.
3. WIMA MKP10 series 2.2uF/100V as output coupling capacitor.
4. BHC filtering, WIMA capacitor.
5.  Dale resistors.
6. PCB thickness 2.5mm, 2oz copper wires.



DC Analysis:

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AC Analysis:

[M7C+ac.JPG]

Noise Analysis:

[M7C+noise.JPG]


This kit include all the required components for it work out except the transformer and the tubes 12AX7B.
Optional: Toroid transformer T30

Primary voltage: 110/220V 50-60Hz
Secondary voltage: 12.6V(1A), 200-220V (200mA)
Including PCB and all the required components as photo, but not included the transformer and the tubes 12AX7B.
We sell the power transformer.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=280416409885


ASSEMBLY GUIDE
http://kikitronic.blogspot.com/2009/11/marzant-7c.html


Payment Method:

Paypal and Credit card
We promise to ship out within 3 business days after the payment settlement.

Shipping:

1.Surface parcel (other shipping): Need about 30-45 days. 
2.Air parcel (standard shipping): Need about 10-15 days.
3.EMS express (expedited shipping): Need about 4-7 days.

Refund:
Refund only if the received item are inconsistent with the item descriptions.