Details：

This is assembled board and tested well, not include four tubes, Inspired by Marantz 7 Phono Riaa circuit, Professional DIY products for Audiophile, High-quality PCB and HiFi components. PCB size: 120x260mm Can use tubes model: ECC83 / 12AX7 ×3 + 6X4 ×1 6N2 ×3 + 6X4 ×1 Transformer requirements: AC250-AC270, ＞30MA, 12.6V, ＞2A (For tube rectifier need extra add a set of 6.3V )

Package include:

1× assembled board (not include tubes)

Recommend transformer link：

https://www.ebay.com/itm/163709964047



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