6Z5P + 6N8P (also compatible with 6SN7) pure tube preamplifier. 6Z5P+6N8P 2 (6SN7)Tube Preamplifier Board Galle Rectifier for HIFI AMP. standard tube: rectifier tube Shuguang 6Z5P amplifier: Dawn 6N8P (available to replace 6SN7, 6H8C and other imported tubes).
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