* Power supply umbilical cord is included.
* One matched pair of 6EW7 and one tube rectifier are included.
* AC power cord and RCA interconnect cables are not included.
* Shopping cart applies to the U.S. buyers only. International buyers please contact for shipping cost and payment instruction.
Parts upgrade:
Premium parts upgrade package. $450
We carefully selected the best possible audiophile graded parts that bring the ultimate performance from the amplifier. Parts upgrade are intended for amplifier purchase, not to be sold on a standalone basis.
Attenuator upgrade:
DACT CT2 stepped attenuator. $215
24-position, high accuracy and reliability.
Teflon tube sockets upgrade:
$75 (9-pin x2, 8-pin x1)
Teflon is a superior material with great isolation and tempreture endurance. The unique design of multiple pin contact area greatly increase connectivity and gripping. Pins are gold-plated over oxygen free copper.
Rectifier tube replacement:
Sophia Princess Mesh Plate 274B rectifier $150 (1 pc) with 30 days warranty
To impact WA6 SE's sound quality or for your super backup. Buy and ship independently.
Sophia Electric™ 274B tube is a premium rectifier tube for a 5U4/5R4/5AR4 direct replacement with 3X longer plate structure, thus it has a deeper, wider sound stage and even smoothier sound than Mullard 5AR4.
Drive/Power tube replacement:
1 matched pair 6EW7 $20 (2 pcs)
Clear top, big bottle. Buy and ship independently. 6EW7 is a direct replacement for a 6DE7.