Check the listing for details. 12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI / Transformer /Case. Condition: New. Listed at 135.00 USD. 12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI/ Transformer/Case Description NoteThe circuit board is a kit and requires you to solder it yourselfNo Tubes Features: 12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI+Transformer+Case This product is a complete kit with circuit diagrams. Sold to those who have a general knowledge of electronics theory and audio. . This line of highly reproducible amplification requires a front-end audio source has a considerable quality, otherwise it will be poor signal amplification is even worse and more obvious. The same is also a high quality signal amplification to restore more quality charm. Secondary output 300v~230v~0~230v~300v(0.1A) 0~15v(2A) 0~6.3V(2A) 0~4V~5V~6.3V(3A) Chassis construction: 8mm aluminum panel, back box size 415x100x300Aluminum panel 480x120, back box 1.5mm steel plate, 410Wx100Hx300mm deep, chassis with solid core aluminum knob, aluminum pull handle, power supply holder, power switch, feet, indicator, mounting screws, with arc package ： 1pcx 12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI/Transformer/Case If you have any questions, please contact us in time, we will help you deal with the problem for the first time. Shipping Item will be shipped within 24 -48 hours after full payment is received. Normally the shippment to worldwide is used to take 15 to 30 business days, exclude Sat & Sun. Payment Payment must be received in 7 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order. Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched. Contact Us If you have any questions, please feel free to email our servicer ，and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 45 days, please contact us and we will arrange refund or resend Feedback We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply your email as soon as possible, please kindly allow 24 hours(working day) for us to response. Thank you. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact.