Dear friends Small addition. now payment is possible by PayPal or Bank transfer (more preferable) Now the amplifiers are already undergoing final Assembly. In the near future will begin sending Anyone who ordered SW51 and did not receive the final order form, please check your mail or send me an email. If someone decided to cancel the purchase, please let me know. If someone did not refuse the purchase, but decided to postpone the purchase to a later date, please also let me know.