Roland AF-70 ANTI-FEEDBACK - D.I. with 48v,アンチフィードバック,BN20A For Sale: DM Best Offer This was purchased from original owner in July/August of this year. It had sat for around a year. I spent over a month working on it,Roland Printers and Plotters Marketplace | Facebook,Roland SP-404 Portable Linear Wave Sampler from Japan Tested,