PMG (Professional Music Gear) Buffer Amplifier "BUF E945" This is a rare unit with the original LF351N operational amplifier. It has been maintained, and the capacitors have been replaced with audio-grade ones. With AC100V, this is a buffer with ample headroom. It's fully equipped with send & return, A/B switcher, and GAIN boost. Condition: - No operational issues - Excellent condition Operation has been confirmed, but as this is a used item, those who are sensitive or seeking perfection should refrain from purchasing to avoid trouble. To ensure a pleasant transaction for both parties, please be sure to read my profile and consider purchasing only after you agree. I hope for a smooth transaction, so thank you.