hello friends, turntable and tube amp restoration projects are expensive. please buy my headphones 1. Sennheiser HD540 Ref I 600 ohm (middle production) -middle production pair with smooth headband -original earpads -original cable -freshly replaced the inner foam (not pictured) -replacement velour ear pads included -$200 USD shipped (north america) 2. Sennheiser HD250 Linear I 600 ohm pair of HD250 Linear I 600 ohm with the original ear pads and foam discs. these are my favorite closed-back headphones. very high resolution and tasteful tuning. difficult to find now in such condition. $250 USD shipped thank you!