Continue shopping “PY500A PY-500A ELECTRON VACUUM TUBE VALVE TELEFUNKEN” has been added to your cart. Product Price Quantity Subtotal × PY500A PY-500A ELECTRON VACUUM TUBE VALVE TELEFUNKEN $10.23 PY500A PY-500A ELECTRON VACUUM TUBE VALVE TELEFUNKEN quantity $10.23 Coupon: Apply coupon Update cart Cart totals Subtotal $10.23 Total $10.23 Proceed to checkout