Hi, I hope this is the appropriate place to ask this. I am looking to buy some Final Type E tips (https://snext-final.com/en/products/accessories/detail/earpiece.html) but I can't find any vendor in the UK or EU. https://www.hifiheadphones.co.uk lists them but they are out of stock since...

Hello,   I am trying to find the best amplifier to go between my M2 Tech Young DAC and my Sennheiser HD650. I am also planning to replace the HD650 with LCD-3 sometime next year.   I have narrowed down the choices to Burson Soloist, Lehmann Audio Black Cube Linear and Beyerdynamic A1...