I have to readjust the cable into the HD650 again everytime. It didn't come out but there is no sound from the left (kind of loose contact of the plug). Anyone have the same problem or any suggestion? I think one of the problem is the cable is so heavy so the plug can loose easily so I don't...

I've just get my Nakamichi CR7 out from the storage. I'm the analog lover so I want to record my vinyl and play in some busy time to look at the turntable. I just realise that it has the phone socket and volume control. So I give it a try. It sounds very impressive with wide sound stage, deep...

Just got the amp on Friday. This is my second time receiving the amp. A month ago I received this PPX3 from my friend's mom hand carry to me from LA but some how the amp is not worked. May be from the transportation vibration or something. I asked Mikhail if it's ok for me to open the amp and...

I don't have a tube tester. The PPX3-6sn7 is coming. I want to know if one of the tube I'm trying to roll is short. What will happen to the amp? Any safe practice recommendation is appreciate. Any method that can test for short without the tube tester. Big Thanks

Please comment between this two tubes (Tung-Sol round plate and National Union grey tube round plate) using on the PPX3-6sn7. What position is best suit for these tubes, gain or output. What tube to get along with these tubes as a combo for the PPX3?

I'm quite satisfied with the ipod and Ety er4p but I wonder how much it will improve the sound with the S cable and good portable amp. Is it worth to carry the amp altogether with the ipod on the trip? I want the battery type and small enough for the travel trip. With the amp should I put...

Hi, I've got the HD650 about a week ago and the ear cushions is accidently come off. I don't know how to put it back in place properly. Please advise.