Any experience with EZ-80s, 5687s or Bendix 6900s?


I have an AMR CDP and it uses EZ-80s as rectifiers and 5687s in the output stage. I may have a problem with a rectifier tube and was thinking of replacing it (them). I know nothing about EZ-80s (or EZ-81s). The current rectifier is an NOS Philips. Does anyone here know what a Telefunken EZ-80 might sound like in this application or how it might compare to the Philips?

Also, I have heard that some people are using Bendix 6900s in place of the 5687 Tunsgarams. Same questions here if you have any input.

Thanks,

Frank
fmpnd
Glory, I've been away for quite a while and just happened to be researching tubes for my AMR again and saw your post. The Bendix were wonderful for a couple of months and then just crapped out on me.

I do not know if I was purposely sold old or defective tubes at the time (even though they were represented to me as NOS) or not. However, based upon subsequent dealings with that same dealer. I now consider him to be fundamentally dishonest.

Thus, I am now not sure if the tubes I had were representative of what an NOS Bendix really has to offer.

I am now open to suggestion as the AMR distributor screwed my player up when he upgraded it by taking out my double crown chip and never replacing it . Between that and the tube issues, I have never been able to get the real magic back with my AMR that it used to have. I now use it mainly for headphones and have since gone back to my Reimyo as my main CDP.

Regards,

Frank
Hard for the B6900 to crap out. They run forever. Send them to me I will take them.
Brian Kyle of Xtreme AV in southern California sent you the Bendix 6900s on good faith that you would send him the money for them. I understand they were good and strong when he had them, yet only now the performance of the tubes is brought up. That aside, Brian contracted brain cancer not quite 3 years ago -- long after he sent the tubes, and his condition has deteriorated drastically to the point that he is now on daily hospice care, is unable to stand and walk, and may not be alive a month from now. So now "subsequent dealings" with him -- of which there were none -- and his integrity ("fundamentally dishonest") are called into question. Brian is incapable of defending himself due to his condition.

Did you purchase the Double Crown DAC chip from the distributor, whose reputation you impugn? What upgrades were performed? Any repairs? Where, and who paid for them and shipping?

People reading this can draw their own conclusions about ethics and integrity.
Fmpnd,

Why didn't you just send the tubes back for a refund? Seems like that would have made the most sense. Are you sure they were bad? Did you have them tested to be certain? That is what I would have done. Certainly a better option than trashing someone years later who has no opportunity to respond due to a chronic condition that will result in his death shortly. We all make mistakes but I certainly hope you realize your poor judgement at this time with your assertions as to Brian Kyle's character. IMO an apology is in order.
FM,

After hearing the story here I don't want the tubes even if they are perfect.

Let's see . repentence is in order I do believe.

Cut his family a check to rid yourself of the bitterness so you can live in freedom.