Joule Electra VZN100 Thoughts


Thought I'd post some observations since trading for these amps I really wasn't looking for. That was about 9 months ago. I still have misgivings about them. I have a 2.5 year old who loves music and dancing and don't want to go through the trouble of making them safe. Those 12 6C33 tubes are intimidating - cool but worrisome. They take up a lot of room and they can really heat a room in the summer months. Great now that it's cold, we get a heated room. Customer service was not to be. They hum a bit too.

Here's lies the problem. In all the amps I've ever owned, auditioned, listened too, at the many audio shows I've attended, getogethers too, nothing I've heard so far has sounded better, that possessed the magic, that got me closer to real music than these tubed monoblock OTL's. I know it is system dependent, but the shear beauty and openness of these amps is nothing short of amazing. I've owned Pass, Halcro, Classe, and so many others. I had the Decware Torii when these amps found my living room. Great sounding amps the Torii's, nothing really to complain about, except when I reluctantly (was talked into it really) plugged these amps into my system it was one of those OMG moments.

I tweaked them a bit over the months, better power cords and connectors, and nearly made one unusable because I miss-wired a connector. That's when I discovered there was no support and no available documentation. I was on my own. It ended well, just a bad connection.

I noted during my cable upgrade that there were some bulging capacitors. These amps I guess are around 10 years old. Maybe it's time to replace the caps? That would be quite a rebuild.

These amps are controlled by a Allnic L3000 preamp, fed from a NAD M51 DAC which gets music from a very well filtered server. Super V speakers make it all happen.

So goes my story of these OTL's. Thought I'd share and wonder if anyone who has spent time with these amps, had found something even better?
128x128desalvo55
Other than a bad tube the Joules have had no reliability issues although having seen the bulging caps things could go haywire. I wish to be proactive and replace before that happens.

No other amp that has been through my current system has made any noise, only the Joules. They hum and I hear them in my sitting position. I think with any other amp this would be unacceptable for me. But when the music starts playing I simply don't hear the hum. It might be tough to isolate the problem given the variac, the 4 now quality cables that run to the amps to now quality IEC's. When first turned on the hummed very loudly. Flipping a ground switch on the back of the Allnic mostly alleviated the hum.

When I acquired them I knew little about them. I didn't even want to bother hooking them up! Now I'm ruined.
Desalvo, I too noted a hum when I had the Joule in my system, most likely a ground issue or maybe the 60 hz buzz from the power transformer, who knows? It never went away but on the other hand it was never an issue when listening, just a bit annoying. I hope you find a way to keep the amp and make it work. I'm not too sure you will find anything that is going to be a satisfactory replacement, just a hunch:)

Cheers
Probably right Tubegroover. My audio buddies think they're miraculous. I call them Frankenstein mono blocks. Especially considering the variac ;)