Saturday, March 17, 2007

A Question of Quality

We hear it all the time, “I heard that Chinese equipment, in particular those tube amps, are a piece of junk – they are built like krap” or “Ha, buy one now, and buy one three years later” or how about someone trying to be polite, “Chinese equipment is of dubious quality and origin” But my all time favorite is, “The equipment is not made for 110v even though you can plug it straight into 110v” What??

Let me set the record straight: The origin of Chinese equipment is not dubious, its from China. As far as its quality goes, lets take a stroll down memory lane, shall we?

  • The Dayton Wright electrostatics arc’d themselves to smithereens given any good crescendo.
  • The Sonus Blue cartridge was held together with peanut butter and in the middle of a good Sheffield labs would self destruct with the cartridge body spinning around like it was on the mad tea cup ride at Disney.
  • Connect a solid state amplifier to an ARC SP-3A AC jack and you will smoke the SP-3's Scott transformer
  • You will need a good stiff beverage when your $8000 Beveridge amp smokes the main lens and cylinder
  • Once you arc your Quad ESL 57, its rip, rip, rip all the way home
  • Turning on your Audio Research D-90B was always a celebratory event: smoke and flames flying everywhere – better have Leonard on speed dial.
  • Ever wonder why there is not an Audio Research SP-6D? By the way, I am NOT picking on Audio Research here. I love them
  • “You mean to tell me that you still have a Magnepan tone arm that is still working”?
  • Or, “Oh yes, after a couple a years or so the Mylar glue weakens and you will have to send it back to us”
  • Clean your KLH 9s lately?
  • Who can forget the bass of the "flames" Linear 700, 700B or 400? Once you blew an output transistor, you were dead in the water until you replaced all of them
  • Any G.A.S. Ampzilla Meter.

And so on……

You see, high end equipment, like Jaguars, that push the state of the art are not the most quality driven things. All I can say is that my Dayton Wrights, Quads, Magenepans, Sonus Blue, Beveridges and ARC amps gave me years of pleasure. I hope your high end experience does the same for you. The truth of the matter, Chinese equipment is not any more or less quality oriented that some US made equipment. Owners who stock both Chinese and American gear will tell you that.

On another note, most of the quality opinions come from audiophile boards. Those authors are of dubious origin. Perhaps its fear, fear that a $4000 amp and $3000 CD player do not sound any better than a Ming Da $699 amp and a $499 Bada CD player. Hmmm. This industry is due for a good house cleaning and shake out.

All the best,

Vic

Wednesday, March 07, 2007

Those Mercurial 12AX7s



The 6922/6DJ8s are pretty normal acting preamplifier tubes. If they sound bad, they sound bad no matter what the application: preamp, tube buffer etc. Same with 12AT7s / 12AU7s

Not so with 12AX7s. 12AX7s are, well just plain weird.

Take the Sovtek 12AX7LPS. Its common knowledge that I am not a fan of Sovteks. My initial suspicion occurred when a guitar player said, “Yeah, I like those tubes, they distort the sound pretty good”! Ok – so this is where Vic and musicians part ways. The 12AX7LPS though is a phenomenally great preamp tube. It has a great low end and a warm midrange without smearing things together a la JJ Tesla. Place the same Sovtek 12AX7LPS’ in a Doge 6 CD player and it is just plain awful. Place them in the Shuguang CD player and it breaks free form its Jolida roots and sounds articulate. Put in back in the Ming Da MC 7R – don’t do it to me - yuch!

Then there is the GT Mallards Replicas. In the Doge, Shuguang and Ming Da amps, just wonderful. So So in the Doge 6 CD player and too much Jolida in the Shuguang CD player.

Then there is the JAN 12AX7WA - My favorite all around tube which even makes a C&Y*N amp (you do the math) sound good. So go figure. I have never heard these tubes sound bad, they sound good although do not have the spectacular presentation that the Mullards or Sovteks do.

The JJ Teslas do not excite me no matter where I put them.

I have not heard the Tung Sols – I know, I Know , I will let you know when I do.
Then, we also have the 5751s – yikes!

All the Best,

Vic