DIY Audio General - stuff you're making, tips, advice sought, etc


#202

Probably just failed mechanically - they do seem to jam internally quite often.

VB


#203

Yes, because baboons. :smile:


#204

Yes, because NOT baboons :angry:


#205

Yeah. You baboon!!


#206

Stop it!

(It’s unfair to baboons)


#207

Beck Electroakustik Mk 1 Tube tester. €520


#208

Valve tester


#209

Only seems to measure current draw, doesn’t measure mutual conductance (effectively gain)

While knowing current draw is handy for matching power valves it isn’t so helpful for small signal (pre-amp) valves.


#210

image

IPC/Western Electric mc/mm Phono Stage.

$1200 from Japan.image


#211

And another £1200 to ramp it up properly to 240v from 100…


#212

My second pair of Supravox 165-2000 drivers are back, turned out they wanted to make a whole new batch due to mis-alignment between the voice coil and magnet.
Now very closely matched, and improved sensitivity.


Supravox 165-2000 (2-A) by Robert Seymour, on Flickr

Supravox 165-2000 (2-B) by Robert Seymour, on Flickr

Running them in with a mix of 20Hz sine wave and Orbital :sunglasses:


#213

New SUT for @chelseadave Quick project before Christmas.



#214

Epic!


#215

Fantastic piece of work but where does one mount the reels ?


#216

:weary:


#217

Fucking hell, bigger than many phono stages :rofl:

Nice one, looks fab.


#218

Nice, but would look better in gunmetal :grinning:


#219

Nicely done. Is it complete?


#220

That looks great Pete. For some reason it reminds me of this:
image

Is it possibly a Ku-brick2001?


#221

What’s the internal box made from?

Mu metal?