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Eden General / Re: VT300A History
« Last post by Bassmann1968 on April 21, 2019, 11:06:55 AM »
Hi Paul,
I have to check my docs, but I think only the Koch could run the EL34’s and the 6550‘s.
Eden had a cooperation with Koch. Most part is indeed a Koch K2500, but I think the preamp had bigger differences.
Rock on!
Eden General / VT300A History
« Last post by Paulinderwick on April 21, 2019, 05:49:06 AM »
Just read the following on a 'for sale' site - is this true?

"The Eden VT series were designed and made in Holland by Koch when Eden first decided they needed a line of valve amps. The models a, b and c were all basically the same amp but with small tweaks made throughout the production. This particular model a is more like the model b with different jacks from earlier a’s and a tweaked back panel. Koch designed and built these amps in Holland with all the same components they used on the Koch branded amps.

Interestingly the design, build and components for the Eden VT300 and Sadowsky SA200 are only separated by two differences. The Sadowsky only uses EL34’s where the Eden will run both 34’s and 6550’s making it switchable from 200 to 300 watts. The other difference is a slightly different voiced preamp. Saving £1k for more headroom and more footswitchable options isn’t bad."

just wondering...
Eden General / Re: WTDI issue ?
« Last post by Bassmann1968 on April 20, 2019, 04:56:02 AM »
Could be a problem with the Gain pot or the first OP amp.
I would change them first.
Eden General / Re: WTDI issue ?
« Last post by PaowZ on April 18, 2019, 03:08:02 PM »
Hi Bassmann !

Thank you for your reply :)

Yes, weirdly, jacks are deep-plugged in, leaving a little gap between the connector and the embase of the jacks..
Actually, when I switch off the bypass (red light is then off and the preamp is on) I can hear a very low signal lost in the hum when I turn the gain knob all the way up..  I can also notice tone change when I fiddle with the eq knobs, but that's all..
It sounds like a preamp chip has died but I can't see anything on the pcb.. :/
Eden General / Re: WTDI issue ?
« Last post by Bassmann1968 on April 18, 2019, 07:11:13 AM »
is your plug all the way in?
Rock on!
Eden General / WTDI issue ?
« Last post by PaowZ on April 18, 2019, 05:17:42 AM »

Hello there !

Feel free to move my topic if I'm in the wrong section..

I'm struggling with my WTDI which is malfunctioning. I can turn it on, the blue led is on but I'm getting no signal at all. I then decided to open it up and try to figure out whether I could see any burnt component or blown-up capacitors with no success so far.
Before I throw it away, I wondered if you guys would have some clues or ideas to test/check..

I thank you a lot !


Post Your Next Gig / Rivercitypartyband
« Last post by dbsfgyd1 on April 16, 2019, 06:20:01 PM »
The River City Party Band ( will be bringing out our dance sets this weekend at Enzo’s in Centerville Va Saturday. Outstanding food and plenty of space to hoof it!
Listen to my Eden Rig / Re: Rip Van Dan with J Badders Band
« Last post by Rip Van Dan on April 16, 2019, 05:24:10 PM »
Wow, glad you caught it.  That triponin level elevates as a heart attack is starting...scary stuff!

Listen to my Eden Rig / Re: Rip Van Dan with J Badders Band
« Last post by dbsfgyd1 on April 14, 2019, 06:38:07 PM »
Dan, what was scary with mine was I had no heart attack symptoms. No shooting pains down the arms, no chest pains, no sweats, no shortness of breath. EKG was normal pulse rate and O2 sat was normal. Just a little throb in the throat, though I had a little gird thing going on. When the up GI test came back negative, the ran another blood test which found the triponin levels were elevated and rushed me to the catch lab.

Glad Von is back in the saddle. As Armin would say, “Rock on!”!
Listen to my Eden Rig / Re: Rip Van Dan with J Badders Band
« Last post by Rip Van Dan on April 14, 2019, 11:54:46 AM »
Hey dbsfgyd1,
Thanks for the kind words!  I've always liked that bass part from the time that it came out back in 1967.  Didn't have a hope of pulling it off back then.  It's really a fun song to play!

Yeah our drummer Von had a stint put in without cracking his chest and then was told they'd have to crack his chest open to get the rest of them - had 3 others.  One was around 80% blocked  and the other two were around 50%.  Checked with another doc and after looking at the X-ray dye shots, he said he could do that no problem, but no need to mess with the ones around 50%  Diet, drugs, and exercise would keep them from getting worse.

So the "second opinion" doc did the second stint with no problems and Von is back playing drums again.  We had a 3-hour gig last night, which is the most he's played since then, and he had no problem at all.  So his recovery is going along fine.  He considers himself recovered.

Glad to hear you found your blockage first.  A 93% blockage is pretty darn blocked.  Glad they caught it. They had to re-start Von on the way to the hospital.  Definitely not something to aspire to...

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