Crack + Speedball working great then sparks from 6080? [resolved]

willemave · 1815

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Offline willemave

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on: July 28, 2015, 07:31:25 PM
Strangest thing happened today, I've been listening to my crack + speedball + film cap upgrade for probably 200 hours with no issues.  Then all of a sudden I turned it on and there was a loud pop from the 6080, I turned it off, waited a few minutes and tried to turn it on again and I saw some sparks in the 6080. 

Didn't want to damage anything so I'm decided to leave it off and ask the forum..  What could have caused this?  Voltage and everything had checked out just fine and it'd been working great for a quite a while?  I had just moved it to a new room and new power plug but I can't image a grounding issue caused this?  :o

Help appreciated.  Thanks!
« Last Edit: August 03, 2015, 05:44:13 AM by Caucasian Blackplate »


Offline willemave

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Reply #1 on: July 29, 2015, 12:15:24 PM
Quick update to this, ordered another 6080 and a 6SN7G replacement tubes, hopefully they show up soon.

Any other ideas though?


Online Doc B.

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Reply #2 on: July 29, 2015, 12:20:01 PM
6SN7G?

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.

Offline Strikkflypilot

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Reply #3 on: July 29, 2015, 05:59:03 PM
I had some sparks in a working Crack myself.
PB told me there might be some loose particle in the particular tube.
Haven't noticed it later.

Home system:
Sources: Ibasso DX90, Google Chromecast Audio optical out
DAC: Schiit Gumby
Amp: Bottlehead Mainline
http://bottlehead.com/smf/index.php?topic=7463.0
Phones: HD800S

Office:
Sources: Iphone/ Ipod
DAC: Dragonfly Red+Jtrbug
Amp: Crack/Speedball heavily modded
Phones: HD580,HD600 grilles

Offline willemave

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Reply #4 on: August 02, 2015, 09:22:11 AM
Sorry a 6AS7G. 

Just to close this out - might have been some loose particles or something in the Tungsol-Chatham original tube.  Tried with a RCA 6AS7G and a GE '5star' 6080 and voltages all check out within acceptable ranges.

Thanks for the help!


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