Temperature of the tubes when running Crack?

rhoninkor · 1173

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Offline rhoninkor

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on: October 02, 2019, 08:29:54 AM
Dear BH community:
I have just finished building the crack amp (without Speedball upgrade), it passed all the resistance and voltage tests, and plugging my HD650 I immediately got beautiful sound out of it. But I have one concern: the power tube (larger one I assume?) gets pretty hot (I can feel the heat with my hand being 5mm above the tube) after running for 10 mins or so. Even the metal base plate becomes warm (not hot, approximately 45 C degree-ish). I installed the 4 feet for the amp. I want to ask if this temperature of the tube and base plate is normal? Thanks!


Deke609

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Reply #1 on: October 02, 2019, 08:36:58 AM
Yeah, tubes get hot. I could heat my bedroom in the winter with my BeePre and Kaiju (they get HOT). Since you passed the voltage checks, I'd relax and enjoy the music.

cheers, Derek


Offline oguinn

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Reply #2 on: October 02, 2019, 09:05:13 AM
Yeah, the tubes are going to get hot. No worries there.

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball

Offline rhoninkor

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Reply #3 on: October 02, 2019, 02:07:12 PM
Thanks for the confirmation guys! I'm gonna burn the set in for a week and install the speedball upgrade then!


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