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Electrostatic Boombox
Electrostatic Boombox
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Old 21st June 2017, 10:38 AM   #1
janosch simon is offline janosch simon
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Join Date: Jun 2017
Lightbulb Electrostatic Boombox

Hey there my name is janosch simon i love diy stuff and over at head-fi i started my electrostatic headphone project :-) and since i started with esl im intrigued by a boombox with electrostats just like the BenQ treVolo Wireless Bluetooth Portable Electrostatic Speaker | BenQ Global but with better bass :-)
and perhabs curved panels hmmm.

has any of you tried something similar? i need to start from ground but i think this could be an very exciting project
here is the stuff i need to do research on:
-curved ESL
-controller/player (guess i will use raspberry and volumio)

cheers janosch
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Old 6th July 2017, 09:49 PM   #2
Andersonix is offline Andersonix  Sweden
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Location: Marin County, California
Electrostatic Boombox
Thanks for bringing this new tiny ~$300 ESL to our attention.
Seems its main problem is it can't play loud enough without DSP compression kicking in, and the midwoofers are not good enough....?
Here's what it looks like.
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File Type: jpg BenQ trevolo esl.jpg (123.0 KB, 111 views)
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Old 6th July 2017, 10:26 PM   #3
kevinkr is offline kevinkr  United States
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Location: Boston, Massachusetts
Electrostatic Boombox
I think small single ended electrostatic tweeters would be fairly easy for a skilled diyer to make - see some old Zenith and GE radios (must be some in Europe too) for inspiration.

HV could come from an inexpensive HV switcher commonly available on eBay.
"To argue with a person who has renounced the use of reason is like administering medicine to the dead." - Thomas Paine
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Old 7th July 2017, 05:33 AM   #4
janosch simon is offline janosch simon
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Join Date: Jun 2017
hey there my diy elecostatic headphones turn out stunning :-) so the mids and highs are even with my prototyp amazing! but the bass is so lala :-) questions is if i then try to build a hybrid with a classic woofer and the esl panel for mids and highs. what size of a woofer would you suggest and what typ of case?

cheers janosch
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