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News: Come see us February 11, 8-5 at the Head-Fi meet at the Burlingame Double Tree Hotel, Burlingame, CA. We'll be bringing lots of headphones and amps, and our prototype tube DAC used with our music server and the latest version of Amarra.

www.head-fi.org/t/584924/official-2012-bay-area-meet-thread-california-february-11th-saturday
 
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Bottlehead Forum > Bottlehead Kits > Quickie > quickie headphone conversion ipedance question
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Author Topic: quickie headphone conversion ipedance question  (Read 615 times)
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balancedtriode
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« on: June 14, 2010, 04:29:54 PM »
i am building a quickie to get a feel for bottlehead kits, what is the minimum impedance of headphones needed to be effectively driven by a quickie amp modified for headphone use with speco T-7010 transformers?
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Caucasian Blackplate
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« Reply #1 on: June 15, 2010, 11:03:52 AM »
250+ ohms is a good idea, although I've gotten decent results down around 100.
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Paul "PB" Birkeland

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