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Old 18th September 2014, 12:58 PM   #1
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Default Pass F5 as a headphone amp?

Forgive what may be a silly question, but my technical knowledge didn't extend beyond a painting by numbers assembly of the F5.

I have purchased some Beyerdynamic T90 headphones (spec below) and was wondering if I can just wire directly from the RCA outs to a female headphone jack.

Many thanks for any pointers or clever suggestions involving resistors.


Transmission type Wired
Headphone design (operating principle) Open
Headphone impedance 250 ohms
Headphone frequency response 5 - 40,000 Hz
Nominal sound pressure level 102 dB (1 mW / 500 Hz)
Construction Circumaural (around the ear)
Cable & plug Gold vaporised mini stereo jack plug (3.5 mm) & 1/4" adaptor (6.35 mm)
Net weight without packaging 425 g
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Old 19th September 2014, 06:00 AM   #2
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I suggest you this thread:
F5 Headphone Amp
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Old 19th September 2014, 06:04 AM   #3
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F5 with 2SK2013/2SJ313
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Old 19th September 2014, 12:35 PM   #4
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Perhaps something like this?

Headphone Adaptor for Power Amplifiers
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Old 19th September 2014, 05:09 PM   #5
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Awesome reply Dennis - you've hit the nail on the head.
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