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DIY tube preamp kit
DIY tube preamp kit
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Old 26th September 2021, 04:34 PM   #1
Thepinguin is offline Thepinguin
diyAudio Member
Join Date: Aug 2020
Default DIY tube preamp kit

Hi all

Could someone point me to a qualitative tube preamp kit at a good price?

I would be using it in front a hypex amps
I just need one IN to connect a dac

In finish products, i have only seen some expensive tube preamps

Or i coud go route of chinese preamps such as fx audio 06 or douk audio P1, what are worth are these?

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Old 26th September 2021, 04:57 PM   #2
Eli Duttman is offline Eli Duttman  United States
diyAudio Member
Join Date: Apr 2004
Location: Monroe Township, NJ
"Standard" digital playback devices produce a 2 VRMS max. signal. What voltage is needed to drive the power amplification stuff to full O/P? If, as is often the case, the drive needed is less than 2 VRMS, no line stage gain, whatsoever, is in order.

Getting the gain structure squared away, before recommendations are made, is in order.
Eli D.
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Old 26th September 2021, 04:59 PM   #3
rayma is offline rayma  United States
diyAudio Member
Join Date: Apr 2011
What voltage gain does your amplifier have? Electrically, you may only need 0dB gain,
and if so either a unity gain buffer, or just a 10k volume control would be fine.
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Old 27th September 2021, 02:48 PM   #4
nikon f is offline nikon f  United States
diyAudio Member
Join Date: Aug 2013
Location: California
Bottlehead Moreplay 6V6 preamp kit. Fun to build, almost moron proof assembly instructions and best of all sounds fantastic!
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