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Old 8th September 2012, 12:59 PM   #1
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Default 6N16B preamp

I want to make a linestage with 6N16B, I have found this schematic, could help me to see if have any issue or a way to upgrade it. More information in this link http://freestompboxes.org/viewtopic.php?f=2&t=9923, but I can see clearly the B+ & filament heater requirements.
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Last edited by merlin el mago; 8th September 2012 at 01:03 PM.
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Old 8th September 2012, 01:03 PM   #2
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that's guitar thing

besides that - I'm lazy to search for 6Н16Б datasheet
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Old 8th September 2012, 01:05 PM   #3
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6N16B | Tubes Information I want make it for HIFI.
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Old 8th September 2012, 01:13 PM   #4
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you need graphs
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Old 8th September 2012, 01:28 PM   #5
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Here the datasheet with graphs
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Old 8th September 2012, 01:52 PM   #6
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fancy to play with DN2540 CCS in anode ?
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Old 8th September 2012, 02:44 PM   #7
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I use Salas HV shunt regulator, suggestions to improve the schematic giving information B+ heaters voltage etc will welcome.
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Old 8th September 2012, 03:34 PM   #8
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try like this

Rout in range of 4K4
presumed load around 100K
use Ub in range of 120-130V

expect around 95V at anode

pre-set CCS to 5mA (I'm lazy to read datasheet toi determine exact resistor )

float heater supply and lift it to 30-40V

best to heat with LM317 based CCS , preset to 400mA , when tube is hot , set exactly to 6V3
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Old 8th September 2012, 04:10 PM   #9
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Quote:
Originally Posted by merlin el mago View Post
I want to make a linestage with 6N16B...
What are your requirements ?
- gain
- output impedance; low (cathode follower output) or higher (anode output)
- inverting or non-inverting construction
- low distortion or "tube sound" design
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Old 8th September 2012, 05:09 PM   #10
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Here is one with high performance, i.e. low distortion, flat frequency response and low output impedance. Technical specification is in the schematic.

Click the image to open in full size.

Kuva 26819 - Kuva.termiitti.com
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