2 layers68 × 89 mm
ParanoiaBox
profdc9/ParanoiaBox
A standalone elliptic curve/AES file encryption and decryption device
60 parts17
2 layers248.2 × 131 mm
DA PP 6S19P 6Z38P Soco2
audiyofan/Soco216S19P push pull amplifier
- Size
- 248.2 × 131 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 52
- Pads
- 194
- Tracks, vias
- 364, 7
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 22 Dec 2012
- Updated
- 14 Apr 2014
Overview
DA PP 6S19P 6Z38P Soco2 is an open-source printed circuit board by audiyofan, from the audiyofan/Soco2 repository on GitHub. It is a 2-layer board of 248.2 × 131 mm with 94 parts on 52 nets, routed with 364 tracks and 7 vias.
It is built around the UF4007. Its parts include 27 resistors, 15 diodes, 14 capacitors, 4 ICs and 3 transistors. It belongs with the audio and music boards of this library.
Main components
1README
README.rst========================= SOCO2 PUSH PULL AMPLIFIER
Project authors:
- Pascal Benoist
- Grégoire Hubert
- Christophe Dedessus Les Moutier
- Yves Monmagnon
More information here http://www.audiyofan.org/forum/viewtopic.php?f=60&t=8371
Presentation
Soco2 is a valve push-pull type amplifier delivering 10W in 8ohms with a low output impedance. It uses cheap Russian 6C19Π low impedance triodes as output valve and can be used without global feedback.
The built_version
The project was made on printed circuit board ( all files are included in Kicad folder )
This version does not use the PNK,
And the 6S19P's CCS is decoupled and has zener protection that prevents slippage cathode voltage on the higer swing
Power is succinct and yet respects the constants time
Local feedback of -1 dB, improve the damping factor
.. image:: built_version/schematics/Soco2_built_amp.png .. image:: built_version/schematics/Soco2_built_psu.png
Warning
This schematic implies the use of lethal voltages. Maximum precautions must be observed when working with this kind of high voltages. Authors are not responsible in any way for any problems, damages or injuries that would result in the making of the work and / or use of this schematic (see LICENCE file).
Results
Realisations emitted very natural, detailed and transparent sound with nice deep bass using speakers as low as 90dB/W/m. Measures showed -74dB THD for 1/2W output and -65dB THD for 1W (H2 and H3) with matched tubes. Output can reach 13W with -40dB THD in 8Ω.
.. image:: build/schematics/amplifier.png .. image:: build/schematics/psu.png
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | CONN | 1pin | AP2, AT1, AT2, CR1, GEP1, GEP2, GNDP1, GNDP2, GNDP3, GNDT1, GT1, GT2, KP1, KP2, KT1, KT2 |
| 8 | UF4007 | D4 | D2, D3, D4, D5, D7, D8, D9, D10 |
| 4 | 47K | R7 | R8, R9, R11, R12 |
| 4 | FIX | 1pin | FIX1, FIX2, FIX3, FIX4 |
| 4 | ZENER 65V | D5 | D6, D13, D14, D15 |
| 3 | 220K | R4-LARGE_PADS | R10, R13, R14 |
| 2 | 10 | R4-LARGE_PADS | R19, R20 |
| 2 | 100n | cnp_18x8mm | C2, C3 |
| 2 | 100µ | CP_26x31mm | C10, C11 |
| 2 | 150 | R4-LARGE_PADS | R15, R16 |
| 2 | 180 | R6 | R23, R24 |
| 2 | 1K | R4-LARGE_PADS | R3, R33 |
| 2 | 1µ | cnp_18x8mm | C6, C7 |
| 2 | 220µ | CP_22x41mm | C4, C5 |
| 2 | 470 | R4-LARGE_PADS | R5, R6 |
| 2 | 6S19P | VALVE-NOVAL_M | U4, U5 |
| 2 | 6Z38P | VALVE-MINI_G | U2, U3 |
| 2 | 82K | R4-LARGE_PADS | R17, R18 |
| 2 | CONN_HT | mors_2p | L-ALIM1, R-ALIM1 |
| 2 | HEATSINK_TO220 | hs_5770 | HS1, HS2 |
| 2 | MJE340V | TO126V-ECB | Q1, Q2 |
| 1 | 100 | R7 | R31 |
| 1 | 100K | R4-LARGE_PADS | R4 |
| 1 | 100µ | CP_26x45mm | C8 |
| 1 | 1µ | CP_16x25mm | C12 |
| 1 | 1µ | CP_5x11mm | C1 |
| 1 | 220 | R4-LARGE_PADS | R1 |
| 1 | 220K | R6 | R22 |
| 1 | 220µ | CP_26x45mm | C9 |
| 1 | 22µ | CP_10x25mm | C15 |
| 1 | 390 | R4-LARGE_PADS | R32 |
| 1 | 47 | R7 | R21 |
| 1 | 470µ | CP_13x25mm | C14 |
| 1 | 47K | R4-LARGE_PADS | R2 |
| 1 | 76K | R4-LARGE_PADS | R7 |
| 1 | CONN_AC | mors_2p | Main_AC1 |
| 1 | CONN_AC2 | mors_2p | Main_AC2 |
| 1 | CONN_CHASSIS | 1pin | CHASSIS1 |
| 1 | CONN_GND | 1pin | GND1 |
| 1 | CONN_GNDE | 1pin | AP1 |
| 1 | CONN_HT | 1pin | P3 |
| 1 | CONN_VCC- | 1pin | P1 |
| 1 | LED | LED-5MM | D12 |
| 1 | PN4392 | TO92GSD | Q5 |
| 1 | ZENER 6V2 | D4 | D1 |
| 1 | ZENER12V | D4 | D11 |
Questions
How big is the DA PP 6S19P 6Z38P Soco2 PCB?
It measures 248.2 × 131 mm and has 2 copper layers, 1.6 mm thick.
What parts does the DA PP 6S19P 6Z38P Soco2 use?
94 parts, built around the UF4007. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the DA PP 6S19P 6Z38P Soco2 KiCad files?
From the audiyofan/Soco2 repository on GitHub, at the commit this page was made from: the board is built_version/Kicad_source/DA_PP_6S19P_6Z38P_Soco2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the DA PP 6S19P 6Z38P Soco2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask audiyofan before reusing the design.
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