Volumebuffer
About the Volumebuffer PCB
Volumebuffer is an open source PCB design by maqifrnswa, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 59.2 × 36.1 mm, with 31 components from 11 distinct parts.
Other key parts include the TL074 and TL072. By type, the board carries 16 resistors, 10 capacitors, 2 ICs and 2 connectors.
It belongs with the audio and test & measurement designs in this gallery.
From the project
Scimpy Speaker Design Tool
.. image:: https://ci.appveyor.com/api/projects/status/nbab5l0lkaqwie2u?svg=true :width: 100 :target: https://ci.appveyor.com/project/maqifrnswa/scimpy :alt: Appveyor build status
Scimpy is an open-source, cross-platform loudspeaker design tool. Features include:
* Modeling speaker impedance, phase, SPL, and group delay from TS Parameters
* Measuring speaker impedance using your sound card as a signal generator and data acquisition system
Main components on the Volumebuffer
Volumebuffer bill of materials (BOM)
31 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm | U1 |
| 1 | TL072 | DIP-8_W7.62mm | U2 |
| 1 | CONN_01X07 | Socket_Strip_Angled_1x07 | P1 |
| 1 | CONN_01X03 | TerminalBlock_Pheonix_MKDS1.5-3pol | P2 |
| 1 | DUAL_POT | Molex_KK-6410-06_06x2.54mm_Straight | RV1 |
| 4 | 100n | C_Disc_D3_P2.5 | C1, C4, C6, C8 |
| 6 | 100n | C_Disc_D6_P5 | C2, C3, C5, C7, C9, C10 |
| 8 | 2K2 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4, R10, R11, R12, R13 |
| 4 | Rph | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R5, R6, R15, R16 |
| 2 | Rbs1 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R7, R9 |
| 2 | Rbs2 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R8, R14 |
Volumebuffer design files
The KiCad project lives in the maqifrnswa/scimpy repository on GitHub; these links point at the commit this page was built from.
Volumebuffer: common questions
How big is the Volumebuffer PCB?
The Volumebuffer measures 59.2 × 36.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Volumebuffer?
31 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Volumebuffer design files?
From the maqifrnswa/scimpy repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Volumebuffer design in my own project?
Yes, under the terms of its GPL-3.0 license, which maqifrnswa chose for the repository.
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