Tht opamp eq
About the Tht opamp eq PCB
Tht opamp eq is an open source PCB design by 1999AZZAR, published on GitHub under the MIT license. It is a 2-layer board measuring 88 × 61 mm, with 24 components from 17 distinct parts.
Other key parts include the MCP6004. By type, the board carries 3 connectors, 1 IC and 1 diode.
It belongs with the audio designs in this gallery.
From the project
Autonomous, end-to-end KiCad PCB design skill for AI coding agents (Antigravity, Claude Code, Codex). Headless automation via kicad-cli & pcbnew, DRC verification, and JLCPCB manufacturing exports.
An ultra-compact, high-fidelity, 100% Through-Hole (THT) stereo audio equalizer and headphone/line preamplifier designed for 3.3V battery or single-supply operation.
Zero surface-mount components. Optimized for hand soldering, DIY audio gear, portable headphone setups, and custom instrument tone shaping.
All 51 components are through-hole parts readily sourced from LCSC, Mouser, Digikey, or local electronics suppliers:
Main components on the Tht opamp eq
Tht opamp eq bill of materials (BOM)
24 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP6004 | DIP-14_W7.62mm | U1 |
| 1 | AUDIO_IN | Jack_3.5mm_Ledino_KB3SPRS_Horizontal | J1 |
| 1 | AUDIO_OUT | Jack_3.5mm_Ledino_KB3SPRS_Horizontal | J2 |
| 1 | BAT_3V3 | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 2 | 47nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C_BASS_L1, C_BASS_R1 |
| 1 | 47uF | CP_Radial_D5.0mm_P2.00mm | C_BIAS1 |
| 2 | 100nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C_BIAS2, C_PWR2 |
| 2 | 22nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C_MID_L1, C_MID_R1 |
| 1 | 100uF | CP_Radial_D5.0mm_P2.00mm | C_PWR1 |
| 4 | 2.2nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C_TREB_L1, C_TREB_L2, C_TREB_R1, C_TREB_R2 |
| 1 | VOL | Potentiometer_Alpha_RD902F-40-00D_Dual_Vertical_CircularHoles | RV1 |
| 1 | BASS | Potentiometer_Alpha_RD902F-40-00D_Dual_Vertical_CircularHoles | RV2 |
| 1 | MID | Potentiometer_Alpha_RD902F-40-00D_Dual_Vertical_CircularHoles | RV3 |
| 1 | TREBLE | Potentiometer_Alpha_RD902F-40-00D_Dual_Vertical_CircularHoles | RV4 |
| 1 | BAL | Potentiometer_Alpha_RD902F-40-00D_Dual_Vertical_CircularHoles | RV5 |
| 2 | 47k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R_BIAS1, R_BIAS2 |
| 1 | PWR_LED | LED_D3.0mm | D1 |
Tht opamp eq design files
The KiCad project lives in the 1999AZZAR/pcb-skill repository on GitHub; these links point at the commit this page was built from.
Tht opamp eq: common questions
How big is the Tht opamp eq PCB?
The Tht opamp eq measures 88 × 61 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Tht opamp eq?
24 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Tht opamp eq design files?
From the 1999AZZAR/pcb-skill repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Tht opamp eq design in my own project?
Yes, under the terms of its MIT license, which 1999AZZAR chose for the repository.
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