80W HiFi Amplifier
About the 80W HiFi Amplifier PCB
80W HiFi Amplifier is an open source PCB design by PeraZver, published on GitHub. It is a 2-layer board measuring 160 × 100 mm, with 80 components from 33 distinct parts.
By type, the board carries 36 resistors, 17 transistors, 12 capacitors, 8 connectors, 3 diodes and 2 fuses.
It belongs with the audio designs in this gallery.
From the project
From the book High Power Audio Amplifier Construction Manual Overal THD is approximately 0.001 %. 80 W RMS into the 8 Ohm speaker.
80W HiFi Amplifier bill of materials (BOM)
80 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | 2N5401 | TO-92_Inline | Q1, Q3, Q5, Q6, Q13 |
| 4 | 2N5551 | TO-92_Inline | Q2, Q4, Q7, Q12 |
| 4 | 2SD669 | TO-126-3_Vertical | Q8, Q10, Q11, Q14 |
| 2 | 2SB649 | TO-126-3_Vertical | Q9, Q15 |
| 1 | 2SA1302 | TO-3P-3_Vertical | Q16 |
| 1 | 2SC3281 | TO-3P-3_Vertical | Q17 |
| 8 | Conn_01x01 | 216843-1 | J1, J2, J3, J4, J5, J6, J7, J8 |
| 2 | Fuse | Fuseholder_Cylinder-5x20mm_Schurter_0031_8201_Horizontal_Open | F1, F2 |
| 1 | 1K | Potentiometer_Piher_PT-10-V10_Vertical | RV1 |
| 3 | 1N4148 | D_DO-34_SOD68_P10.16mm_Horizontal | D1, D2, D3 |
| 1 | 1u | L_Axial_L29.9mm_D14.0mm_P38.00mm_Horizontal_Vishay_IHA-105 | L1 |
| 3 | 47u | CP_Radial_D10.0mm_P5.00mm | C1, C2, C5 |
| 2 | 220u | CP_Radial_D22.0mm_P10.00mm_SnapIn | C3, C4 |
| 1 | 220u | CP_Radial_D10.0mm_P5.00mm | C6 |
| 1 | 150p | C_Rect_L10.0mm_W3.0mm_P7.50mm_MKS4 | C7 |
| 1 | 5p | C_Disc_D6.0mm_W2.5mm_P5.00mm | C8 |
| 1 | 300p | C_Rect_L10.0mm_W3.0mm_P7.50mm_MKS4 | C9 |
| 3 | 100n | C_Rect_L10.0mm_W4.0mm_P7.50mm_MKS4 | C11, C12, C13 |
| 8 | 100R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R5, R19, R20, R23, R24, R31, R32 |
| 2 | 68R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R6 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 150R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 4 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R8, R9, R11 |
| 5 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7, R14, R15, R16, R17 |
| 2 | 330R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10, R12 |
| 1 | 2K2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13 |
| 1 | 820R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R18 |
| 1 | 15R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R21 |
| 1 | 47R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R22 |
| 2 | 15K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R25, R28 |
| 2 | 120R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R26, R27 |
| 2 | 270R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R29, R30 |
| 2 | 0R22 | R_Radial_Power_L13.0mm_W9.0mm_P5.00mm | R33, R34 |
| 2 | 10R | R_Axial_DIN0516_L15.5mm_D5.0mm_P30.48mm_Horizontal | R35, R36 |
80W HiFi Amplifier design files
The KiCad project lives in the PeraZver/80W-Audio-Amplifier repository on GitHub; these links point at the commit this page was built from.
- LayoutAudioAmp.kicad_pcb
80W HiFi Amplifier: common questions
How big is the 80W HiFi Amplifier PCB?
The 80W HiFi Amplifier measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 80W HiFi Amplifier?
80 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the 80W HiFi Amplifier design files?
From the PeraZver/80W-Audio-Amplifier repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 80W HiFi Amplifier design in my own project?
The repository has no license, so all rights stay with PeraZver. Use it as a reference, and ask the author before reusing the design.
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