SloRectoTwin
About the SloRectoTwin PCB
SloRectoTwin is an open source PCB design by megaumnick, published on GitHub. It is a 2-layer board measuring 268.5 × 74.3 mm, with 236 components from 124 distinct parts.
Other key parts include the ECC83, EL34, TL062, L7812 and LM386. By type, the board carries 99 resistors, 76 capacitors, 13 ICs, 13 diodes, 7 connectors and 4 relays.
Main components on the SloRectoTwin
SloRectoTwin bill of materials (BOM)
236 components, 124 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | ECC83 | socket_gzc9-b | U1, U2, U3, U5 |
| 4 | EL34 | Valve_Octal | U4, U6, U12, U13 |
| 3 | TL062 | DIP-8_W7.62mm | U7, U8, U9 |
| 1 | L7812 | TO-220-3_Vertical | U10 |
| 1 | LM386 | DIP-8_W7.62mm | U11 |
| 2 | BF245A | TO-92L_Inline_Wide | Q1, Q2 |
| 1 | PreampOut | Jack_6.35mm_Neutrik_NMJ4HCD2_Horizontal | J1 |
| 1 | In | Jack_6.35mm_Neutrik_NMJ6HCD2_Horizontal | J2 |
| 1 | Send | Jack_6.35mm_Neutrik_NMJ4HCD2_Horizontal | J3 |
| 1 | Return | Jack_6.35mm_Neutrik_NMJ4HCD2_Horizontal | J4 |
| 1 | LineOut | Jack_6.35mm_Neutrik_NMJ4HCD2_Horizontal | J7 |
| 1 | Cab/Phones | Jack_6.35mm_Neutrik_NMJ6HCD2_Horizontal | J8 |
| 1 | Footswitch | Jack_6.35mm_Neutrik_NMJ6HCD2_Horizontal | J9 |
| 2 | CR/LD | Relay_DPDT_Omron_G5V-2 | K1, K4 |
| 2 | CL/DR | Relay_DPDT_Omron_G5V-2 | K2, K3 |
| 3 | B250K B250k | Potentiometer_Piher_T-16H_Single_Horizontal | RV1, RV5, RV12 |
| 10 | A1M | Potentiometer_Piher_T-16H_Single_Horizontal | RV2, RV4, RV7, RV8, RV9, RV11, RV13, RV14 +2 |
| 2 | A250K A250k | Potentiometer_Piher_T-16H_Single_Horizontal | RV3, RV15 |
| 1 | B10K B10k | Potentiometer_Piher_T-16H_Single_Horizontal | RV6 |
| 2 | B25K B25k | Potentiometer_Piher_T-16H_Single_Horizontal | RV10, RV18 |
Show 104 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | B50K B50k | Potentiometer_Piher_T-16H_Single_Horizontal | RV17 |
| 1 | B25K B25k | Potentiometer_Omeg_PC16BU_Vertical | RV19 |
| 1 | Bright | PinSocket_1x02_P2.54mm_Vertical | SW1 |
| 1 | SW_Push_DPDT | SW_NKK_G1xJP | SW8 |
| 13 | 1N4007 | D_A-405_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +5 |
| 2 | 220P 220p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1, C2 |
| 3 | 47N 47n | C_Rect_L13.0mm_W3.0mm_P10.00mm_FKS3_FKP3_MKS4 | C3, C6, C15 |
| 1 | 100N 100n | C_Rect_L13.0mm_W3.0mm_P10.00mm_FKS3_FKP3_MKS4 | C4 |
| 1 | 470P 470p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C5 |
| 2 | 22UF 22uF | CP_Radial_D5.0mm_P2.50mm | C7, C29 |
| 7 | 22N 22n | C_Rect_L13.0mm_W3.0mm_P10.00mm_FKS3_FKP3_MKS4 | C8, C13, C14, C19, C26, C27, C33 |
| 3 | 100N 100n | C_Rect_L18.0mm_W6.0mm_P15.00mm_FKS3_FKP3 | C9, C34, C37 |
| 1 | 1000P 1000p | C_Rect_L26.5mm_W7.0mm_P22.50mm_MKS4 | C10 |
| 1 | 4N7 4n7 | C_Rect_L10.0mm_W4.0mm_P7.50mm_FKS3_FKP3 | C11 |
| 1 | 470P 470p | C_Rect_L10.0mm_W3.0mm_P7.50mm_FKS3_FKP3 | C12 |
| 2 | 1000P 1000p | C_Rect_L10.0mm_W4.0mm_P7.50mm_FKS3_FKP3 | C16, C32 |
| 2 | 47N 47n | C_Rect_L18.0mm_W6.0mm_P15.00mm_FKS3_FKP3 | C17, C36 |
| 2 | 1UF 1uF | CP_Radial_D8.0mm_P3.50mm | C18, C35 |
| 1 | 470UF 470uF | CP_Radial_D8.0mm_P3.80mm | C20 |
| 1 | 680P 680p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C21 |
| 1 | 100N 100n | C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C22 |
| 1 | 1UF 1uF | C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C23 |
| 1 | 100N 100n | C_Rect_L10.0mm_W3.0mm_P7.50mm_FKS3_FKP3 | C24 |
| 1 | 2200P 2200p | C_Rect_L10.0mm_W3.0mm_P7.50mm_FKS3_FKP3 | C25 |
| 1 | 47PF 47pF | C_Disc_D10.5mm_W5.0mm_P7.50mm | C28 |
| 1 | 470N 470n | C_Rect_L13.0mm_W3.0mm_P10.00mm_FKS3_FKP3_MKS4 | C30 |
| 1 | 220N 220n | C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C31 |
| 2 | 10N 10n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C38, C50 |
| 2 | 10UF 10uF | CP_Axial_L18.0mm_D8.0mm_P25.00mm_Horizontal | C39, C40 |
| 4 | 47UF 47uF | CP_Radial_D18.0mm_P7.50mm | C41, C60, C61, C62 |
| 6 | 1n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C42, C43, C47, C48, C57, C58 |
| 5 | 2N2 2n2 | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C44, C51, C52, C63, C64 |
| 2 | 22N 22n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C45, C46 |
| 1 | 2.2UF 2.2uF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C49 |
| 4 | 4N7 4n7 | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C53, C54, C55, C56 |
| 1 | 200UF 200uF | CP_Radial_D25.0mm_P10.00mm_SnapIn | C59 |
| 2 | 330P 330p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C65, C66 |
| 2 | 100N 100n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C67, C71 |
| 2 | 100UF 100uF | CP_Radial_D10.0mm_P5.00mm | C68, C77 |
| 1 | 220N 220n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C72 |
| 1 | 100UF 100uF | CP_Radial_D5.0mm_P2.50mm | C73 |
| 1 | 220UF 220uF | CP_Radial_D8.0mm_P3.80mm | C74 |
| 1 | 47N 47n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C75 |
| 1 | 10UF 10uF | CP_Radial_D8.0mm_P3.50mm | C76 |
| 1 | 2200UF 2200uF | CP_Radial_D10.0mm_P5.00mm | C78 |
| 2 | 68K 68k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R88 |
| 3 | 100K 100k | R_Axial_DIN0309_L9.0mm_D3.2mm_P25.40mm_Horizontal | R2, R8, R27 |
| 3 | 100K 100k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3, R14, R47 |
| 1 | 33K 33k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4 |
| 4 | 220K 220k | R_Axial_DIN0309_L9.0mm_D3.2mm_P25.40mm_Horizontal | R5, R9, R10, R22 |
| 1 | 1K5 1k5 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R6 |
| 1 | 39K 39k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R7 |
| 1 | 330K 330k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R11 |
| 4 | 470K 470k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R12, R32, R46, R84 |
| 4 | 2K2 2k2 | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R13, R52, R94, R95 |
| 3 | 1K8 1k8 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R15, R35, R51 |
| 1 | 220K 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16 |
| 1 | 68K 68k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R17 |
| 1 | 430K 430k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R18 |
| 3 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R19, R29, R40 |
| 3 | 10K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R20, R37, R83 |
| 2 | 82K 82k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R21, R80 |
| 2 | 1M | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R23, R30 |
| 1 | 39K 39k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R24 |
| 1 | 47K 47k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R25 |
| 4 | 470 | R_Axial_DIN0614_L14.3mm_D5.7mm_P20.32mm_Horizontal | R26, R44, R98, R99 |
| 1 | 39K 39k | R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R28 |
| 4 | 1R | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R31, R39, R96, R97 |
| 1 | 10K 10k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R33 |
| 1 | 470 | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R34 |
| 2 | 2M2 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R36, R50 |
| 2 | 100K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R38, R73 |
| 1 | 2K4 2k4 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R41 |
| 4 | 15K 15k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R42, R54, R57, R62 |
| 1 | 1M | R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R43 |
| 1 | 680K 680k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R45 |
| 1 | 100K 100k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R48 |
| 1 | 220K 220k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R49 |
| 1 | 4K7 4k7 | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R53 |
| 1 | 56K 56k | R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R55 |
| 1 | 240K 240k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R56 |
| 1 | 18K7 18k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R58 |
| 4 | 20K 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R59, R65, R66, R69 |
| 1 | 200K 200k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R60 |
| 1 | 10K 10k | R_Axial_DIN0309_L9.0mm_D3.2mm_P25.40mm_Horizontal | R61 |
| 2 | 22K 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R63, R64 |
| 1 | 12.7K 12.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R67 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R68 |
| 3 | 36K 36k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R70, R76, R77 |
| 1 | 82K 82k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R71 |
| 1 | 6.2K 6.2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R72 |
| 1 | 11K 11k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R74 |
| 1 | 15K 15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R75 |
| 2 | 24K 24k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R78, R79 |
| 1 | 6K8 6k8 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R81 |
| 1 | 820 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R82 |
| 1 | 150 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R85 |
| 1 | 100 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R86 |
| 1 | 1K8 1k8 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R87 |
| 1 | 4K12 4k12 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R89 |
| 1 | 470K 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R90 |
| 1 | 68K 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R91 |
| 1 | 10 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R92 |
| 1 | 2K2 2k2 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R93 |
SloRectoTwin design files
The KiCad project lives in the megaumnick/SloRectoTwin repository on GitHub; these links point at the commit this page was built from.
- LayoutSRT.kicad_pcb
- SchematicSRT.kicad_sch
- BOMSRT-BOM.xlsx
SloRectoTwin: common questions
How big is the SloRectoTwin PCB?
The SloRectoTwin measures 268.5 × 74.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SloRectoTwin?
236 components, from 124 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 SloRectoTwin design files?
From the megaumnick/SloRectoTwin 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 SloRectoTwin design in my own project?
The repository has no license, so all rights stay with megaumnick. Use it as a reference, and ask the author before reusing the design.