1590A
Samurai Boost
Based on the Keeley Katana· 11 other boards clone it
- Category
- Boost· Boosts
- Price
- £4.00in stock
From the vendor
The Samurai Boost is our take on the Keeley Katana Boost Clone A super small part clean boost with a toggle to add a little grit – the boost offers around 30db volume increase! The original used a push/pull switch but we’ve moved this to a toggle for ease for the diyer and it even fits in a 1590A/Gorva M45 if you’re feeling it! With an onboard voltage doubler upping the voltage to 18V internally but powered by a standard 9V negative center psu, giving you more clean headroom before any breakup – remember to use components rated to 25V minimum. Controls:
• Volume
• Boost (Toggle DPDT – ON/ON)
Note: Remember to socket any IC’s and transistors! Compares to: Keeley Katana Boost Clone
Schematic
The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 25 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| R1 | 1M | 1M | 0.25 Watt Resistor | |
| R2 | 1M | 1M | 0.25 Watt Resistor | |
| R4 | 1M | 1M | 0.25 Watt Resistor | |
| R3 | 680r | 680 | 0.25 Watt Resistor | |
| R5 | 680r | 680 | 0.25 Watt Resistor | |
| Capacitors 9 | ||||
| C4 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C6 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C8 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C1 | 100pF | 100p | C Disc D4.3mm W1.9mm P5.00mm | |
| C2 | 220nF | 220n | C Rect L7.0mm W2.0mm P5.00mm | |
| C3 | 220nF | 220n | C Rect L7.0mm W2.0mm P5.00mm | |
| C5 | 220nF | 220n | C Rect L7.0mm W2.0mm P5.00mm | |
| C7 | 15nF | 15n | C Rect L7.0mm W2.0mm P5.00mm | |
| C9 | 1nF | 1n | C Rect L7.0mm W2.0mm P5.00mm | |
| Diodes 3 | ||||
| D1 | 1N5817 | 1N5817 | D DO-41 SOD81 P7.62mm Horizontal | |
| D2 | 1N5817 | 1N5817 | D DO-41 SOD81 P7.62mm Horizontal | |
| D3 | 1N5817 | 1N5817 | D DO-41 SOD81 P7.62mm Horizontal | |
| Transistors 2 | ||||
| Q1 | 2N5458 | 2N5458 | TO-92 Inline Wide-large-solderpads | |
| Q2 | 2N5458 | 2N5458 | TO-92 Inline Wide-large-solderpads | |
| ICs 1 | ||||
| U1 | TC1044SCPA | TC1044SCPA | DIP-8 W7.62mm Socket | |
| Potentiometers 2 | ||||
| VOL | B250K | B250k | Potentiometer Alpha just holes | |
| G*** | LOGO | LOGO | pots-this-side | |
| Trimmers 2 | ||||
| Q1-Trim | 10K | 10k | 6mm-Trim-Pot | |
| Q2-Trim | 10K | 10k | 6mm-Trim-Pot | |
| Switches 1 | ||||
| BOOST | SW_DPDT_x2 | SW_DPDT_X2 | DPDT-Switch-Holes | |
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