1590BB · 7 knobs
Plexitron
Based on the Marshall Super Lead 1959· 1 other board clones it
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- Category
- Preamp / Amp-in-a-box
- Controls
- Loudness 1 · Loudness 2 · Level · Bass · Middle · Treble · Presence
- Price
- $2.50in stock
From the vendor
Emulates the sound of the legendary Marshall 1959 Super Lead Plexi amplifier. The device has two - Normal and High Treble channels connected in parallel with separate gain controls, a three- band EQ, Presence control, and Master Volume. The circuit emulates the complete amplifier path, including the power amplifier. Power supply: regulated mains adapter 9 VDC. The dimensions of the PCB 86 x 32 mm. Enclosure type: Hammond 1590BB.
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 29 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×1 | 220 | 220 | Metal film resistor 1/4W 220 Ohm | |
| ×1 | 2k2 | 2.2k | Metal film resistor 1/4W 2k2 | |
| ×1 | 3k3 | 3.3k | Metal film resistor 1/4W 3k3 | |
| ×1 | 18k | 18k | Metal film resistor 1/4W 18k | |
| ×1 | 33k | 33k | Metal film resistor 1/4W 33k | |
| ×5 | 47k | 47k | Metal film resistor 1/4W 47k | |
| ×1 | 100k | 100k | Metal film resistor 1/4W 100k | |
| ×1 | 1M | 1M | Metal film resistor 1/4W 1M | |
| Capacitors 9 | ||||
| ×1 | 100p | 100p | Ceramic disc capacitor 100p 1kV | Ceramic disc capacitor |
| ×1 | 220p | 220p | Ceramic disc capacitor 220p 1kV | Ceramic disc capacitor |
| ×2 | 1n | 1n | Polyester film capacitor (R=5mm) 1n 63V | Polyester film capacitor |
| ×2 | 4n7 | 4.7n | Polyester film capacitor (R=5mm) 4n7 63V | Polyester film capacitor |
| ×1 | 10n | 10n | Polyester film capacitor (R=5mm) 10n 63V | Polyester film capacitor |
| ×2 | 47n | 47n | Polyester film capacitor (R=5mm) 47n 63V | Polyester film capacitor |
| ×1 | 150n | 150n | Polyester film capacitor (R=5mm) 150n 63V | Polyester film capacitor |
| ×5 | 220n | 220n | Polyester film capacitor (R=5mm) 220n 63V | Polyester film capacitor |
| ×2 | 100u | 100u | Electrolytic capacitor 100u 16V | Electrolytic capacitor |
| Diodes 2 | ||||
| ×1 | 1N4001 | 1N4001 | Diode 1N4001 | |
| ×3 | 1N4148 | 1N4148 | Diode 1N4148 | |
| Transistors 2 | ||||
| ×3 | J201 | J201 | Transistor MMBF J201 | Uo=0.6...0.8V; SMD (MMBF) |
| ×2 | 5457 | 2N5457 | Transistor MMBF 5457 | Uo=1.5...2.0V; SMD (MMBF) |
| Potentiometers 5 | ||||
| ×1 | B1k | B1k | Potentiometer RV16LN(PH)-15kQ B1k | |
| ×1 | B10k | B10k | Potentiometer RV16LN(PH)-15kQ B10k | |
| ×1 | B100k | B100k | Potentiometer RV16LN(PH)-15kQ B100k | |
| ×3 | A100k | A100k | Potentiometer RV16LN(PH)-15kQ A100k | |
| ×1 | A500k | A500k | Potentiometer RV16LN(PH)-15kQ A500k | |
| Trimmers 2 | ||||
| ×1 | 20k | 20k | Trimmer potentiometer type 3296W 20k | |
| ×4 | 10k | 10k | Trimmer potentiometer type 3296W 10k | |
| LEDs 1 | ||||
| ×1 | LED | LED | LED 5mm | 5mm; indication |
Other boards based on the Marshall Super Lead 1959
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