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Boost audio signal to your amplifier with the Velleman K1803: Universal Mono Preamplifer Kit. This kit requires an intermediate level of soldering experience, as well as, a basic understanding of electronic components. It's recommended for audio engineers, A/V specialists, music-lovers and electronics enthusiasts.
This DIY Universal Mono Preamp Kit was developed as a pre-module for applications where there is an insufficient audio input signal. Once assembled, this unit can act as a microphone preamplifier or audio level corrector. This audio preamplifier kit has an adjustable trimmer to control the output signal range. The K1803 also works great as a preamp for dynamic microphones or your own unique DIY project.
Power Supply | 10 - 30V DC / 10mA - Adapter Not Included |
Output Impedeance | 1 Kohm |
Adjustable Output Level | 40 dB max. |
Frequency Range | 20 Hz to 20 kHz ± 3dB |
Max. Input Signal | 40 mV |
PCB Dimensions | 1.2 in. x 1.7 in. (30 mm x 40 mm) |
Color: | Blue, Purple, White |
Size: | 20, 24 |
Material: | 100% Polyester |
Italian | Spanish | German | UK | US | Japanese | Chinese | Russian | Korean |
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34 | 30 | 28 | 4 | 00 | 3 | 155/75A | 36 | 44 |
36 | 32 | 30 | 6 | 0 | 5 | 155/80A | 38 | 44 |
38 | 34 | 32 | 8 | 2 | 7 | 160/84A | 40 | 55 |
40 | 36 | 34 | 10 | 4 | 9 | 165/88A | 42 | 55 |
42 | 38 | 36 | 12 | 6 | 11 | 170/92A | 44 | 66 |
44 | 40 | 38 | 14 | 8 | 13 | 175/96A | 46 | 66 |
46 | 42 | 40 | 16 | 10 | 15 | 170/98A | 48 | 77 |
48 | 44 | 42 | 18 | 12 | 17 | 170/100B | 50 | 77 |
50 | 46 | 44 | 20 | 14 | 19 | 175/100B | 52 | 88 |
52 | 48 | 46 | 22 | 16 | 21 | 180/104B | 54 | 88 |