K&K Sound Pure Single Channel Preamp
Description
The K&K Sound Pure Preamp is a compact, high-quality external single-channel preamplifier specifically tuned to capture the natural frequencies of acoustic instruments. Equipped with a belt clip for effortless mobility during live performances, this simple yet powerful device eliminates tone-sapping muddy frequencies, delivering pristine audio clarity and a massive signal boost to passive acoustic transducers. Its specialized, ultra-wide band midrange filter works harmoniously with piezo-style pickups, ensuring a rich, organic performance at open mics, outdoor sessions, or studio tracking lines.
- Circuit Type: High-headroom, ultra-low-noise single-channel analog preamplifier
- Form Factor: Portable belt-clip utility chassis
- Equalizer: 3-Band active tone-shaping layout controls
- EQ Parameters: Bass (roll-off at 100 Hz, ±20 dB), Midrange (super wide band at 1.5 kHz, ±20 dB), and Treble (10 kHz, ±16 dB)
- Internal Adjustments: Internal gain trimmer potentiometer (scales from factor 0.5 up to 10x amplification factor boost)
- Input Connection: 1 x 1/4" Jack (1 Mega Ohm input impedance, optimized for piezo-style acoustic pickups)
- Output Connection: 1 x 1/4" Jack (Low-impedance ohmic output)
- Frequency Response: 10 Hz to 30,000 Hz
- Power Requirements: Powered by a standard 9V battery
- Battery Life: Approximately 180+ hours of continuous operational runtime (under 1 mA consumption)
- Smart Switching: Output jack doubles as an internal battery switch (automatically disconnects power when unplugged)
- Dimensions: 2.5" x 3.0" (6.35 cm x 7.62 cm)
| Model: | PUREPREAMP |
| Manufacturer: | K&K Sound |




