Applications

Concert-2 with stereo keyboard
The Concert-2 is designed for stereo devices like keyboards. Simple, straight ahead hookup makes it easy to connect your keys to your recording system for great stereo sound!

Concert-2 with drums & samplers
Driving the output from a sampler or electronic drum machine to the PA system has never been easier. The Concert-2 delivers plenty of headroom and lets you connect a local DJ mixer too.

Concert-2 with instruments
Two Jensen Concert-1 direct boxes in one, multi instrumentalists rejoice! The Concert-2 is perfectly well suited for bass, acoustic guitar or just about any instrument with a pickup.
Specifications
PARAMETER | CONDITIONS | MINIMUM | TYPICAL | MAXIMUM |
---|---|---|---|---|
Input impedance, Zi | 1 kHz, 0 dBu, test circuit 1 | 48 kΩ | 200 kΩ | |
Voltage gain | 1 kHz, 0 dBu, test circuit 1 | -20 dB | -35 dB | |
Magnitude response, ref 1 kHz | 20 Hz, +4 dBu, test circuit 1 | -0.25 dB | -0.08 dB | 0.0 dB |
20 kHz, +4 dBu, test circuit 1 | -0.25 dB | -0.07 dB | +0.1 dB | |
Deviation from linear phase (DLP) | 20 Hz to 20 kHz, +4 dBu, test circuit 1 |
+1.2/-0° |
±2.0° |
|
Distortion (THD) | 1 kHz, +4 dBu, test circuit 1 | <0.001% | ||
20 Hz, +4 dBu, test circuit 1 | 0.036% | 0.10% | ||
Maximum 20 Hz input level | 1% THD, test circuit 1 | +19.5 dBu | +21.5 dBu | |
Input common mode rejection ratio (CMRR) unbalanced source |
60 Hz, test circuit 2 | 80 dB | ||
3 kHz, test circuit 2 | 40 dB | 45 dB | ||
Output impedance, Zo | 1 kHz, test circuit 1 | 135 Ω | 142 Ω | 155 Ω |
Optimal cable length | input* | 3 m (10’) | 15 m (50’) | |
output | 30 m (100’) | 150 m (500’) | ||
Temperature range | operation or storage |
0°C |
70°C |
Graphs



