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Stereo Buffer Board Balanced / Single-Ended
Neurochrome's Universal Buffer is a high quality stereo buffer module designed and assembled in Canada. It can be configured for the following functions:
With the addition of a volume control and source selector, multiple Universal Buffer modules can be configured as a complete preamplifier with support for both balanced and unbalanced sources and loads.
The Universal Buffer has been designed by Neurochrome to be totally transparent from a sound point of view, in order to allow a wide and realistic sound scene.
The module has a differential balanced input for connection, which can accept balanced signals as well as, via a jumper configuration, unbalanced signals. On the output side, the Universal Buffer offers one balanced and one unbalanced output.
Specifications | |
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Product type | Stereo buffer |
Channel | 2 (Stereo) |
Supply voltage | ±2.5 - ±17V |
THD | < 0.00001% (-140dB) @ 2V RMS |
THD+N | < 0.00025% (< -112dB) @ 2 VRMS < 0.00025% (< -112dB) @ +27.5dBu |
IMD: SMPTE 60Hz + 7kHz @ 4:1 | -107dB @ 2V RMS |
IMD: DFD 18kHz + 19kHz @ 1:1 | -119dB @ 2V RMS |
IMD: DFD 917Hz + 5.5kHz @ 1:1 | -109dB @ 200mV RMS |
IMD Résiduel Multi-Tone | < -148dB @ AP 32-Tone, 2V RMS |
Gain | 0dB (1.0x) (can be increased by resistor option) |
Gain flatness | ±0.1dB @ 20Hz - 20kHz |
Frequency response | DC - 280kHz @ 100mV RMS, -3dB |
Slew rate | 2.4V/µs @ 100kΩ, load 220pF |
Total integrated noise and residual mains hum | 1.7µV RMS @ 20Hz - 20kHz A-Weighted 2.1µV RMS @ 20Hz - 20kHz Unweighted |
Dynamic range (AES17) | 137dB @ 1kHz |
Channel separation | > 125dB @ 20Hz - 20kHz |
Common-Mode Rejection Ratio (CMRR) | > 65dB @ 20Hz - 20kHz |
Input impedance | 48kΩ |
Output impedance | < 0.1Ω |
General | |
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Dimensions | 60 x 65 x 15mm |
Weight | 30g |
Input | Screw terminals |
Output | Screw terminals |
Max sampling rate | NC |
Channel | 1 (Mono) |
Class | Class A / AB |
Power (W) | 40.0 |
Interface chip | NC |