Barcus Berry PREAMP for 4000 User Manual
Page 2
Specifications for the 3000 Piezo Buffer Preamp with EQ
Designed to work with Barcus-Berry piezo crystal transducers for miking orchestral, woodwind and brass
instruments.
Input (EQ Flat)
Input Interface = RCA unbalanced
Input Impedance = 2.2 Meg Ohms
Maximum Input Level = 2.0 vrms
Output (EQ Flat, Volume Max)
Output Interface = 1/4" unbalanced
Output Impedance = 2K Ohms
THD = .008% @ 1kHz
Noise = -92dBu
S/N = 100dBu
Bass = +/- 12dB @ 50Hz
Treble = +/- 12dB @ 10kHz
Frequency Response = 5Hz - 30kHz (+/- 1dB)
Power Supply
Power Source = 9 Volts @ 380 Microamps
Battery Life = Approximately 1,000 hours
For installation instructions with Barcus-Berry transducers, please refer to www.barcusberry.com for specific
system manuals.
Specifications for the 4000PRE Piezo Buffer Preamp with EQ
For use with the Planar Wave piano and harp transducer.
Input
Input Interface = 1/4˝ Unbalanced
Input Impedance = 2.2 Meg Ohms
Maximum Input Level = 2.0 vrms
Monitor Output
Output Interface = 1/4˝ Unbalanced
Output Impedance = 2K Ohms
THD = .005% @ 1kHz
Noise = -102dBu
S/N = 110dBu
Frequency Response = 5Hz - 30kHz (+/- 11dB)
Main Output (0dB Setting)
Output Interface = XLR Balanced
Output Impedance = 1K Ohms
THD = .005% @ 1kHz
Noise = -105dBu
S/N = 108dB
Frequency Response = 5Hz - 30kHz (+/- 1dB)
Power Supply
48V Phantom Power • Pin #2 is Hot
Power Source = 9 Volts @ 380 Microamps
Battery Life = Approximately 1,000 hours
For installation instructions for the Planar Wave System (Model# 4000), please refer to www.barcusberry.com.