Bellari microphone Tube preamp
with the original power supply, here's a link to download the manual- http://www.rolls.com/new/mp105.html
Here's some info:
MP105 Tube Mic Preamp
The MP105 provides clear sonic quality and performance for the
working musician, studio operator or anyone who needs a preamp with the
warm, smooth, analog sound.
The unit features both XLR and 1/4" inputs and outputs with a 37 dB Pad
on the XLR input, 48 Volt Phantom Power, and a Phase Reversal switches
to adapt to any performing or studio situation.
SPECIFICATIONS
Input Impedance: XLR: 600 Ohms, 100 K W Padded
1/4”: 10 K Ohms
Output Impdance: 50 Ohms
THD: .15%
S/N Ratio: >88 dB
Maximum Input Level: +12 dB XLR, +18 dB 1/4”
Maximum Output Level: +16 dB XLR, +10 dB 1/4”
Pad: - 37 dB
Frequency Response: 20H - 25kHz +/-3 dB
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