Bellari PA555 Tube Preamplifier

BH #BEPA555 • MFR #PA555
Bellari PA555 Tube Preamplifier
Key Features
  • 12AX7 Tube
  • 3 x RCA Inputs in Stereo Pairs
  • 1 x 3.5mm Stereo Input Jack
  • 2 x RCA Outputs (Stereo Pair)
The Rolls Bellari PA555 is a tube preamplifier for line-level sources including DAC, phono stage/pre, CD players, and mobile devices. It sports three sets of stereo RCA inputs and a 3.5mm input for computers, smartphones, and other appropriate sources. With the onboard switch, you can choose among the inputs and route them to the stereo RCA outputs.
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Bellari PA555 Overview

The Rolls Bellari PA555 is a tube preamplifier for line-level sources including DAC, phono stage/pre, CD players, and mobile devices. It sports three sets of stereo RCA inputs and a 3.5mm input for computers, smartphones, and other appropriate sources. With the onboard switch, you can choose among the inputs and route them to the stereo RCA outputs.

The PA555 uses a 12AX7 tube running at 150 volts. The input signal is connected directly to the grid of the tube, resulting in all gain from the 12AX7 tube. The PA555 has a no feedback circuit or integrated circuits in the audio path; it is a direct, all analog signal path. The Rolls Bellari PA555 includes a 15V power supply.

UPC: 675889055504

Bellari PA555 Specs

Connections1 x 1/8" / 3.5 mm TRS Stereo Input, Phone Type
3 x Stereo RCA Inputs
1 x Stereo RCA Output 
ControlsLevel Control Knob
Input Select Switch
Hard Wire Power Switch
GainMaximum Gain: 11.1 dB
ImpedanceInput Impedance: 10 kOhms
Output Impedance: 100 Ohms
Frequency Response5 Hz to 198 kHz ±3 dB
THD0.1%
Signal to Noise Ratio>103 dB Unweighted
Crosstalk-75 dB
Indicator1 LED for Power
Power15 VDC 500 mA
Exterior Dimensions (W x H x D)6.0 x 2.5 x 5.4" / 152.4 x 63.5 x 137.2 mm
Weight2.0 lb / 0.9 kg
Packaging Info
Package Weight2.06 lb
Box Dimensions (LxWxH)9.9 x 7.4 x 4.4"
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Does this work as a phono preamp for moving ...

Does this work as a phono preamp for moving magnet and moving coil?
Asked by: Chuck
Yes. It will work fine with either.
Answered by: Stephen
Date published: 2020-08-21

Does Bellari pa555 work at 220v in Europe?

Does Bellari pa555 work at 220v in Europe?
Asked by: petrut
Unfortunately not, 110v only. However, you can use it with a step-down transformer for 220v operation: https://www.bhphotovideo.com/c/product/666451-REG/Watson_VC_SD50_VCG_SD50_50_Watt_International.html
Answered by: daniel
Date published: 2021-02-15
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