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Bellari PA555 Preamplifier

Bellari PA555 Preamplifier

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  • Details
  • Tech Specs
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The Bellari PA555 is a hand built tube (12ax7) preamplifier. With four selectable stereo inputs; 3 RCA on the rear and one 3.5mm (1/8") jack on the front. Hard wired power switch on the front. Gold plated RCA outputs on the rear.

The PA555 uses a 12AX7 tube running at 150 volts. The input signal is connected directly to the grid of the tube and all of the gain of the PA555 is from the 12AX7 tube. The PA555 has a no feedback circuit or integrated circuits in the audio path, it is all analog.

More Information
Product Name Bellari PA555 Preamplifier
Brand Rolls
Condition New
MPN PA555
UPC 675889055504
Shipping Option Free Shipping to the Continental U.S.
  • Input Impedance: 10K ohms
  • Max Output Gain: 11.1 dB
  • THD: 0.1%
  • S/N Ratio: 103 db, unweighted
  • Indicator: 1 Power LED
  • Frequency Response: 5 Hz - 198 KHz +/- 3 db Crosstalk: -75 dB
  • Output impedance: 100 Ohms
  • Output Connector: RCA Stereo
  • Input Connectors: 1: 1/8" TRS Stereo jack
  • 3: RCA Stereo jacks
  • PWR: 15 VDC 500mA
  • Size: 6"w x 2.5"h x 5.4"d
  • Weight: 2 lb.

Bellari PA555 Preamplifier

Details

The Bellari PA555 is a hand built tube (12ax7) preamplifier. With four selectable stereo inputs; 3 RCA on the rear and one 3.5mm (1/8") jack on the front. Hard wired power switch on the front. Gold plated RCA outputs on the rear.

The PA555 uses a 12AX7 tube running at 150 volts. The input signal is connected directly to the grid of the tube and all of the gain of the PA555 is from the 12AX7 tube. The PA555 has a no feedback circuit or integrated circuits in the audio path, it is all analog.

More Information
Product Name Bellari PA555 Preamplifier
Brand Rolls
Condition New
MPN PA555
UPC 675889055504
Shipping Option Free Shipping to the Continental U.S.
Tech Specs
  • Input Impedance: 10K ohms
  • Max Output Gain: 11.1 dB
  • THD: 0.1%
  • S/N Ratio: 103 db, unweighted
  • Indicator: 1 Power LED
  • Frequency Response: 5 Hz - 198 KHz +/- 3 db Crosstalk: -75 dB
  • Output impedance: 100 Ohms
  • Output Connector: RCA Stereo
  • Input Connectors: 1: 1/8" TRS Stereo jack
  • 3: RCA Stereo jacks
  • PWR: 15 VDC 500mA
  • Size: 6"w x 2.5"h x 5.4"d
  • Weight: 2 lb.
Reviews