Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp

BH #BEPA550 • MFR #PA550
Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp
Key Features
  • 3-Channel Phono Preamp
  • Headphone Amplifier
  • 4 x RCA Inputs in Stereo Pairs
  • 2 x RCA Outputs (Stereo Pair)
The Rolls Bellari PA550 is a preamp for phonographs and line-level sources, as well as a headphone amplifier for your favorite pair of headphones. It sports two sets of 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 RCA stereo outputs or the 3.5mm headphone out.
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$129.00
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Bellari PA550 Overview

The Rolls Bellari PA550 is a preamp for phonographs and line-level sources, as well as a headphone amplifier for your favorite pair of headphones. It sports two sets of 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 RCA stereo outputs or the 3.5mm headphone out.

Note that plugging into the headphone jack will mute the RCA output circuit, leaving you with a dedicated headphone amplifier. A ground post is on the rear of the device for your turntable's ground connection; this feature can help you minimize the noise commonly associated with ground loops.

The PA550 features an equalizer based on the industry standard RIAA curve. With the bass and treble knobs, you can tailor the lows and highs of the signal to better suit your preferences. A large volume knob is also on hand for adjusting the level of the output. A power supply is included.

UPC: 675889005509

Bellari PA550 Specs

Connections1 x 3.5 mm TRS stereo input, phone type
4 x RCA inputs (stereo pairs)
2 x RCA outputs (stereo pair)
1 x 3.5 mm headphone output, phone type
ControlsVolume knob
Bass knob
Treble knob
Input select switch
GainLine: 16.4 dB gain at 1 kHz
Phone: 56.6 dB gain at 1 kHz
ImpedanceLine Input: 22 kOhms
Phone Input: 47 kOhms
Headphone Output: 8 to 600 Ohms
RCA Output: 47 Ohms
Frequency Response3 Hz to 36 kHz
Equalization14 Hz to 23 kHz (RIAA ±1 dB)
THD0.005% at 1 kHz
Signal to Noise Ratio>94 dB unweighted
Indicator1 LED for power
Power15 VDC
Dimensions5.5 x 3.5 x 1.3" / 14.0 x 8.9 x 3.2 cm
Weight0.8 lb / 0.4 kg
Packaging Info
Package Weight1.48 lb
Box Dimensions (LxWxH)9.9 x 7.4 x 4.4"
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Does the PA550 have a built in rumble filter? And ...

Does the PA550 have a built in rumble filter? And also what is the phono cartridge load capacitance?
Asked by: Randal
This unit does not have a specific rumble filter built in. As well, the cartridge load capacitance is not specified by the manufacturer.
Answered by: Daniel
Date published: 2020-09-03

Has anyone had any luck using this Bellari PA550 ...

Has anyone had any luck using this Bellari PA550 to connect a turntable to an older iMac circa 2012?
Asked by: Martin
There is no digital / USB conversion on this pre amp. You would need an interface to connect it to a computer.
Answered by: James Cruz
Date published: 2021-01-25
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