Rolls Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp

Rolls Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp

Rolls Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp

B&H # ROPA550 MFR # PA550
New Item - Coming Soon
Expected availability: Oct 4, 2018

Product Highlights

  • 3-Channel Phono Preamp
  • Headphone Amplifier
  • 4 x RCA Inputs in Stereo Pairs
  • 2 x RCA Outputs (Stereo Pair)
  • 1 x 3.5mm Stereo Input Jack
  • 1 x 3.5mm Headphone Jack
  • Headphone Jack Mutes RCA Output
  • Volume, Boost & Treble Knobs
  • Equalization Based on RIAA EQ Curve
  • Included Power Supply
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Rolls PA550 overview

  • 1Description

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
In the Box
Rolls Bellari PA550 Preamplifier with RIAA Phono Preamp & Headphone Amp
  • 15V Power Supply
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Rolls PA550 specs

    Connections 1 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
    Controls Volume knob
    Bass knob
    Treble knob
    Input select switch
    Gain Line: 16.4 dB gain at 1 kHz
    Phone: 56.6 dB gain at 1 kHz
    Impedance Line Input: 22 kOhms
    Phone Input: 47 kOhms
    Headphone Output: 8 to 600 Ohms
    RCA Output: 47 Ohms
    Frequency Response 3 Hz to 36 kHz
    Equalization 14 Hz to 23 kHz (RIAA ±1 dB)
    THD 0.005% at 1 kHz
    Signal to Noise Ratio >94 dB unweighted
    Indicator 1 LED for power
    Power 15 VDC
    Dimensions (W x D x H) 5.5 x 3.5 x 1.3" / 14.0 x 8.9 x 3.2 cm
    Weight 0.8 lb / 0.4 kg

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