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Pro-Ject RS Line Silver High-End Headphone Amplifier

Model #: Head Box RS-SV
236329
Pro-Ject
At a Glance

Head Box RS is a reference quality headphone amplifier with fully balanced tube input stage (double triode tube 6922) and single ended, class A „FET (Field Effect Transistor)“ output stage. It offers balanced and unbalanced input as well as balanced and unbalanced bypass connectors for using the pass-through input signal with other components.

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Get to know this product.

Volume control consists of a precise volume regulator with matched resistance between left and right channel.

A special output impedance selector allows to adjust output impedance in three steps 5, 20 and 50 ohms to achieve better im-pedance matching between amplifier and headphones. Some experiments with different positions of output impedance selector are highly recommended to get the ultimate sound experience for your headphone.

An advanced multi-stage power supply with four different output voltages is used to achieve the best possible S/N ratio for out-standing reproduction of detail, dynamics and imaging with any dynamic headphone!

Features

  • Fully balanced double mono design
  • Tube input stage
  • Class-A FET output stage
  • Switchable output impedance for ultimate performance
  • Superior low distortion
  • Low noise components for ultimate dynamic & detail
  • Output: 6.3mm socket
  • Full metal casing in silver or black
  • Optional Upgrade: Linear power supply Power Box RS Uni 1 (or 4) for further improved sound quality
Useful Documents
Manual
Specification Sheet
Specifications

Technical Specifications

Power Output350 mW at 32 ohms / 60 mW at 300 ohms
Crosstalk- 58 dB
Frequency Response30 Hz - 20 kHz /(+0,2 dB; -0,05 dB)
THD+N0.17% (XLR in, output impedance setting 5 ohm, load 32 ohm
Gain9 dB
S/N Ratio99 dBA
Headphone Jack3-pole ¼“ (6.3 mm ) co-axial jack
Line-Level Input1 pair RCA + 1 pair XLR
Line-Level Output1 pair RCA + 1 pair XLR
Outboard Power Supply20 V/3 A DC, suitable for your country's mains supply
Power Consumption1,3 A DC
Dimensions W x H x D206 x 72 x 200 (209) mm
Weight2150 g without power supply

Misc. Specs

Depth (in.)7.87
Height (in.)2.8
Width (in.)8.11
Product Weight4.7400
WarningProposition 65 Warning for California Residents
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