Pro-Ject Head Box RS
$1,049.00
DETAILS
Ultimate highend headphone sound!
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 un-balanced by-pass connectors for using the pass-through input signal with other components.
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!
• 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
Specifications:
| Line-level input/output | 1 pair RCA/phono & 1 pair XLR each |
| Headphone jack | 3-pole 1/4 ‘‘ (6,3mm Ø) |
| Power output | 350mW / 32 ohms, 60 mW / 300 ohms |
| Crosstalk | -58dB |
| Signal-to-noise | -99dB |
| Frequency response | 30Hz – 20kHz/(+0,2dB; -0,05dB) |
| THD (IMD) | 0,17% (XLR in, output impedance setting 5 ohms, load 32 ohms) |
| Gain | 9dB |
| Outboard power supply | 20V/3A DC suitable for your country's mains supply |
| Power consumption | 1,3A DC |
| Dimensions W x H x D | 206 x 72 x 200 (209) mm (D with sockets) |
| Weight | 2150g (without power supply) |
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