rHead
The rHead is a discrete Class A headphone amplifier in a cast aluminium case. It takes RCA or XLR line inputs and has 3.5 mm and 6.35 mm outputs, for listeners who want a dedicated analogue headphone stage alongside their audio system.
- Discrete linear Class A headphone amplifier
- Switchable RCA and XLR inputs
- 3.5 mm and 6.35 mm headphone sockets
- Analogue resistive ladder volume control
- 2.0 W into 16 Ω, 1.1 W into 32 Ω
- Cast aluminium case, 0.71 kg
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The rHead is a standalone headphone amplifier built around a linear Class A design, which avoids crossover distortion. The circuit uses several low-noise power supplies and a fully direct-coupled signal path. Volume is set by an analogue resistive ladder control rather than a standard potentiometer, which avoids channel tracking errors. Protection circuitry guards the unit without affecting the sound.
It is specified to drive headphones from 16 Ω to 600 Ω and delivers 2.0 W into 16 Ω, 1.1 W into 32 Ω and 0.13 W into 300 Ω. Output impedance is below 0.5 Ω. Headphones connect through either a 3.5 mm or a 6.35 mm socket.
Source equipment connects through unbalanced RCA or balanced XLR inputs, which are switchable. The unit runs from a 12 V DC supply and is housed in a compact cast aluminium case. This model is listed as discontinued.
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Specifications
- Brand
- Arcam
- Model
- rHead
- Category
- Headphones
Inputs
- Input types
- RCA and XLR (switchable)
- Input level (RCA)
- 0-4V
- Input level (XLR)
- 0-8V
Outputs
- Headphone sockets
- 3.5 mm and 6.35 mm
- Output power, 16Ω load
- 2.0W
- Output power, 32Ω load
- 1.1W
- Output power, 300Ω load
- 0.13W
- Output impedance
- <0.5Ω
- Recommended headphone impedance
- 16Ω - 600Ω, 3.5 or 6.35mm plug
Audio
- Frequency response
- 10Hz - 20kHz
- THD+N
- 0.002% at 2V output, 32Ω load
- Signal-to-noise ratio (A-weighted)
- 98dB at 2V output, 32Ω load
- Amplifier class
- Linear Class A
- Volume control
- Ultra-linear analogue resistive ladder
Power
- Power requirements
- 12V DC, 1.5A
Physical
- Dimensions (W x H x D)
- 194 x 44 x 135mm
- Weight
- 0.71kg
- Casework
- Cast aluminium
- EAN/UPC code
- 5 060133 602576