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Limetree Headphone

The Limetree HEADPHONE is a high-class headphone amplifier for all music lovers who want to get a higher resolution and more tonal colors from their headphones.

It amplifies purely in the analog domain for superior quality with the smallest of signals and/or when listening at soft volume. High-current output stages in class-A technology guarantee a reproduction which is both punchy and precisely resolved. For true connoisseurs!



Beside three inputs to connect e.g. network players, CD players or a phono preamp, the Limetree HEADPHONE offers a headphone output and a line output to control active speakers or a power amplifier. Almost any headphones of 16 to 300 ohms can be driven with great sounding results. A setting device on the bottom of the housing allows to adjust the volume level to the respective headphone impedance.

Made in Europe.


We have put a good deal of detail work into the circuit design. Very short signal paths, finest components and an extremely clean supply voltage make this amplifier what it really is: an essential tool for headphone freaks. The analog volume control comes from the studio sector and is currently representing the measure of all things. It ensures a very high resolution and minimal losses with low-level signals. The current amplification is provided by completely discrete "diamond" buffers working in a non-feedback class-A mode. In terms of sound these are wonderfully agile and detailed and deliver very good dynamics values. As power supply we use a “medical grade“ wall plug transformer which ensures a particularly good isolation from line disturbances. Together with the elaborated onboard filtering and special voltage regulators, we were able to realize an exceptionally low-noise power supply with a ripple voltage below 10 µV.


Technical specifications

Measurement conditions: 22 °C, 230 V mains voltage, Audio Precision AP2722
Power consumption: 0.15 W standby, 2.6 W operation
(W x H x D): 107 x 40 x 130 mm (4.2 x 1.6 x 5.1 in)
Weight: 295 g (10.4 oz)
Inputs: 3x RCA inputs
Outputs: 1x headphone output, 1x line output

Gain: 12 dBs (10 kOhms load)
Distortions: <0.001 % (at 0.5 V output and 10 kOhms load)
S/N ratio
: >98 dBV (A-weighted, 600 ohms termination)
Frequency response
: 1 Hz - 300 kHz (-3 dB)

Award winning.


Fairaudio (Germany) / October 2018 "The Headphone reminds me of my first high-end experiences which have become deeply engraved in my mind. Suddenly this magic is here again." Full Review >> (German)

Hifi Choice (UK) / November 2018 "The Lindemann Limetree Headphone is a talented and good value amplifier that delivers a consistently satisfying performance." Full Review >>

Stereoplay (Germany) / December 2018

"It’s truly amazing how much sound quality can be packed into such a compact device."

Full Review>>

Hifi Stars (Germany) / December 2018

"The Limetree Headphone is a perfect example of what you can do with a small budget: Made in Germany at it's best."

Full Review >>

Superior Quality.



The operation manual for the Limetree HEADPHONE


The brochure for the Limetree series (general information)