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MONOLITH LIQUID PLATINUM Balanced Tube Headphone Amplifier
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Monolith Liquid Platinum
Balanced Tube Headphone Amplifier
The Monolith Liquid Platinum is a balanced tube headphone amplifier designed by Alex Cavalli. This model integrates an efficient symmetrical amplification capable of delivering no less than 3.6W per channel under 50 Ohm, to accompany the vast majority of headphones on the market. With multiple balanced and unbalanced inputs and outputs, as well as a particularly well thought-out ergonomic design, the Liquid Platinum is the ideal companion for providing you with incredible quality headphone listening.
Designed by Alex Cavalli
The Monolith Liquid Spark Amplifier was imagined by designer Alex Cavalli, who has been designing and manufacturing audio circuits and more specifically headphone amplifiers for over 18 years now. It is at the origin of particularly powerful devices coveted by audiophiles. His amplifiers are known for their soft and extremely precise reproduction, as well as their incomparable musicality.
Hybrid amplification
The Liquid Platinum has the particularity to take advantage of a hybrid amplifier stage, composed of both a pair of 6922 tubes and integrated circuits. It thus benefits from the characteristic signature of tube amplifiers, i.e. a beautiful musicality, while being able to develop an important power to accompany many models of headphones.
Balanced & Single-ended
The Liquid Platinum's connectivity is not to be outdone and will satisfy most needs. On the rear panel there is a balanced XLR input, an unbalanced RCA input and an unbalanced RCA output. The front panel has two headphone outputs: an unbalanced 6.35mm jack output and a balanced XLR 4-pin output.
Thermal Dissipation & Protection
The heat generated by the Liquid Platinum's components is efficiently dissipated through two large vents on the sides of the unit's top and bottom panels, preventing overheating problems.
The amplifier also incorporates a protection circuit as well as a warm-up delay on ignition.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Balanced tube headphone amplifier |
| Inputs | 1x Balanced XLR 1x Singled-ended RCA |
| Outputs | 1x Single-ended RCA 1x Balanced 4 pins XLR headphone output 1x Single-ended Jack 6.35mm headphone output |
| Frequency response | 10Hz - 50kHz +/-0.05dB |
| THD+N @ 1kHz | 0.002% @ 1Vrms 0.002% @ 5Vrms |
| IMD CCIF | 0.0006% @ 1Vrms 0.0015% @ 5Vrms |
| IMD SMPTE | 0.0006% @ 1Vrms |
| Noise (relative to 1Vrms) | -98dB @ Balanced, 47 Ohm -89dB @ Single-ended |
| Balanced output power | 6.62W (14.78Vrms) @ 33 Ohm 4.213W (15.36Vrms) @ 56 Ohm 1.739W (16.15Vrms) @ 150 Ohm 0.91W (16.52Vrms) @ 300 Ohm |
| Single-ended output power | 1.778W (7.66Vrms) @ 33 Ohm 1.134W (7.97Vrms) @ 56 Ohm 0.446W (8.18Vrms) @ 150 Ohm 0.23W (8.31Vrms) @ 300 Ohm |
| Output impedance | Balanced : < 0.14 Ohm Single-ended : < 0.07 Ohm |
| Crosstalk | -88dB @ 1kHz 1Vrms |
| Channel balance | 0.3dB |
| General | |
|---|---|
| Color | Silver |
| Housing material | Aluminium |
| Dimensions | 22.3 x 21.6 x 5.1cm |
| Weight | 1.5kg |
Balanced Crosstalk
Frequency response & inter-channel phase
Frequency response & inter-channel phase
IMD CCIF 1V
IMD CCIF 5V
IMD STMPE 1V
SNR FFT
Single-ended SNR FFT
SNR
Balanced THD 1Vrms
Balanced THD 5Vrms
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