Heritage Line Opus II
Heritage Preamplifier
H Two 33BD
Technical Features

Device Type | Discrete Preamplifier |
Analog Input | 3x Balanced3x Unbalanced |
Internal Technology | Dual monaural fully Balanced Discrete PreampResistive Quadrupoles with Log DistributionClass A output current buffer |
Volume Control |
From -127.5[dB] to +6[dB] (in steps of 0.5 dB) |
Balance correction |
±12.8 dB (in steps of 0.1 dB) |
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Frequency range | +0[dB], -0.1[dB]: 5[Hz] to 1.5[MHz] |
Total Harmonic Distortion |
< 0.00063% (-105[dB]) @ 1[kHz] |
Clip to Noise Ration | Balanced: -132[dB]Unbalanced: -126[dB] |
Output Impedance |
Balanced: 50[Ω]Unbalanced: 25[Ω] |


Dimensions (WxDxH) | 440 x 420 x 301[mm] |
Weight | 50[kg] |
Power Consumption | Max: 60[W]Standby: <1[W] |
Remote Control | Optional |
Power Supply | External |
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The Art of Pure Sound |
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The epitome of sonic refinement – our Preamplifier, a jewel in the crown of high-end audio craftsmanship. From its immaculate design, meticulously sculpted to exude timeless beauty, to its exquisite internal circuitry, crafted with the utmost care, every facet of this marvel speaks to the artistry of audio engineering at its finest. As you immerse yourself in its celestial symphony, each note resonates with unparalleled clarity and richness, bringing out the true soul of the music, transporting you to a realm where only the purest sounds reign supreme. Prepare to be enraptured as you surrender to the sublime purity of sound, elevated to new heights by the flawless performance of our Preamplifier, a testament to the relentless pursuit of perfection in the world of high-end audio. |
"Unmatched sonic purity for a sublime musical experience." |
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