Octave HP 700 SE Vacuum Tube Preamplifier
14200,00 €
The Octave HP 700 SE sophisticated valve technology combined with intelligent modularity make this pre-amp future-proof. A valve pre-amp boasting innovative precision technology and a modular concept that allows the listener the freedom to build a system to cater for individual music tastes. Instead of being bound by the fixed audio and technical parameters of the equipment, listeners can adapt the technology of the HP 700 SE to their own requirements and preferences.
PSU Technology
In combination with the newly developed high-precision, low-noise supply-voltage stabilizing circuitry, the separate power supply unit for the HP 700 SE ensures constancy of the audio output even when the mains voltage is subject to wide fluctuations and high interference levels. Added to this, the integrated control logic system guarantees maximum operational reliability and, backed by our exclusive soft-start technologies, ensures the valves and the unit have a life of up to twenty years.
Bypass
The multi-channel bypass function allows the HP 700 SE to be integrated into an existing home-theater combination. The logic-controlled input selector circuitry allows selection of the bypass function for an XLR or phono input on the rear panel. The HT signal is present at all three outputs.
External Power Supply Unit
The sophisticated design of the HP 700 SE makes extremely high demands on the power supply unit. The external power supply unit is magnetically screened and supplies a clean voltage to the HP 700 SE. The screening is also essential to ensure low- noise, low-hum operation of the phono MC input.
Additional Individualization options
The connection possibilities of the generously configured standard model are rounded off by two user-selectable optional input modules. An optimized input module can be used for unusual applications, for anything from an MC step-up transformer to a transformer-based XLR input module. The plug and play modules can be readily installed or upgraded at any time.
Phono
Next-step technology has also been applied in the redesign of the Phono RIAA amplifier. The further development of the RIAA stage has improved the signal/noise ratio, while simultaneously reducing system-related distortion. The widening of the bandwidth enables accurate RIAA equalization and exploits the full potential of analog reproduction. The wide variety of optional input modules ensures that the optimal input can be installed for every pickup.
Tone control precision tone control
The innovative optional tone control rounds off the HP 700 SE equipment. The precision valve-based tone control unit guarantees consistency of the sound, even at low volume. Precision adjustment of bass and treble, with a 0.3dB channel separation, allows the tone to be adjusted without impairing the spatial reproduction.
Balance control
The frequency-compensated balance control allows channel-separated volume adjustment in 1 dB steps. This technology eliminates any controller-related sound shifts. Using 12-position stepped switches, the setting is longtime stable, with 100% repeatability.
Output selector switch
The unit output can be switched to several zones by manual activation of the outputs. Whether the output is through XLR, phono or all three outputs simultaneously, a total of three output stages can be utilized for separate rooms, different speakers or bi and tri-amping.
Stepped volume control
The optional, frequency-compensated 47-position stepped switch ends the debate about the influence of the controller on the quality of the music signal. At 0.1dB, the channel deviation is supreme. Our own in-house development, the volume control design maintains the frequency bandwidth constant throughout the entire control range, reducing controller-related distortion to a scarcely measurable level.
However, as a result of the mechanical design of the stepped attenuator, the switch positions cannot be controlled using the remote control.
| Power consumption: | 35 - 60 W |
| Weight preamplifier: | 10 kg |
| Weight power supply: | 3.8 kg |
| Supplied accessories: | Power cable, remote control |
| Dimensions of preamplifier (over-all): | 462 x 130 x 480 mm (W x H x D) |
| Dimensions of power supply (over-all): | 110 x 90 x 277 mm (W x H x D) |
| Basic Model: | HP 700 |
| Design: | Aluminium silver or Aluminium black |
| Inputs: | 3 x RCA, |
| 1 x Bypass RCA (can be switched to IN4 -XLR) | |
| 2 x XLR | |
| 2 x arbitrary | |
| Outputs: | 2 x RCA |
| 1 x XLR | |
| 1 x Monitor / Tape Record (RCA) | |
| XLR transmission ratio: | 0 dB |
| XLR pin assignment: | 1 = ground |
| 2 = positive | |
| 3 = negative | |
| Warranty: | Preamplifier (36 Months) |
| Tubes (90 Days) | |
| Line stage | |
| Output resistance: | 100 / 300 ohms RCA; 150 ohm XLR |
| Monitor Out output resistance: | 240 ohms |
| Maximum output voltage: | 12V |
| Gain factor Gain High: | 25 dB = 18,5 |
| Gain factor Gain Med: | 18 dB = 7,8 |
| Gain factor Gain Low: | 12 dB = 4 |
| Signal-to-noise ratio Gain High: | - 98 dB / 38 µV at 3 V output voltage |
| Signal-to-noise ratio Gain Med: | - 104 dB / 18µV at 3 V output voltage |
| Signal-to-noise ratio Gain Low: | - 110 dB / 8 µV at 3 V output voltage |
| Equivalent noise-level: | 14 nV √Hz |
| Frequency response Gain High-RCA: | 10 Hz – 200 kHz -0,7 dB, 0,7 Mhz -6 dB |
| Frequency response Gain Med-RCA: | 10 Hz – 200 kHz -0,3 dB, 1.3 MHz -6 dB |
| Frequency response Gain Low-RCA: | 10 Hz – 200 kHz -0,2 dB, 2,1 MHz -6 dB |
| Frequency response XLR: | 10 Hz – 200 kHz -1,5 dB |
| Ramp-up time Gain Low: | 250 ns |
| Ramp-up time Gain Low: | 60 V/µs |
| Total harmonic distortion, Gain Low, Med, High: | 0.01% at 3V on 10 kOhm |
| Channel separation: | -90 dB / 1 kHz, Input short-circuited |
| Crosstalk between inputs: | - 80 dB / RCA, -95 dB XLR / 1kHz |
| Input resistance: | 50 kOhm |
| Channel matching via volume control: | 0,5 dB - 70 dB |
| Phono | |
| RIAA equalization tolerance: | 0,3 dB / 15 Hz - 20 kHz |
| Corner frequency - subsonic filter: | 15 Hz / - 3 dB |
| Signal-to-noise ratio: | - 75 / - 84 dB / with IN 2 MC Input |
| Input sensitivity: | 250 µV / 600 µV / with IN 2 MC Input |
| Input sensitivity, gain and input resistance depend on input module | |
| Gain MC Gain Low - Pre Out: | Gain Low: 70 dB, Med: 77 dB, High: 83 dB |
| Gain MC Gain High- Pre Out: | Gain Low: 79 dB, Med: 86 dB, High: 92 dB |
Octave on Saksamaa lampvõimendite tootja, kes ühendab klassikalise torutehnoloogia kaasaegse elektroonikaga, et saavutada stabiilne töö, madal müratase ja tõeliselt muusikaline esitlus. Octave’i lähenemine on inseneripõhine: võimendite “Power Management” juhib käivitust ja kaitset, ning Soft-Start aitab vähendada komponentide koormust ja tõsta töökindlust. [oai_citation:0‡Octave Audio](https://www.octave.de/fileadmin/user_upload/manuals/ba_hp500mk3_en.pdf?utm_source=chatgpt.com)
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VEEBIPOE OMANIK
Veebipoe hifimarket.ee omanik on Audio Sommelier OÜ (registreerimis number 16891515), aadress Kallaste, 7, Tabasalu Keskus, Eesti 76901
