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OCTAVE HP 700 SE Silver

15100
Χρώμα
  • Black
  • Silver
  • Διαθεσιμότητα

    ΚΑΤΟΠΙΝ ΠΑΡΑΓΓΕΛΙΑΣ

  • Κωδικός Sound Gallery:

    10222-633

  • Κατηγορίες:

    Λαμπάτοι

HP700 - 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.
Μοιράσου το:
HP 700 SE

The Octave HP 700 preamplifier looks back to a long and successful history, the origins of its basic circuitry are derived from the classic HP 500 model, first presented in 1986. This concept has been consistently developed over 30 years and attracted worldwide attention.

Refined tube technology and intelligent modular technology made the HP 700 future-proof right from the start - an innovation in the market. Now it was time to push the innovative HP 700 even further in terms of sound and technology. The new HP 700 SE is a tube preamplifier that features both new precision technology and tonal refinements of the output stage. Like its predecessor, its modular freedom meets the listener's individual demand for truly customized high-end setup. 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 individual requirements and preferences.

In the new SE version, there are now two parallel XLR sockets next to the two RCA outputs on the back panel, allowing all types of bi-amping. But the modifications of the actual Class-A-output stage are even more important. The search for the even finer sound took place with the help of extremely time-consuming and complex measurements, along with accompanying listening sessions. These difficult adjustments are responsible for the tonal improvements, especially the mid-tone of the pre-amplifier. The tube configuration remains unchanged compared to the predecessor HP 700, as do all the other tried-and-tested technical refinements o this incomparable preamp:

PRECISION TECHNOLOGY IN THE LINE STAGE

The term "precision technology" stands for a circuit in tube technology that has an extreme bandwidth up to 1 MHz, an impressively low output resistance of 100 ohms and sensationally low distortion of 0.001%. Three amplification settings, combined with selectable output impedance, enable perfect fine-tuning of the HP 700 SE to the characteristics of the sound reproduction chain. The three-stage amplification settings allow optimal matching of the volume control to the efficiency of the speaker.

PSU TECHNOLOGY

In combination with the newly developed, high-precision, low-noise supply-voltage stabilizing circuitry, the separate, magnetically shielded, outboard power supply of the HP 700 SE (essential for the low-noise and low-hum function of the MC-input) 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 tubes 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 system. The logic-controlled input selector circuitry enables activation of the bypass function for an XLR or RCA input on the preamp's rear panel. The Home Cinema signal is present at all three outputs.

ADDITIONAL INDIVIDUALIZATION OPTIONS: MODULAR INPUTS

The connection possibilities of the generously configured standard HP 700 SE model are rounded off by two user-selectable, optional input modules. An optimized input module can be used for unique 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 Innovative 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 any cartridge.

TONE CONTROL

PRECISON TONE CONTROL

Another innovation, the optional tone control, rounds off the HP 700 SE modularity. The valve-based, precision tone control unit guarantees consistency of the sound, even at low volume. Precise adjustment of bass and treble, with a 0.3 dB 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 long-time stable, with 100% repeatability.

OUTPUT SELECTOR SWITCH

The HP 700 SE output can be switched to multiple zones by manual activation of the outputs. Whether the output is through XLR, RCA 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 0.1 dB, the channel deviation is supreme. Our own in-house development, the volume control design constantly maintains the frequency bandwidth throughout the entire control range, reducing controller-related distortion to a barely measurable level. However, as a result of the mechanical design of the stepped attenuator, the switch positions cannot be controlled via the remote control.

 
Basic Model   HP 700 SE
Design  
Aluminium silver or Aluminium black

  Specifications      
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  In- and outputs      
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  Inputs  

3 x RCA, 2 x XLR, 2 x arbitrary
1 x Bypass RCA (can be switched to IN4 -XLR)

 
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  Outputs   2 x RCA, 2 x XLR, 1 x Monitor / Tape Record (RCA)  
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  XLR transmission ratio   0 dB  
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  XLR pin assignment   1 = ground, 2 = positive, 3 = negative  
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  Line stage      
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  Output resistance   100 / 300 ohms RCA; 150 ohm XLR  
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  Monitor Out output resistance   240 ohms  
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  Maximum output voltage   12V  
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  Gain factor Gain High   25 dB = 18,5  
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  Gain factor Gain Med   18 dB = 7,8  
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  Gain factor Gain Low   12 dB = 4  
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  Signal-to-noise ratio Gain High   - 98 dB / 38 µV at 3 V output voltage  
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  Signal-to-noise ratio Gain Med   - 104 dB / 18µV at 3 V output voltage  
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  Signal-to-noise ratio Gain Low   - 110 dB / 8 µV at 3 V output voltage  
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  Equivalent noise-level   14 nV √Hz  
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  Frequency response Gain High-RCA   10 Hz – 200 kHz  -0,7 dB, 0,7 Mhz -6 dB  
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  Frequency response Gain Med-RCA   10 Hz – 200 kHz  -0,3 dB, 1.3 MHz -6 dB  
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  Frequency response Gain Low-RCA   10 Hz – 200 kHz  -0,2 dB, 2,1 MHz -6 dB  
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  Frequency response XLR   10 Hz – 200 kHz  -1,5 dB  
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  Ramp-up time Gain Low   250 ns  
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  Ramp-up time Gain Low   60 V/µs  
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  Total harmonic distortion, Gain Low, Med, High   0.01% at 3V on 10 kOhm  
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  Channel separation   -90 dB / 1 kHz, Input short-circuited  
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  Crosstalk between inputs   - 80 dB / RCA, -95 dB XLR / 1kHz  
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  Input resistance   50 kOhm  
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  Channel matching via volume control   0,5 dB - 70 dB  
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  Phono      
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  RIAA equalization tolerance   0,3 dB / 15 Hz - 20 kHz  
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  Corner frequency - subsonic filter   15 Hz / - 3 dB  
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  Signal-to-noise ratio   - 75 / - 84 dB / with IN 2 MC Input  
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  Input sensitivity   250 µV / 600 µV / with IN 2 MC Input  
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      Input sensitivity, gain and input resistance depend on input module  
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  Gain MC Gain Low - Pre Out   Gain Low: 70 dB, Med: 77 dB, High: 83 dB  
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  Gain MC Gain High- Pre Out   Gain Low: 79 dB, Med: 86 dB, High: 92 dB  
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  invi Download:
Owner's Manual
 
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  General Facts      
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  Power consumption  
35 - 60 W
 
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  Weight preamplifier   10 kg  
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  Weight power supply   3,8 kg  
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  Supplied accessories   Power calbe, remote control  
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  Dimensions of preamplifier (over-all)   462 x 130 x 480 mm (W x H x D)  
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  Dimensions of power supply (over-all)   110 x 90 x 277 mm (W x H x D)  
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  Dimensions (in mm)
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