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Item Condition: Excellent
Shipping Options: Pickup available and you can audition.,Shipping is included in price.
Suburb or Town: West Pymble 2073
State: NSW
Payment Method: EFT
Reason for selling: Surplus to requirements.

Hi all,

 

I purchased this from Warwick at Sonic Purity/PMG in 2015.

 

I upgraded the unit to have the tone, balance and stepped volume control and the following phono modules are included:

  • a single ended MM phone module
  • a single ended MC phono module
  • a balanced MC phono module
  • a balanced step-up transformer MC phono module

 

At the time those upgrades cost approximately $9K, on top of the purchase price.

 

Please note that the stepped volume control means that this unit does not utilize the (included) volume remote and also note that only two of the four input modules can be fitted at any one time.

 

Changing the phono modules is easy and done in the field, by removing a few screws on the back of the unit ie it's a modular design construction.

 

Happy for auditions or any additional questions.

 

Have all packaging too if shipment required and price includes delivery Australia-wide, if sold at the asking price.

 

Note also, that one of the screws on the back of the remote is slightly burred, from me trying to check if there were batteries in the remote.

 

I can also send prospective interstate buyers a video clip of the unit in operation ie proof of life.

 

Thanks for looking.

 

Octave website:

http://www.octave.de/en/htdocs/verstaerker/hp700.php

 

Aside from pictures of the actual unit, stock pictures of the different phono modules are also attached.

 

HP700 | The Next Step

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. Instead of being bound by the fixed audio and technical parameters of the equipment, listeners can adapt the technology of the HP700 to their own requirements and preferences. The result is THE sound - the optimal sound experience for the individual high-end audio system and the individual listener. THE NEXT STEP - A major step toward the ideal of all music lovers.


PRECISION TECHNOLOGY IN THE LINE STAGE

Three amplification settings, combined with selectable output impedance, enable perfect fine-tuning of the HP 700 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. The ability to select the output impedance – and therefore the output current – facilitates optimal set-up of the unit for the cable properties, cable length and cable capacity as well as for the input sensitivity of the output stage.


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 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 HP700 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 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. The screening is also essential to ensure low- noise, low-hum operation of the phono MC input.

 

ADDITIONAL INDIVIDUALIZATION OPTIONS:

 

MODULAR INPUTS

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 PRECISON TONE CONTROL

The innovative optional tone control rounds off the HP 700 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.

 
 


Photos:

 

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IMG20190822171939.jpg

 

 

 

Edited August 22, 2019 by DaveH1
Formatting

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Edited by DaveH1
Grammar
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I have much smaller relative of this Octave preamp and it delivers an exceptionally fine sound. I haven’t heard this one but would be confident of enjoying the upgrade.  if I had the money I would do it. 
Best with the sale. 

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23 hours ago, LunA said:

Wonder what you are going to replace it with?

Was thinking about a PS Audio BHK and a separate phono stage for my Sota Millenia.

 

It would be a better fit in the study when my new place is built as some of my components will be in a cabinet and not front and centre.

 

My wife mainly listens to music on the Directstream,  so would be able to control the volume via automation.

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