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Lehmann Decade Twin Box Phono Pre-Amp

Internal View
Internal View
Rear Panel
Rear Panel
Our price: £ 1199.00 inc. VAT
Free UK mainland delivery
Shipping UK Mainland Only - No Export

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Key Features

  • Onboard slot for custom impedance
  • Power supply outlets for two audio devices

Product Description

Product Information

Lehman Decade Twin Box Phono Pre-Amp

At the High End show in Munich 2005, Lehmann audio announced the release of a new phono stage, named Decade, to celebrate the first decade of Black Cube phono stages and to effectively fill the huge gap between the company‘s own Black Cube SE and the Silver Cube reference phono stage. The Decade is the top model of the Black Cube series of phono stages.

Audio Section:

  • The input stages used in the Decade can also be found in top notch mixing consoles or in well known professional microphone preamps.
  • The passive filter network between two linear gain stages realized with precision MKP caps
  • Several resistive and capacitive load options as standard
  • Front switchable gain (36dB - 66dB) and soft bass rollof
  • Onboard slot for custom impedance
  • Zero global feedback Class A output stage technically identical with Black Cube Linear
  • High quality gold plated pcb mount RCA connectors for audio
  • High quality double sided printed circuit board for optimal signal routing
  • Neutrik connector with gold plated contacts for supply connection (as Silver Cube)
  • Faceplate anodized aluminium in either black or silver finish

PWX II Power Supply:

  • Power supply outlets for two audio devices
  • 30 VA toroidal transformer of the PWX II power supply is a key component for the sonic performance achieved with the Black Cube Decade. This transformer is not only over dimensioned but sports a grounded isolation coil between the primary and secondary coil. 
  • Neutrik connectors with gold plated contacts for supply connection (as Silver Cube)
  • Downward compatible with PWX. Black Cube SE audio sections can be connected.
  • High quality double sided printed circuit board for optimal signal routing
  • Faceplate anodized aluminium in either black or silver finish

Specification

  • Input Stage:Dual-Mono Microphone Preamp Chip, Newest Generation
  • Gain Settings:36dB, 46dB, 56dB, 66dBMax.
  • Gain:66dB
  • Internal Impedances:47kΩ, 1kΩ, 100Ω (Selectable)
  • Custom Impedance:Yes, Via Onboard Slot
  • Internal Input Capacitance & Cap Type:47p, 100p, 220p, 1n KP 1% And Combinations (47p Always Active)
  • Soft Bass Roll-off Filter: Yes - Toggle Switch On Face Plate
  • High Gain:Yes - Toggle Switch On Face Plate
  • RIAA Filter Caps:MKPBass Coupling After RIAA:MKP
  • Second Gain Stage: Dual Mono Burr Brown OPA 134
  • Discrete Output Buffer Zero Yes (Bipolar Class A)
  • Output Capacitor:- DC-Output Jumper:N/A Power Supply Features on Audio Board:LC Pi-Filter
  • RC-Filters with Extensive Electrolytic Bypass 

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