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E-GLO

 

 

奧地利EAT為其黑膠家族增添成員,推出真空管式唱頭放大器E-Glo

 

終情於黑膠模擬音源產品製作Euro Audio Team簡稱EAT廠家,先後發表頂級Forte量產型唱盤、Forte SE-Flat黑膠盤而大獲好評。其後更推出由(范登豪)(日本寄木)代工的唱頭、Graham特別設計以Phathom為藍本的E-Go 12吋唱臂,令EAT產品更上一層樓。20135月份慕尼黑音展中EATE-Glo唱放首次曝光,8月份正式全球發售。


這款由EAT廠方自行研發和生產的唱放,設計極為講究,使用真空管式電路處理,總共使用每聲道2ECC8031ECC88,全由EAT自行生產的細膽作放大。電源部份是完全獨立分離,體積與放大機體一樣,符合高級唱放設計的屏敝要求。輸入擁有MMMC各一組,而MC輸入可有7076dB兩組輸出增益,方便使用較低輸出,甚至低至0.2mV的動圈唱頭仍能應付自如。一部使用真空管電路唱放要達到76dB增益數據表現,絕對是一項艱巨的設計任務,可見E-GloEAT製作團的心血結晶。


兩組的增益設定可在主機面板任意調節其輸入阻抗,每組都分別有八個不同阻值供選擇,MM輸入也可有八個不同的電容值選擇,匹配唱頭就更為容易。

 

A feast for the eyes!

EAT E-GLO phono stage,

Prague, 10 May 2013: Completing its analogue ‘front-end’, E.A.T. proudly announces the definitive phono stage to accept the signals from its range of turntables, tone-arms and Yosegi cartridges. The E-GLO looks and performs like no other, a design so clever and attractive that owners will want to give it pride-of-place in their sound systems. After all, it complements the stunning Forté, Forté S and E-Flat turntables!

First shown privately to the trade at CES in Las Vegas this past January 13, E-Glo is now ready for its public debut at the Munich High End Show. E-Glo is an all-tube design completely free of semiconductors in its signal path. Its tube complement consists of the classic glassware beloved of audiophiles: four ECC83s and two ECC88s. The use of these valves will ensure that supplies of replacement tubes are always readily available, while experimentation is encouraged for those who love to fine-tune the sound of their systems by changing tubes, such as EAT’s premium offerings.

In the fully-balanced input stage, we fitted a Lundahl step up transformer with an amorphous core, type LL1932. The unit’s gain is 45db, plus the voltage gain of the step-up transformer. E-Glo’s amplifier section uses split, fully passive equalisation, without any equalisation in global negative feedback loop, which can harm the sound.

At this level of performance, only the best components will suffice. The choice of output capacitor is the highly-praised Mundorf. All other capacitors are WIMA. Mundorf Connectors with Teflon insulation have been chosen for their unparalleled integrity.

To ensure the utmost flexibility, to ensure perfect matching to a wide range of cartridges, the E-Glo provides capacitance loading for moving-magnet types in six user-switchable steps from 47pf to 900pF. ‘The loading resistance for moving-coil cartridges is continuously adjustable,’ says Lichtenegger, ‘as we already have on our Phono Box RS.’

Ensuring quiet operation is the use of an external power supply, connected to the E-Glo via a special 9-pin connector, familiar to those who recall the legendary Cello Palette preamplifier. Its heart is a custom-made toroid transformer. The transformer features double shielding between the primary and secondary windings. This avoids the intrusion of RFI, while acting as superior mains filter.

Separate power supplies feed the tube phono preamplifier because the best way to shield a mains transformer from electromagnetic radiation of is to distance it from the electronics. Metal shielding alone cannot perform the task as well as a separate power supply.

For the rectifying circuitry, EAT fitted special diodes with noise suppressing resistors. Also employed are high-quality electrolytic capacitors, followed by a voltage regulator with capacitor multiplier. The power component is a FET transistor.

A feast for the eyes, the handsomely styled E-Glo is housed in a 435x60x250mm chassis, is valves peering through cleverly design heat sinks that recall the two spools of a reel-to-reel tape deck. Across the front section are rows of switches for instant access to all settings – no need to ‘get inside’ to set the E-Glo for your cartridge of choice.

E.A.T.’s E-Glo is a state-of-the-art phono stage able to extract the ultimate performance from any cartridge it asked to accommodate.

Technical specifications

Input impedance MC: 10,20,40,80,150,300,600,1200 Ohm / 70dB

2,5,10,20,40,80,150,300 Ohm / 76dB

Load capacity: 50,150,270,370,520,620,740,840 pF

Output impedance: < 150 ohms Gain MM: 46dB

Gain 1 MC: 76dB

Gain 2 MC: 70dB

Signal to noise Ratio: MM 65dBV (80dBV – IEC -A)

MC 65dBV (79dBV – IEC -A)

THD, MM / MC:

Available in two colour Options: high gloss Makassar or high gloss piano Black

 
 
              

 

 

 

 

 

 

 

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