E-Glo is a phono preamp with tube circuitry completely free of semiconductors in its signal path. Ride four ECC83s and two ECC88s. On the fully balanced input stage, we installed a Lundahl boost transformer with an amorphous core, type LL1932. The unity gain is 45db, plus the step-up transformer voltage gain. E-Glo's amp section uses fully passive split EQ with no EQ in the overall negative feedback loop, which can damage the sound. At this level of performance, only the best components will suffice. The choice of the output capacitor is the highly praised Mundorf. All other capacitors are WIMA. Mundorf connectors with Teflon insulation have been chosen for their unmatched integrity. To ensure maximum flexibility, to ensure perfect match with a wide range of cartridges, the E-Glo provides capacitance charging for moving magnet types in six user-interchangeable steps from 47pf to 900pF.
The load resistance for moving coil cartridges is continuously adjustable. Its heart is a custom made toroidal transformer. The transformer is double shielded between the primary and secondary windings. This prevents RFI intrusion, while acting as a superior network filter. Separate power supplies feed the tube's phono preamplifier because the best way to protect a grid transformer from electromagnetic radiation is by moving it away from electronic components. Metal shielding alone cannot do the job, as well as a separate power supply. For the rectifier circuit, EAT special diodes equipped with noise suppression resistors. High quality electrolytic capacitors are also used, followed by a voltage regulator with capacitor multiplier. The power component is a FET transistor. A delight to the eyes, the E-Glo's sleek design is housed in a 435 x 60 x 250mm chassis, and the valves poke through cleverly designed heatsinks reminiscent of the two reels of a tape deck. reel to reel. Along the front section are rows of switches for instant access to all settings.
- MC input impedance: 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:
- Gain 1 MC: 76dB
- Gain 2 MC: 70dB
- Signal to noise ratio: MM 65dBV (80dBV - IEC -A) MC 65dBV (79dBV - IEC -A)
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