High-end pojačalo/DAC za slušalice Meier-Audio, prvi vlasnik

Prodajem high-end Hi-Fi pojačalo/DAC za slušalice Corda Aria čuvene njemačke manufakture dr. Jan Meiera "Meier-Audio". Radi na 110/220 V. Korišten ukupno nekoliko sati. Prvi vlasnik. Originalna ambalaža. Ima USB i chinch ulaze. Radi izvrsno s high-end modelima Sennheiser, Beyerdynamic i sl. Moguća zamjena za Rega gramofon.

Technical details
Maximum amplification factor 3.0 (+ 10 dB)

Maximum output voltage Vp
12V at 4V analog input
2.8V at USB digital input


Maximum output current 250 mA

Crossfeed filter (stereo, low)

Gold-plated input jacks.

Silver plated headphone jack (Neutrik).

Silver plated heavy duty switches.

Alps Blue Potentiometer.

7 Watts toroidal transformer.

110V and 220V selectable.

Power uptake 4 Watts

Built-in groundloop breaker.

Low impedance electrolytic buffer capacitors. Total Buffer capacity 22.000 uF.

Polyesterfilm bypass capacitors in the power supply.

Polystyrol and polypropylen capacitors in the signal path.

Metalfilm resistors in the signal path.

Double sided PCB with 70 um copper.

LM6171 opamps biased into class-A using LM334 current sources.

BUF634 buffer amplifiers at each output channel.

Built-in USB-DAC (PCM2704, 16 bit, 32/44/48 kHz)

Star-grounding.

Ultra short signal paths.

Signal paths and signal path components at the bottom side of the PCB for maximal shielding.

Sturdy aluminium enclosure.

Weight: 2.2 kg.

Size: 23.1 x 18.7 x 8.7 cm.