1 6Z4 +6N4/12AX7 tube Maratz 7 classic design optimization Circuit diagram .6N4 tube pre-amplifier So that the sound warm, people sound music more real. Sound is better to hear.
2.Electrolytic capacitor electrolytic BC imported chemicals and coupling capacitors 1UF
Output 1UF, to ensure a steady flow of power to support strong.
3.1W resistor selection tetracyclic metal film resistors, ensure the machine a good signal to noise ratio.
4. 1.6mm thick sheet using double-sided PCB, 2.0 oz copper thickness, HASL whole process to ensure that the size of the current through the good performance. PCB-class quality.
5.7- color flashing LED lights ,very beautiful
Technical Parameters
Size 240 × 190 × 65mm
Color: Black
Power: AC220V
Frequency Response: 20HZ (-0.2DB) -20KHZ (-0.2DB)
SNR: 100DB
Input Sensitivity: 300MV-2000MV
Output: 3000MV
THD1000MV 0.1%
Weight 1600G package
Package:
1 x 6N4 tube pre-amplifier
Instruction:
1 Do not use cheap audio signal cables, these cables are without shieldiing,
they will lead in high frequency noises.
2 The bigger the rotation, the larger the noises
3 correct use of the order is to use the amplifier port first connect the power supply
6N4 Tube preamp features: applied between digital audio sources such as CD / VCD / DVD / MP3 / IPHONE / ipad / MID / mobile phones and other digital audio amplifier / subwoofer / active speaker, easily achieve the former tube with rear Transistor amplifier best match circuit, the kind of time listening fulsome "digital taste" and "transistor sound" flew away, listening make the whole system will be a sweet and delicate "Vacuum tube" with a mellow, vocal sweet, sour music features.
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145.39$
169.4$
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Marantz 7 6Z4 +12AX7 tube preamplifier audio stereo vacuum tube preamplifier for HiFi amplifier speaker Christmas gift