Product Details:
This tube preamp has a rich mid frequency, warm sound, elasticity, strong air feel, and can be heard for a long time without getting tired! The effect of replacing different brands of electronic tubes varies significantly, suitable for DIYERs who like different styles.
1:) 50W pure copper wire power transformer and 10H 45mA high inductance choke coil.
2:) Two 6Z4 electron tube rectifiers (can be replaced with 6X4).
3:) 47UF Tokyo Electric TE Capacitor.220UF Taiwan TEAPO High Speed Low Resistance Capacitor.CLRC filtering circuit composed of 10H choke coil
4:) Dual 160V 120MA high voltage power supply, 12AU7 6.3V 1A AC power supply, two filament balanced resistors grounded, effectively reducing noise.
5:) Famous brand copper foot metal film precision resistor+carbon film resistor, with a strong electronic tube flavor.
6:) Japanese ALPS 16 potentiometer.
7:) All manual welding, with a slight grounding process, resulting in minimal noise Easy replacement of components.
8:) Copper foot silver plated electronic tube socket.
9:) High quality 1.2mm thick iron spray painted chassis with good electromagnetic screen effect, imitating Western style and ancient style
Specifications:
Input voltage: AC115V or AC230V (optional)
Input sensitivity: 200mv
Output voltage: 2V (RMS THD<0.03%) -17V, with a voltage gain of approximately 7 times.
Signal to Noise Ratio: 97DB
Frequency response: 10Hz-40KHz (-0.5DB)
Input impedance: 100Kohm
Output impedance: 2Kohm
Channel isolation: 65DB
Weight: 2.35KG
Dimensions: 110mm wide, 220mm deep (including the depth of the knob and RCA socket), 130mm high (from the machine pin to the top of the 6Z4 rectifier)
Package List:
1 × Finished Preamplifier
For transportation safety, no power intput cable is provided.
