No.10.0 is a type of transistor pre-amplifier with function of headphone amplification and remote control. Its main amplifying circuit derives from the patent circuit of Beijing Yushang Electroacoustic Technology co., Ltd. The build is ultra thin structure (45mm in height).
SEPP (pull-push) voltage regulator firstly adopted in China was developed and produced by Yushang Co itself. This voltage regulator features low internal impedance, less ripple and fast response rate , etc so that it can keep invariable ripple from zero load to full load (<8μV RMS), just like the characteristic of feeding storage battery. Every parameter and sensation of listening all are better than those series or shunt regulators that are commonly used. The regulator’s sampling amplification adopts single operational amplifier in high conversion rate and sampling amplification of 100% for AC/DC. High accuracy components are used for reference voltage.
Unlike those operational amplifiers being commonly used without negative feedback, every part of the earphone amplification consists of discrete components, so it completely eliminates the impact to negative feedback loop, which is caused by the inductance and distributed capacitance at earphone lead and the portion of coil. It can drive moving-coil earphone of 30ohm-300ohm.
No.10.0 uses R-shaped power transformer, double-sided PCB, gold-plated RCA jackets, FOR AUDIO and WIMA capacitors, ALPS motor potentiometer and other Hi-End components, etc. It is equipped with an output time-lag protection at line output port.
Remote function: stand-by, input selection, etc.
Sound representation: full and mellow, broad sound field and localization of precision and clarity. It is excellent in combining with improved version of No.8.0, No.8.0B that belongs to Beijing Yushang Co. Moreover it is in reasonable and modest price.
Though No.10.0 is only a style of pre-amplifier in low price, its value on technology content is far greater than its selling value.
Specifications
- Total Harmonic Distortion(THD+N):
- 0.006%(1KHz 2V RMS)Pre-amplifier
- 0.006%(10KHz 2V RMS)Pre-amplifier
- .05%(1KHz 300ohm 15mW)Earphone amplifier
- Frequency Response:
- 5Hz-100KHz(-3dB 2V RMS)Pre-amplifier
- 5Hz-100KHz(-3dB 300ohm 15mW)Earphone amplifier
- Gain:20dB
- Earphone Impedance:30ohm-300ohm
- Input Impedance:80Kohm
- S/N:
- 90dB(without weight)Pre-amplifier
- 98dB(without weight)Earphone amplifier
- Input Interfaces:RCA 4groups
- Output Interfaces:RCA 2groups
- Earphone Output Jack:f6.35mm big three conductor jack
- Remote:RC-602
- Power Voltage:Customized according to different mains in different countries and regions
- Static Power Consumption:6W
- Dimension:430(W)×293(D)×45(H)
- Packing Size:480(L) ×370(w)×155(H)
- Net Weight:2.8Kg
- Gross Weight:4.8Kg
