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  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
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  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display

Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display

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Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
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  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display
  • Description

Assembled fully balanced remote control JFET four tube preamplifier power amplifier 2 RCA 2 XLR input LED display

 

1. Four inputs and four outputs (two RCA and two XLR inputs; two RCA and two XLR outputs), convenient for use. And when RCA is input, the output is also balanced.

 

2. The function knobs on the left and right sides of the machine are displayed on the mid tone LED large screen, and the various working states of the machine are clear at a glance.

 

3. The left knob on the panel is for input selection, and the right knob is for volume and function adjustment. All functions can be operated through knobs and remote controls.

 

4. The volume and tone can be remotely operated, both controlled by relay switching resistor network, with high control accuracy, balance, and service life.

 

5. The left and right channels of the machine are completely independent, and each channel is powered by a separate Watanabe power supply, which is more stable and has lower internal resistance to ensure sound separation, resolution, and reproduction.

 

6. The machine adopts a customized Z11 silicon steel sheet heating transformer. The front stage and control part are powered by independent windings to ensure no interference with each other.

7. The internal input switching, remote control of volume and tone control, etc. are all controlled by low-cost dedicated signal relays, which have good control effects and long service life, with minimal signal loss to sound. The volume control is adjustable from 0-255 levels, and the tone is adjustable from - 15 to+15, a total of 30 levels. The volume and tone control precision and balance are good, and the effect is far better than some low-cost chip control schemes and ordinary motor volume potentiometer control schemes.

 

8. The machine transformer and power board are shielded with metal covers, and the display circuit is also shielded with metal covers to eliminate all sources of interference.

 

9. With direct function switching, it can directly skip the tone part, making it convenient for barbecue enthusiasts who like the original taste to switch and compare listening. The direct function is to skip the internal tone adjustment circuit, and all other tone processing circuits in the machine are working properly, for the convenience of those who do not like the tone adjustment function.

 

10. Equipped with high, medium, and low tone adjustment, it is controlled by a Japanese Takamatsu relay resistance network to adjust the tone, and the tone can be adjusted within the range of+, -15 levels, with high adjustment accuracy. Users can make appropriate adjustments to their high, medium, and low tones based on the type of music and their listening preferences to meet their listening needs.

11. Equipped with a separate adjustment function for 4-way input volume, the volume amplitude of the 4-way input can be adjusted separately. For example, when input 1 is connected to a standard audio source such as a CD, it can be adjusted to 20. When input 2 is connected to a small audio source such as a mobile phone or radio receiver, it can be adjusted to 50. When input 3 or 4, it can also be adjusted to different volume values to achieve that the speaker's volume is basically the same for each input, making it convenient to use. Of course, the machine can also be set with overall volume control. When adjusting the volume, the volume of the four inputs changes simultaneously.

 

12. With music spectrum display, this function can be turned on or off as needed. When the spectrum is open and there is signal input, the display screen dynamically displays in a columnar shape based on the size of the audio signal to render the audio-visual effect.

 

13. Equipped with remote control learning function, it can learn the remote control button functions of other NEC encoding formats on the user's hand (most audio remote controls are in NEC encoding format). The learning functions include: power, input, volume+, and volume -. After completing the learning, the user can use the remote control in their hand to control these four functions of the machine.

 

14. The machine is equipped with a memory function, which allows you to remember the last set state every time you turn it on.

 

package includeFinished preamp *11+power cord * 1+remote control * 1.

 


The pictures inside the machine without a shielding cover allow all burning enthusiasts to have a clear understanding of the layout of the components inside the machine.


The power supply for the internal control part, left channel power supply, and right channel power supply are respectively supplied by independent windings of the transformer. And the power supply for the left and right channels of the front stage is a Wada stabilized power supply, with lower internal resistance and smaller ripple.



 
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