The kit includes a component layout sheet, however it does not show the pcb tracks or circuit diagram, but a circuit diagram image is on the description page, its not required, but i like to see the circuit to better understand and learn.Lenskeeper I found this app well watching a clock repair video after the person repaired the clock he used this app to regulate and set the timing I tried this on my own cuckoo clock which is never kept time and when I checked it what I thought was a good time was three minutes and 41 seconds off after working with the app for about a half hour and not really wanting to take more time right now I got the Error down to seven seconds per day that’s great I can get it better if I try to work with it more let’s see if it stays that way. The kit is of high quality, very good parts and quality pcb with mounting accessories terminals, sockets and a plug pack. My order was shipped very promptly in excellent packaging (as was a previous order from microwavemont) the parts were well packaged and includes everything as per the description. Speaker, and AC-plug shape converter if your country is not compatible with US shape.
MUSES is a high-end brand of JRC Japan, for high fidelity amplification.īy nature, class-D produces a wonderful sound by very simple circuit.Īs a whole, it is working a 21st century amplifier supported by lots of modern technology.Īll the parts to complete amplifier (PCB, Nutube.), including 100-240V universal 12V ACDC adaptor.Īs shown in the picture, some of SMT parts are pre-soldered for your convenience.
We may omit this stage if input impedance of the next stage is enough high (it requires more than 100 kOhm) but the next stage amp has that of tens of kilo-ohm so I inserted as well. The first stage is made of Nutube, working as a kind of analogue signal processor, generating rich vacuum tube second harmonics sound.
The sound from Nutube is transfer to speaker out as is, and additional component would not have additional color to sound. My previous one was a headphone-driving application but it will be very fun if we can have Nutube sound through speaker Here comes the next one Nutube PreMain amplifier. If you prefer perfect, please try battery drive by 8-series AA or AAA (not included in this kit).Īfter Nutube soldering, one of the plastic foot cannot be attached with PCB. You will notice it in the case of no audio input but during playing music, it is ignorable. The sound quality is same as original but more stable operation even for lower impedance speaker. Attached ACDC adaptor voltage changed from 12V to 9V.
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