Note: This machine must be reserved and shipped within 7 days after payment.

   Please read this product introduction carefully before buying, and contact me first to see if it is available（Because this machine may be bought by a friend at home and just sold out）. If a friend takes a picture of the product, confirm that the friend has carefully read all of the product introduction.

   Please read the instructions carefully before buying, and contact me first to see if there are any goods. Because many local friends often come to my house to buy the camera, so that the camera that a friend wants to shoot may be purchased by a local friend.

   This product does not support surface mail, the default is Zhongtong Express. If the buyer wants to choose other express by himself, please specify that EMS is used where the express cannot be reached.

   Listening to music with earphones through amp is a very personal enjoyment. It can achieve the effect of listening to very good sound with very little money.

   The tube itself has its own natural characteristics. The sound of the tube amplifier perfectly overcomes the dry, hard, and lack of after-sounding weaknesses of contemporary transistor digital audio, making the sound sound mellow, natural and full of musicality. It is difficult for the transistor machine to reach the fascinating and melting state of the sound. These characteristics are difficult to replace by transistors. Its flexibility and warmth are very pleasing to the ears of enthusiasts. This machine is an all-tube amp. Just compare the transistor machine with the tube amplifier and listen to it.

   This amp uses a combination of 6J1X2 + 6N5P and uses Class A amplification. The bile ducts are all powered by high voltage, so the sound bottom is thick, the sound field is wide and deep, and the sound is soft, sweet, warm and natural. The filaments of all bile ducts of this machine are powered by AC, which makes the bile smell stronger. This amp directly drives 32-600 ohm headphones, which can achieve good results.Note: This machine is tuned with HD600 headphones or K701, pushing HD600 or Q701 is good. When a friend buys this machine, please indicate your headset model for targeted tuning to achieve the best results.

   This machine has a high signal-to-noise ratio.

   The method to test whether the noise floor of the amp is within the normal range: After powering on and preheating, do not plug the audio input behind the amp to the amp, listen with headphones（Listen to the volume knob from the smallest to the largest range）, If the bottom noise is very small or hardly audible, the amp is normal.

   If your friends are tired from work and want to listen to soft and beautiful music to relieve fatigue, please use this machine is the most suitable.

   The power transformer is produced by a regular factory with Class B insulation. So long-term, continuous and reliable operation.

   The shell of the machine is black and iron gray.

   The inside of the machine is a thick 2MMPCB gold-plated board, and the wiring is exquisite and beautiful.

   The circuit of this machine adopts capacitor output mode, which can effectively avoid the damage of expensive headphones due to circuit failure, so please rest assured to use it.

   Local parameters:

   1. Frequency response: 10HZ--30KHZ;

   2. Output impedance: 32 ohms-600 ohms;

   3. Power: 1W;

   4. Signal-to-noise ratio: 98dB;

   5. Power supply: 220V50HZ;

   6. Machine volume: 230X120X145MM（Length X width X height, excluding knob and switch length）；

   7. Machine weight: 2.8KG;

   8. Housing material: black and iron gray new aluminum alloy, unique and beautiful in shape.

   The price of the regular version is 599 yuan including: host, bile duct, power cord;

   Luxury version price: 725 yuan. Luxury version configuration: PCB board is gold-plated thick board, potentiometer is ALPS Japan original 16-type potentiometer, advanced power switch, advanced solid knob, Taiwan advanced RCA, gold-plated bile duct socket, with 110V to 220V transfer switch (suitable for foreign use ), tuning tonic.

   For the picture of the deluxe version, please see the banner picture.

   The regular and deluxe versions are equipped with electronic tubes: 6J1, 6N5P. If you want to upgrade the tube as follows:

   1. Upgrade 6J1 to a new Russian pipe of 6m1, plus 30 yuan;

   two.Regarding the price: unified selling price, no bargaining!

   note:

     1. This machine must be plugged in “all bile ducts” before it can be connected to the power supply.

     2. After the friend receives the goods, please burn the machine for more than 100 hours. It can be used for a few hours a day. After one month, the machine will basically burn well, and the sound will be better as you use it.

   If the buyer is not sure, you can use Wangwang or contact directly

   It is recommended that buyers use Alipay to secure transactions. Buyers who have not applied for Alipay can also transfer money by bank transfer.

   During the use of this machine, it is strictly forbidden to touch the bile duct with your hands to avoid being burned! And pay special attention to children at home!

   Warranty principle:

   The following conditions are not covered by the warranty: 1. Disassemble the shell（The “tamper label” on the case has been damaged）, 2. The robot is damaged or broken; 3. The purchaser himself repairs, rubs the machine, and changes the board; 4. Has any components on the PCB board that have been unsoldered.

   This machine is guaranteed for 1 year, calculated from the date of receipt. Warranty costs: free of material costs, free of maintenance costs, both parties are responsible for one-way express delivery costs. Repair period during the warranty period: 10 days after receiving the machine in our shop.

   Maintenance principle:

   1. One year later, only the material cost + round-trip freight will be charged for maintenance, and the maintenance fee is free. Maintenance cycle: calculation of the machine received in our shop: 20 days.

   2. The machines sold in this shop are not suitable for motorcycles, and this shop does not guide maintenance or motorcycles remotely. Anyone who bought the machine by himself repaired or repaired the machine and wants to return to our shop for repair, it can only be used as a replacement board.（Replace the whole PCB with new soldered components）Processing, the charge is: finished PCB board fee + repair fee + round-trip postage. Repair cycle: calculation of receipt of the machine in our shop: within 30 days.

   Note: This shop does not accept refunds, replacements, or repairs sent by “to pay”. Any machine sent by "pay on delivery" will be returned by courier.

   Receipt notes:

   Because the product is fragile (the electronic tube has been packaged with a protective sleeve）In order to protect your interests, when receiving the goods, please check the quantity and check the integrity of the goods in person with the staff of the cargo logistics company. Pay special attention to whether the glass tip on the top of the tube is knocked off, because the tube will leak if it is knocked off. , There will be white mist inside the tube. In addition, we will indicate the total number of items on the invoice. If there are missing or damaged items, please reject them and contact us immediately. If you or your family, friends, or the doorman agree to sign for the goods, it means that you have confirmed that you have received the goods in this store and verified that they are correct. If it is said that the product is missing or damaged after the receipt is signed, it will not be able to be verified. This situation is the responsibility of the buyer.

   Dear friend: This product is a DIY product, it is inevitable that there are flaws, and those who require the product to be 100% perfect（Some even pick the bones in the egg）Please be careful when you shoot; be careful when you are too trembling and too many things.

   In order to eliminate the shortcomings that users cannot actually listen to online shopping, we promise to return the goods unconditionally within seven days: within seven days of receiving the goods, if you are not satisfied with the machine, you can return the goods for a full refund（Note: The payment does not include postage, and the round-trip transportation costs need to be borne by the buyer）. The sense of hearing is comprehensive. It is normal to be dissatisfied with the return. We understand that it will not affect our friendship. We are still good friends and welcome to come again next time.

   When returning the goods, the buyer must ensure that the goods are intact and will not affect the second sale. The machine and its accessories should not be damaged, including: the "anti-disassembly label" on the case is intact, the case and accessories are not scratched, and the machine and its accessories are not welded or rubbed.

   Therefore, after the customer receives the goods, they can try it out for a few days for free. If you have any questions, first contact us by phone or Wangwang, we will reply as soon as possible, and propose solutions that the buyer is satisfied and assured.
Our shop will do our best to provide buyers with affordable prices and warm and thoughtful service. Honest buyers are our good friends, and we will cherish the friendship of good friends and have long-term contacts.

   But for individual buyers with ulterior motives, buyers who like to take advantage, buyers who impose their own responsibilities on the seller, buyers who threaten to achieve their goals with bad reviews, and buyers who use despicable means to achieve their goals, please don’t buy. Although a few such buyers have taken advantage of it, they have obtained the store owner’s bad record of him, or entered the "blacklist". Such bad reputation will be long-term.

   We will no longer provide any services, warranty, or sales to the following bad customers: 1. The kind of unwillingness to return the goods and irresponsible comments in the evaluation are regarded as malicious evaluations, and will no longer provide any service and warranty, will not sell again, and reserve the right to complain to Taobao; 2. Violation of the shop’s regulations and irresponsible comments in the evaluation are regarded as malicious evaluations, and will no longer provide any services and warranty, will not sell again, and reserve the right to complain to Taobao; 3. After receiving the goods, there are objections to the product, but do not contact us, make random evaluations, which are regarded as malicious evaluations, no longer provide any services, do not sell again, and reserve the right to complain to Taobao; 4. We will no longer provide any service and warranty to customers with negative or negative reviews in this store, and will not sell again.

   Product component configuration is subject to change（All of the same grade or higher）, Without notice, please understand!

   In addition, if you have any questions, please contact us in time.

   contact details:

   Phone: 15023609486

     Taobao store:https://shop64451545.taobao.com/shop/view_shop.htm?tracelog=twddp&user_number_id=541101244