Product Details:

① Adopting Beijing 6J9-J-class electronic tube, the sound of the machine is atmospheric, the sound field is wide, soft and smooth, especially suitable for vocals, strings, light music, classical music! High frequency and delicate, low frequency! Easy to push 18 -600 Ω headphones, quiet background, no current noise floor noise!

② It has two sets of audio signal input, one set is USB signal input (USB-PC), which can be used directly as a high-end USB external sound card, one set is 3.5 analog signal input, when USB signal and 3.5 signal are input simultaneously, priority is 3.5 signal input.

③ The USB module is divided into 2704 chip version and 7022 chip version, which you can choose according to your choice.

④ D1 has two sets of audio outputs. The output is connected to your headphones, or it is connected to your amplifier as a tube preamplifier that adjusts the tone. Hi-level speakers and other audio equipment will bring you HiFi level. Enjoy, full of daring. Of course, if you want to try the tone style of different bile ducts, D1 can also fully satisfy you. D1 is compatible with E180F, EF861, 6688 and other types of tubes, which can be replaced at will.

⑤ Aluminum casing is made by laser wire drawing and the surface font is laser engraved.

 

Specifications:

  • Output power: >=1100mW (32Ω)

  • Adapted headphone impedance: 18-600Ω

  • Total harmonic distortion: <0.005%

  • Signal to noise ratio: >=110DB

  • Frequency response: 20-30K Hz

 

USB module chip introduction:

  1. 2704 chip: Support sampling rate: 16Bit - 32k, 44.1k, 48k

  2. 7022 chip: Number of samples: 16bit, 24bit. Sampling rate: 32kHz, 44.1kHz, 48kHz, 96kHz

 

Package list:

1 × D1 machine

2 × Electronic tube

1 × USB cable

1 × Power Adapter

 













Shipping time:

Default send by airmail,about 15-22 business days can arrive most of europe countries, Russia, Brazil,Africa.Ukraine and some other remote countries will need some more days.

If you need it urgently,also can contact us for adding money using a faster courier(EMS,DHL,UPS or courier you designated)

 

Payment:

We ONLY accept PayPal. Payment must be made within 3 days of the auction end time. Non-Paying bidders will be reported.

All items will be shipped within 1-3 business days (from china)upon receipt of payment.

We ONLY send item to buyer's registered Paypal address,Buyer must be responsible for their postal address

Customs & duties:For cross-border transactions,we are not responsible for tariffs and duties. However, buyers may be responsible for  actual, applicable tariffs, and duties as requested by respective country laws

 

Return & Exchange:

>> Some items return is accepted within 7 days after the buyer's receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days]

>> Returned item has to be new, unworn and in its original condition.
>> After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )