Introduction to Mistral DT-309B Bluetooth Vacuum Tube Amplifier

The old audio brand Mistral has launched several desktop HiFi amplifiers. The DT-309B machine housing is made of all-aluminum, which is traditionally stylish and provides heat dissipation. Adopting the design of the front bile stone, the front stage adopts two 6N2 amplifications, and the latter stage adopts transistor amplification, which retains the warm sound of the amplifier and obtains a large output power. The DT-309B has USB input, Bluetooth input and AUX analog input. The built-in USB DAC of the amplifier supports a sampling frequency of 24bit/192kHz, which can replace the built-in sound card of the computer and greatly improve the quality of computer audio. The built-in CSR Bluetooth 4.0 module makes it easy to connect wirelessly to mobile phones and computers. This Bluetooth module supports aptX transmission, and if your audio source supports aptX, you can get better sound quality.

Introduction to Mistral DT-309B Bluetooth Vacuum Tube Amplifier

Product Agent: David Telecommunications

The output power of the amplifier reaches 30W per channel at 4Ω load and can drive a 5-inch bookshelf. At the same time with 6.35 headphone output, matching 32-300Ω headphones. The rear panel has a PRE OUT preamp output that can be used as a USB sound card or preamp or as a subwoofer.

DT-309B can be used as a USB sound card, amp, preamp, combined amplifier, price of more than two thousand yuan, with a wealth of features. In addition, it has the warm sound of the tube, and its playability is very high.

MICRO SD CARD

Full Capacity High Speed Micro Memory SD CARD U3 8GB 16GB 32GB 64GB 128GB Phone Memory Card

1.High Speed 4 8 16 32 64 128GB Micro Tf Sd Memory Card
2.Class10 fast speed of reading and writing
3.Full capacity card,upgraded card
4.Use on mobile phone, pad, dvr camera...
5.Nationwide quality assurance
6.Product size:11mm*15mm*1mm

Package Contents:

Ceamere Micro Meomry Card x 1

About Capacity:

16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-60GB

128GB=approximately 115GB-119GB

256GB=approximately 230GB-238GB

FLASH Memory vendors:1MB = 1000KB,1G = 1000MB
Operating system using binary arithmetic:1MB = 1024KB,1GB = 1024MB;
so there are some differences between display capacity and nominal capacity of flash memory product

Warm Tips:

How to verify the Capacity and Speed of the memory card?

1). Please use quality USB 3.0 card reader to verify all memory card by H2testw on PC. Real memory card should pass H2testw with no error.

2). Please don't use cheap card reader to test Micro SD memory card, speed of Micro SD memory card will be reduced by low quality card reader.

3). Micro SD memory card speed is greatly affected by card reader and the capacity you choose , USB port ect. Low quality device will 100% slow down card speed,1MB=1000KB.



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