VISTRON (DONG GUAN) AUDIO EQUIPMENT CO.,LTD

sy    Home Audio Amplifier    Preamp-01-- Stereo pre amplifier
c5-1
c5-2
c5-3
c5-4
c5-5
c5-6
c5-7

Preamp-01-- Stereo pre amplifier

Model:BTA-250
Small MOQ:500 PCS

FOB price:USD 40--90

Port:SHENZHEN, GUANGZHOU

Payment method:L/C,T/T,Western Union,Money Gram,Other(Cash, Alibaba Trade Assurance)

Supply capacity:Fifty thousand units one month

Period for dispatch:Shipped in 45 days after received 30% deposit

Conventional packing:carton /according to the customers requirements

 

Product Description:

What is the definition and purpose of the preamplifier?

A preamplifier (pre-amplifier) is an electronic amplifier that preparing a small electrical audio signal for further amplification or processing. It is used to drive the cable to the main instrument without significantly degrading SNR. Mainly the Preamplifier purpose switching between different line level source and applying a volume control , then the second power amplifier providing high current to passive speaker.Not only the noise can be minimal, but also the pre-amp can act as a buffer amplifier and signal switch processor between your souce and the main amp.

Through the help of the preamplifier and main power amp , the sound is altered quality and much louder, improve the overall sound quality.

 

Our new designed Preamp-01 preamplifier compact stylish appearance, using various recently home audio technologies that help a high level of performance that can be described as astounding.

Intended for seeking high-performance in an elegant , the Preamp-01 leaves your music uncolored and free of any gain or noise, the purity of the signal remains uncompromised, allowing the music to be heardas was intended from day it was recorded.

 

Advantages

Features of the stereo preamplifier:

*Compact stylish design, mental case and aluminum front panel.

*Built-in DAC, Bluetooth capability

*Various Inputs including Toslink Optical, stereo RCA, 3.5mm audio 

*Output: Subwoofer output, RCA pre-out

*Optical in accepts up to 192kb,24bit

*Support backplay, both remote control and front selector control functions

*Remote control with discrete ON/OFF power buttons

*0.5W standby power consumption meets Energy Star specification

*Preamplifier antenna for better Bluetooth transmitter

*Bluetooth range 10 meters, with re-paring automatically

*Ultra rigid chassis construction to minimize the effects of external vibrations

*Available in black and silver finish, OEM welcome.

 

OUR ADVANTAGES

1R&D

We are professional audio products manufacture for 10 years.

Our R&D team dedicated to the creation of new and innovative products,can fulfill our customers’ specialized OEM orders. 

 

OEM and ODM

We have several experienced engineers to meet your demands,make your ideas to the real products!

1).Shells ----make different Logo,Color,Print,etc. for shells;
2).Solution ----make products with different functions;
3).Accessories ----make products with different language manual,port etc;

4).Other Requirements.Just Contact me.Skype:vistronaudio

 

QC
We pay attention to High Quality.

All raw materials and accessories must be tested before entering production facilities.

Mass production will begin only if the products have been tested and have passed inspection.

During mass production, personnel will periodically check products to ensure randomized testing.

Before shipping,our QC will check it again strictly to ensure the High Quality.

All products 100% QC before shipment.


Warranty & Return

We offer one-year warranty for our products.

As long as there's no man-made problem, usually we can just add some pieces in your next order.

 

Professional service

best production capability ,best quality control, Best Service .

What we can provide to you is not only  just the products,but also the satisfying service.

Well-trained and experienced staffs to answer all your questions in time.


Technical Parameter:

Specifications of the stereo audio preamplifier:

Product name

 

Home use Hi-Fi audio stereo preamplifier

 

S/N

 

85dB

 

Input sensitivity

 

1.6V

 

Line level output

 

2.5V RMS

 

Frequency response

 

1--58K Hz

 

THD+N

 

<0.1%

 

Output noise

 

<0.1mV

 

Inputs

 

Bluetooth, Toslink(Optical),Stereo RCA, 3.5MM

 

Outputs

 

Stereo RCA Pre-out, Subwoofer output

 

Bluetooth version

 

CSR V4.0, supporting aptX

 

Bluetooth range

 

10 meters, with external antenna

 

Standby

 

Power consumption below 0.5W,preamplifier goes into standby automatically when no signal 15 minutes.

 

Power voltage

 

DC12V / 1A

 

Dimension

 

190*52*139 mm

 

Weight

 

580g

 

 

Operations guide for the preamplifier:

1. Connect the audio source devices to the respective inputs on the PREAMP-01 and active speakers or a power amplifier to the pre-out terminals.

2. Connect power cord to the PREAMP-01's power connector

3. Turn the power button at the rear of preamplifier to ON, the units starts to standby in two seconds, then into the last input signal mode.

4. Turn on the source device and select corresponding input with the remote control or with the preamp inout selector on front panel.

You can control backplay by Bluetooth or remote control, playback not working with the other inputs.

 

Bluetooth pairing guide:

1. Start the preamplifier and press the remote Bluetooth button

2. Start Bluetooth application on your mobile device and start search for Bluetooth devices.

3. "PREAMP-01" apperas in the list of your device. Select it and they are paired. No need password.

Notice:

* Only one device can be connected at a time

* It can be still connected when switch back to Bluetooth input mode if your device BT still opening.

* Bluetooth is perfectly compatible with iOS/Android/Windows device.

 

c5-11


c5-12c5-13c5-14c5-15c5-16c5-17c5-18c5-19c5-20

Powered by CloudDream