YAQIN TUBE BUFFER SD-CD3

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The Yaqin tube buffer is based on the 6N8P / 6SN7 tube and is guaranteed to add the magic of tubes to any system without adding any significant noise or distortion. The Yaqin tube output stage can be added to any system; perfect behind any digital player, in a tape monitor loop or between your preamp and amp. Turn your IPOD, CD or any other affordable digital player into the tube-hybrid player of your dreams. Add it between your amp and preamp or into a processor or tape loop and hear every single source component come to life in a spectacular way. Once in place, you will hear an added level of richness, warmth and musicality previously attainable only with a tremendous investment in world-class tube gear. The Yaqin Tube Buffer Stage is the easiest way to upgrade your system.

What we like about the Yaqin is the twin triode 6N8P / 6SN7 tube where only one high quality tube is required. In this way, you can keep the stock tube, roll to more musical tube or keep 6N8P / 6SN7 tubes and change them at will. Recommended Usage:
On the output of a CD player.
On the “Line Out” of the IPOD
In the tape loop of an integrated amplifier.
Between a pre and integrated amp.

SPECIFICATION

Vacuum tubes: 6H8C x 2
Input sensitivity: -0.68db (1kHz)
Frequency response: 10Hz~100kHz(-0.1dB)
Harmonic distortion: ≤0.03%(1kHz)
S/N: 60dB(A) ≤
Input Jack: 1 Group
Output Jack: 1 Group
Weight: 3.5KG
Size: L:200mm x W:170mm x H:120mm
Power supply: 110V-120V,220V-240V 60/50HzPACKAGE CONTENTS

PACKAGE CONTENTS
• Amplifier
• Standard 1.8m Power Cord
• All the Tubes/Vavle
• Original BOX

LITTLE BEAR BK 6J1

It's a very cool preamp.it's newest version.
1,PCB Circuit layout is reasonable and beautiful, minimize noise,warm sound,perfact for listen person singing.
2,About the input and output interface.all using GOLD RCA interface.
3,Best for your desk headphone amplifier or home power amplifier.make the sound more warm.
else.becaue is tube preamp.usually the amplifier need warm time about 5-10 minutes,after can work in perfact status.
NOTIC:for some new HiFi fans,the Preamp is not like power amplifier,you can not direct connect it to your speaker or headphone.need connect it to Power amplifier.sample Guide:
CD/MP3 player--->6J1 preamp--->Power amplifier--->speaker

Input volage:AC12V/1A
Interface:Gold RCA*2(input and output)
Volume knob with volume and Turn ON/OFF function
Weight:350g
Input/output impedance:100K
Package included:
1 x HiFi preamp kit
1 x Peking 6J1 *2 tubes
2 x Panel,4x screws
1 x Transformer 110V/220V,output AC:12V/1A

Marantz 7 Tube Pre-Amplifier

Wonderful stereo Pre-Amplifier, built with the best parts available
Low profile compact design stereo Pre-Amp,
with beautiful hand made wooden front panel, built with the best parts available

Item Specifics
Type :Pre-Amp/Processor
Brand :Music Angel
Input Power :110V - 230V AVAILABLE
Input voltage :100mV - 2000mV
Frequency Respond :10Hz ~ 40KHz
Signal/Noise Ratio :89 dB
Vacuum Tube :6z4 x 1, 6N2 x 2, 6N1 x 1
Supply Voltage :AC120V / 60Hz or 230V / 50Hz
Power Consumption :45W
Input jacks :3 groups
Output jacks :2 groups
Size Dimension :Width 470mm x Height 110mm x Depth 370mm
Colour :Black Body & HandMake Wooden Front Panel
Weight :8 KG
Packing Includes :All Tubes & Standard 1.5m Power Cord