6N11 6DJ8 Tube Buffer Preamplifier Preamp Board Kits For Musical Fidelity X-10D
12-30V Tube Buffer Preamplifier Preamp Board DIY Kits
For Musical Fidelity X-10D
Description:
This is DIY Kits, Need welding its by yourself !
Not included 2pcs evacuated tube !
Output coupling capacitor Random delivery, photo only for reference !
"X10-D" Musical Fidelity tube buffer preamp board indicators:
Distortion: 0.008% (10Hz~100KHz)
Frequency Response: 10Hz ~ 100KHz (±0.2db)
Output Impedance: 200 ohm
Tubes can use 2pcs 6DJ8, 6922 or 6N11, Dual 12-30V DC power supply through the machine inside, Signal 1:1 buffer.
Power Supply Introductions:
Dual 12V-30V DC power supply! recommended to use regulated power supply, such as LM317,337. Filament need 12-12.6V power supply, the power supply also can be used independent of 12V, You can also directly to the 12V filament in parallel to the main power supply 12V, In this case the main power supply must dual 12V and can not use dual 15V or 18V as power supply, because if that the filament voltage will increase even damage!
Of course, the filament can also be powered independently.
Basic Specifications:
PCB Size: 10x10cm
Process: KB-level military board high precision CNC machining
Materials and specifications: 1.6mm KB Kingboard A grade FR4 board
"X10-D" Musical Fidelity design core introduces:
1, the output terminal using a deep negative feedback, Reached a very high index, Distortion rate dropped to a very low value.
2, the designers cleverly use 6922 (6DJ8) when the screen voltage down up to 50V, it still have a good linear and working condition, using AC 12V low voltage power supply, through the boost to ±28V power supply, can significantly prolong life and improve evacuated tube noise ratio.
3, positive and negative DC power supply, Canceled the second-stage amplifier tube cathode resistor and capacitor, Eliminating the negative impact caused by the cathode resistor and capacitor, transistors can also use all equipment components, without the use of expensive, bulky high-voltage components.
Package Contents:
1set x Tube Buffer Preamplifier Preamp Board DIY Kits
(Not included 2pcs evacuated tube !)
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