| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More | 
|---|---|---|---|---|---|
| Price /Unit | $277.29 | $271.63 | $263.14 | $251.83 | Contact US | 
                        Gravity Waves BLACK DOMAIN Tube Amp Attenuator Dummy Load Box for Tube Amplifiers ≤200W
                                                $143.04
                                            
                        Gravity Waves Tube Amp Bunker Tube Guitar Amp Attenuator Load Box and Cab Sim Combo (Silver)
                                                $414.91
                                            
                        20W Gravity Waves Bluespace White All-Tube Guitar Amplifier Guitar Tube Amp Combo with Stand & Pedal
                                                $1,490.66
                                            
	LEHMANN Upgraded TT650 Headphone Amplifier Audio Board Headset Amp with Case for DIY
	
	Features:      
	- Change 3.3Ohm resistor into two big ones
	- Change resistors around 317 337 into two small ones
	- Change blue capacitors into WIMA ones beside the LED
	- Mounting direction changes, BC 4700
	- Add isolation line in the part of power supply, less inference
	- Input coupling capacitance, turn 1.5U into 2.2U
	- Adopt top quality MRACA PIG transformer
	- Keep ther configurations same with the original ones
	
	Advantages:
	- BC capacitor,4700muon FM
	- Switch filter capacitor,WIMA 0.1U/250V
	- BD139 BD140
	- LM317 337
	- ECE Code switch
	- Schurter Power plug
	- PHILPS VISHAY BC resistor
	- Radiator: thickness 1.2mm,Heat Sink FHS302-A
	- LXZ high frequency and low resistance capacitor
	
	Parameters:
	- Frequency range: 10Hz-35kHz.
	- Adaptive impedance: 8-2k
	- Distortion: < 0.001% (6mW/300 Europe)
	- Output power: 200mW/300 Ohm; 400mW/60
	- Input interface: RCA interface * 1, USB interface *1
	- Output interface: 6.3mm interface * 2, RCA interface
	- Input impedance 47K ohm;
	- Frequency response 10Hz (-0.3dB) -35KHz (-1dB);
	- Output power 300 ohm /200mW, 60 ohm /400mW;
	- Size: 280x110x44mm;
	- Weight 1.5Kg
	
	More  information: Click here 
	
	Package included:  
	- 1 x Amplifier