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                        Gravity Waves BLACK DOMAIN Tube Amp Attenuator Dummy Load Box for Tube Amplifiers ≤200W
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                        20W Gravity Waves Bluespace White All-Tube Guitar Amplifier Guitar Tube Amp Combo with Stand & Pedal
                                                $1,490.66
                                            
Product Description:
1.+-65V~+-80V DC power supply,effective power:2ohm 1000W,4ohm 900W,8ohm 600W,mono.
2.Using IRFB4227 TO-3P large tube.For stage 8ohm,connect 2pcs 40hm to get 2000W power output.
3.The latest HIFI mono large power IRS2092 digital amplifier board can support 2ohm load.
4.Relay independent power supply,add a AC single 12V power supply on main voltage(DC +-65V~+-80V).
The latest production HIFI audiophile power IRS2092 mono digital amplifier board can connect 2 Ohm load. Sound effortless, low-frequency flexible, dynamic class
The main technical parameters:
1. Supply voltage: Dual DC power supply ±65V- ±80V (recommend ±70V,AC 12V) 
2. Maximum output power: 1000W/2Ω
                         900W/4Ω
                         600W/8Ω
3. Efficiency:> = 90%
4. SNR: 90dB
5. Speaker: 2-4-8Ω
6. Weight: 430g
7. Board Size: about 160MM *  96MM,    total height about 50mm
Note:
1.Power supply dual DC +-65~+-80V,normal operation.Recommend DC dual power +-70V better filter power supply.  
2.Speaker recommend 4ohm/8ohm 
Wiring: The board is dual DC power supply.Recommend +-70V power.