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Electrodyne 2501 2-channel Microphone Preamp 2 通道麦克风前置放大器
2-channel Mic Preamp/DI with All-discrete Transistor, Transformer-coupled Design
Electrodyne 2501 2-channel Mic Preamp/DI Features:
All-discrete transistor, transformer-coupled design
Custom-wound OEM Input and Output transformers
2dB-stepped Gain Control for easy recall
Maximum Gain: 68dB, adjustable over 50dB in 2dB steps within two ranges (using 20dB pad)
Clip indicator monitors all three amp stages and illuminates when any stage is 3dB from clipping
20dB pad; polarity reverse; 48V phantom power switch
Continuously variable Output Level control
48V phantom power switch
Active Class A FET DI
Dual-impedance selector switch
Original design OEM knobs and control levers
Rugged, powder-coat steel chassis
Heavy-gauge anodized aluminum face plate
Balanced XLR I/O
Rocker power switch; LED power indicator
Designed and built in California
Tech Specs
Preamp Type: Solid State
Number of Channels: 2
Phantom Power: Yes
Pads: -20dB
Polarity Switch: Yes
An alog Inputs: 2 x XLR (mic), 2 x 1/4" (Hi-Z)
An alog Outputs: 2 x XLR
Frequency Response: 10Hz-60kHz ±0.25dB
Rack Spaces: 1U
Power Source: Standard IEC AC cable
