ESC
2BA-221 PreAmp

2BA-221 PreAmp

ManufacturerSummit Audio
FunctionAmplifier, Microphone
CountryUsa
Form FactorHalf-Width
Signal PathAnalog Hardware
Weight3.15kg
PowerInternal AC Supply 20 watts, 115, 50 or 60 Hz (USA)
Frequency Response10Hz- 50kHz (-1dB)
NotesHeight: 1.75 inches (4.44 cm) Width: 8.5 inches (21.59 cm) Depth: 7.42 inches (21.59 cm) Weight: 7 pounds (3.15 kg) Power Configuration Internal AC Supply 20 watts, 115, 50 or 60 Hz (USA) Fuse size .5 amp, slo-blo for 100/115 V Fuse size .25 amp, slo-blo at 230 V Input Impedendance Mic: 1.5K ohms Hi-Z: 10K-1.75M ohms Output impedance (XLR): 150 ohms Connections Size and Weight Mic Input: +4 dB female XLR Line Input: -10 dB 1/4" balanced Outputs: +4 dB male XLR and 1/4" -10 dB balanced Stacking Input/Output: -10 dB balanced Max input level Mic: -16dBu Line: 22dBu Hi-Z: 15dBu Operating Measurements Max output level (XLR): 25dBu Max gain: 75dB Equivalent input noise: -135dB average 10Hz-20kHz Frequency response: 10Hz- 50kHz (-1dB) Signal to noise ratio: 115dB average 10Hz- 20kHz THD + Noise: 0.055%, -32dB in +4dB out, 1 kHz Vacuum tubes: 12AX7A