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Summit Audio 2BA-221
Mic/Line Preamp Module

OUR PART #:  2BA-221

Introducing the 2BA-221 continuously variable impedance microphone preamp from Summit Audio.
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Our Price: $799.99

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Summit Audio 2BA-221
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Introducing the 2BA-221 continuously variable impedance microphone preamp from Summit Audio. Featuring microphone level, line level, and Hi-Z instrument inputs, the 2BA-221 utilizes separate and individually controlled solid state input controls to mix the microphone input with the Hi-Z or line input into the variable vacuum tube output. Mix them together through the 12AX7A/ECC83 vacuum tube output or separately through individual solid state outputs. The 2BA-221 also features a stackable input design; multiple 2BA-221's can be linked together to form a modular mixing device with individual outs, inserts per channel, and a final vacuum tube gain stage. Its swept high pass filter, multiple simultaneous tube and solid state outputs, insert jack, and internal power supply makes the 2BA-221 a powerful tracking and mixing tool.

Features:

  • Variable Mic input impedance from 100 ohms to 10K ohms
  • Variable Highpass Filter
  • Hi-Z Instrument, Line, and Mic Level Input
  • Hi-Z input and Mic input available simultaneously with separate gain controls
  • Separate solid state and tube outputs
  • Insert Jack
  • Stackable with more 2BA-221's
  • ½ Rack Size
  • 3 Year Warranty
  • XLR and ¼" outputs and inputs
  • Three variable, independent gain stages

Specifications:

Power Configuration

  • Internal AC Supply
  • 20 watts, 115, 50 or 60 Hz (USA model)
  • 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

  • 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

Warranty: 3 year limited warranty

  • Height:
    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)
Rackmount Kit
Summit Audio SRK100 Rackmount Kit
Rack mount one or two of the ½-rack Summit Audio products with the SRK-100. The SRK-100 replaces the top panels of one or two TD-100's, 2BA-221's, TLA-50's, or FeQ-50's for sag-free, solid support to mount in a standard 19-inch rack.
70.99
Usually ships in 7-14 business days.
Need it sooner? Call us!

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