2-610 Dual Channel Tube Preamplifier



Manuals & Related Links


User Manual: 2-610 User Manual
Related Links: 2-610 Product Page
                        Replacing Tubes in Your UA Analog Hardware                       
                        Springing Forward With UA Hardware


Features & Specs
  • All-tube dual channel preamplifier derived from legendary Bill Putnam-designed 610 modular console
  • Variable impedance Input, Gain, and Output levels
  • High and Low shelving EQ
  • Mic, balanced line and Hi-Z inputs
  • Custom wound double sized alloy transformers
  • Front panel -15 dB Pad switch
  • Improved EQ circuit and more “open” sonics
  • Ultra quiet operation
  • Updated “silverface” cosmetics; enhanced build quality
  • Hand-built in USA; backed by 1-year limited warranty
Microphone Input Impedance
Selectable, 500 Ω or 2k Ω
Balanced Line Input Impedance
13.8 k Ω
Hi-Z Input Impedance  
Selectable between 2.2 M Ω or 47 k Ω
Maximum Microphone Input Level
+3.5 dBu
Maximum Output Level
+20 dBm
Internal Output Impedance
60 ohms
Recommended Minimum Load
600 ohms
Frequency Response
20 Hz to 20 kHz, ±1 dB
Max Gain
61 dB
Signal to Noise Ratio
Greater than 82 dB
Tube Complement
(1) 12AX7A and (1) 12AT7 per channel
Power Requirements
115/230 volts
Power Consumption
30 watts
12.25 lbs.
19"W x 3.5"H x 12.25"D
(19" Rackmount chassis, 2U)

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