2-610 Dual Channel Tube Preamplifier

Manuals & Articles

User Manual:  2-610 User Manual

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Features & Specs
 
Features
  • 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
Specifications:
 
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
 
Weight
12.25 lbs.
 
Dimensions
19"W x 3.5"H x 12.25"D
(19" Rackmount chassis, 2U)
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