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Line-3
Stereo Tube Preamplifier Output 2V (8V P-P max) Frequency response 10Hz~100kHz±1dB T.H.D. <0.02%(20Hz~20kHz) S/N ratio >96dB Channel Balance <1dB Channel Separation >76dB Input Impedance 250kΩ(RCA) Output Impedance <1.5KΩ Input sensitivity 50mV~100mV Vacuum Tubes 12AX7(ECC-83/5751)×2 12AU7 (ECC-82/6189) ×1 Weight 6 kg … Continued

Reference 1
- Rugged and beautiful stainless steel chassis with aluminum heat sinks
- High quality EI transformers and components
- Switching between high and low negative feedback
- Innovative tube circuitry with choke coil
- Point to point soldering

Reference 2S
- Rugged stainless steel chassis
- High quality EI transformer and components
- Innovative tube circuitry with choke coil
- Either 300B or 2A3 tube can be used
- Can be fine tuned with different regulator tubes
- Dual outputs (cathode follower and anode direct)
- Full remote control
- Switching between high and low negative feedback

Reference 2
- Rugged stainless steel chassis
- High quality EI transformers and components
- Innovative tube circuitry with choke coil
- Balanced line input and output
- Switching between in phase and out of phase
- Point to point soldering
- All tube MM and MC phono stage
- Adjustable cartridge loading and gain