Preamplificador de micrófono de 2 canales

TUBE CHANNEL (Left Channel):
· Tube Channel Vacuum Tubes: 1 x 12AT7EH + 1 x NOS 6414 or 6414W
· Gain Range: +10 dB to +80 dB (20 to 70dB in 5 dB steps)
· Mic Input Impedance: 600, 2400, 10,000 Ohms
· Instrument Input Impedance: 300K,1Meg, 3 Meg Ohms
· Frequency Response: (-1 dB) 10 Hz to 30 kHz; (-3dB) 5 Hz to 45 kHz
· THD & NOISE (1 kHz @ 20 dB gain): 0.035% typical (-68 dB)
· Noise Floor: -60 dB typical referenced to +4dBm · EIN: -120 dB
· Signal to Noise @ 70 dB Gain: 95dB (TRIM has major effect)
· Maximum Output for 1% THD via BALANCED +4 XLR: 31 dBu

COOL CHANNEL (Right or Solid State Channel):
· Gain Range: +10 dB to +80 dB (20 to 70dB in 5 dB steps) · Mic Input Impedance: 300, 600, 2000, 2 Meg Ohms
· Instrument Input Impedance: 100K, 300K,1Meg, 3 Meg, 10 Meg Ohms
· Frequency Response: (-1 dB) 15 Hz to 30 kHz; (-3dB) 5 Hz to 50 kHz
· THD & NOISE (1 kHz @ 20 dB gain): 0.01% typical (-80 dB) (no distortion products measurable, noise dominates measurement)
· Noise Floor: -66 dB typical referenced to +4dBm · EIN: -126 dB
· Signal to Noise @ 70 dB Gain: 85dB (TRIM has little effect)
· Maximum Output for 1% THD via BALANCED +4 XLR: 30 dBu via UNBALANCED +4 output: 24 dBu via
· UNBALANCED -10 output: 16 dBu
· Distortion @ 1K using 60' / 70's switch: 1.5% typical with LED onset (+4 dBu out) 3% typical with LED fully lit (+7 dBu out)