ESC
670

670

ManufacturerFairchild
FunctionDynamics (compressor/limiter)
Produced50s
CountryUSA
Form Factor19" Rackmount
Signal PathAnalog Hardware
Dimensions19" rack 14" panel space 11" depth
Weight65 lbs
Power115 V, 3 A, 50-60 cy AC
Frequency Response20 cy - 15 kcy +/- 1db
Channels2 Channel
Controls
  • 2x Input Gain (stepped) · Rotary Pot · 1 db/step
  • 2x Treshold · Rotary Pot
  • 2x Time Constant (6 pos.) · Rotary Switch
  • 2x Metering (3 pos.) · Rotary Switch
  • Mode · Rotary Switch
  • on/off · Toggle Switch
NotesINPUT IMPEDANCE: 600 ohm OUTPUT IMPEDANCE: 600 ohm RANGE OF INPUT LEVEL: 0 dbm to +16 dbm. OUTPUT LEVEL: +4 or +8 dbm (+27 dbm clipping point) GAIN: 7db SEPARATION: A-B position: 60 db vertical-lateral position: 40 db NOISE LEVEL: 70db below +4 dbm INTERMODULATION OR HARMONIC DISTORTION: Less than 1% at any level up to + 18 dbm output (no limiting) Less than 1% at db limiting +12dbm output ATTACK TIME: 0.2 ms (positions 1 and 2) 6.4 ms (positions 3,4 and 5) RELEASE TIME: Pos.1: 0.3 s, Pos.2: 0.8 s, Pos.3: 2 s, Pos.4: 5 s, Pos.5: Automatic function of program material: 2 seconds for individual peaks. 10 seconds for multiple peaks. 25 seconds for consistently high program level. COMPRESSION RATIO: A function of the amount of limiting as well as setting of the two threshold controls which can be set to operate at ratios from 1:2 to 1:30 TUBES: 8x 6386, 1x 6084, 1x 5651, 2x 12AX7, 2x 12BH7, 1x EL34, 4x 6973, 1x GZ34(5V4)
Added by bancho · Last edited by nik