Tube-Tech EM1A Tube-Tech EM1A Tube-Tech EM1A


Product Information
Overview The TUBE-TECH EM 1A Equalizer contains a low frequency boost and attenuation section (shelving), and a high frequency boost section (peaking). The high frequency section has variable bandwidth as well as attenuation (shelving). The filter section is of the passive type followed by a tube based push-pull amplifier to restore the gain.

Input and output are balanced as well as fully floating. Input and output transformers come with a static screen between the primary and secondary wirings.
Features
  • Passive equalizer
  • Tube based push-pull amplifier
  • 4 low frequency boosts: 20, 30, 60 and 100 Hz (0 to +14 dB)
  • 4 low frequency attenuations: 20, 30, 60 and 100 Hz (0 to -18 dB)
  • 10 high frequency boosts with variable bandwidth: 1, 1.5, 2, 3, 4, 5, 8, 10, 12 and 16 kHz (0 to +18 dB with sharp bandwidth sharp, 0 to +10 dB with broad bandwidth)
  • 3 high frequency attenuations: 5, 10 and 20 kHz (0 to -18 dB)
  • Frequency response @ -3 dB: 5 Hz to 40 kHz
  • Low noise: < -85 dB @ 0 dB gain
  • No insertion loss
  • Click less in/out switch
Specifications
  • Impedance
  • Input: 600 ohm
  • Output: < 60 ohm
  • Frequency response @ -3 dB: 5 Hz to 40 kHz
  • Distortion THD+N @ 40 Hz
  • 0 dBu: < 0.15 %
  • +10 dBu: < 0.15 %
  • Noise Rg=200 ohm
  • Unweighted: < -85 dBu
  • CCIR-468-4: < -75 dBu
  • CMRR @ 10 kHz: < -60 dB
  • Max. input @ 1 % THD+N: > +21 dBu
  • Max. output @ 1 % THD+N: > +26 dBu
  • Gain 0 dB
  • Tubes
  • ECC 81 1 pc
  • ECC 82 1 pc
  • Dimensions
  • Height: 3 units 176 mm 6.93"
  • Width: 50 mm 1.97"
  • Depth: 220 mm 8.86"
  • Weight
  • Net: 1.0 kg 2.2 lbs.
  • Shipping: 1.8 kg 2.7 lbs.
  • Power requirements
  • 12 W
Documents
Brand Tube-Tech
Model EM1A
Part Number EM1A
Product Category Microphone Preamps, Equalizers, Compressors, Limiters & Gates
Unit of Measure EACH
Weight 2.70 lbs.
Tube-Tech Performance Audio is an authorized Tube-Tech dealer.
TUBE-TECH represents the ultimate in sound production and musical sound shaping. The Blue Gear has kept the leading position for many years, regardless of changes in recording techniques, trends, and competition from many other brands.
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