MPN #EQP-1S3    

$6295.00

Financing available
Free shipping in Canada. Conditions

The EQP-1S3 is a very rare variant of the EQP-1A3, which features modified low-frequency shelf boost/atten curves, additional peak boost frequencies & high-frequency shelf boost.



  • 30, 40, 70, 100 CPS shelf boost, 0 - 13.5 dB
  • 30, 40, 70, 100 CPS shelf attenuate, 0 - 17.5 dB
  • 1, 2, 3, 4, 5, 6, 8, 10, 12 KCS peak boost, 0 - 18 dB; 5, 10 KCS shelf boost, 0 - 14 dB
  • 5, 10, 20 KCS shelf attenuate, 0 - 16 dB
  • Input Impedance: ~600 OhmsOutput Impedance: ~50 Ohms
  • Noise: 92 dB below +10 dBmDistortion: 0.15% at +10 dBm into 600 Ohms
  • Amplifier: Flat, 20 CPS to 20 KCS, +/- 0.5 dB
  • Tubes: 1 ea 12AU7, 12AX7, 6X4
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