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Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)

Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)

$9,000.00

Classic Tube EQ with enhanced mastering controls

In stock

Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)
Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)

$9,000.00

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Description

Pultec EQM-1S3 Tube Mastering EQ’s Pair (Used)

As described on the EQP-1S3 product page, the 2U EQP-1S3 is an enhance version of the EQP-1A3.  The EQM-1S3 (mastering version) takes the EQP-1S3 one step further by replacing the BOOST/ATTEN potentiometers with 21-position (and BW with 11-position) ELMA switches, loaded with precision metal film resistors to achieve custom tapers for each control. 

The current design implements our “full-range, progressive-taper” design, which provides 0.5 dB per step precision for the first 50% of rotation and then progressively larger (1 or 2 dB) steps as the control is rotated from 50% to 100% of rotation.  This allows precise control for subtle equalization for mix bus or similar applications or the full 18-20 dB BOOST/ATTEN of the potted version when tracking or mixing of individual tracks.  Furthermore, the stepped controls make recall a breeze and the precise tracking between units is essential for stereo image retention when using a pair on the stereo mix bus.

SPECIFICATIONS

30, 40, 70, 100 CPS (Hz) shelf boost, 0 – 13.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)

30, 40, 70, 100 CPS shelf attenuate, 0 – 17.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)

1, 2, 3, 4, 5, 8, 10, 12, 16 KCS (kHz) peak boost, 0 – 18 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)

5, 10 KCS (kHz) shelf boost, 0 – 14.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)

5, 10, 20 KCS shelf attenuate, 0 – 16 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)

Input Impedance: ~600 Ohms

Output Impedance: ~50 Ohms

Noise: 92 dB below +10 dBm

Distortion: ≤ 0.15% at +10 dBm into 600 Ohms

Amplifier: Flat, 20 CPS to 20 KCS, +/- 0.5 dB

Tubes: 1 ea 12AU7, 12AX7, 6X4

*Note 1: FRPT = full-range, progressive-taper. Step size increases when control is rotated beyond 50% rotation.

Note 2: The inherent interaction of Pultec controls affects the step size when both boost and attenuation are applied simultaneously.

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Additional information
Brand

Pultec
Condition

New
Technical Specifications:
  • 30, 40, 70, 100 CPS (Hz) shelf boost, 0 - 13.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)
  • 30, 40, 70, 100 CPS shelf attenuate, 0 - 17.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)
  • 1, 2, 3, 4, 5, 8, 10, 12, 16 KCS (kHz) peak boost, 0 - 18 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)
  • 5, 10 KCS (kHz) shelf boost, 0 - 14.5 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)
  • 5, 10, 20 KCS shelf attenuate, 0 - 16 dB (FRPT* stepped control, 0.5 dB steps 0-5 dB)
  • Input Impedance: ~600 Ohms
  • Output Impedance: ~50 Ohms
  • Noise: 92 dB below +10 dBm
  • Distortion: ≤ 0.15% at +10 dBm into 600 Ohms
  • Amplifier: Flat, 20 CPS to 20 KCS, +/- 0.5 dB
  • Tubes: 1 ea 12AU7, 12AX7, 6X4