Pultec EQP-1A3
Passive Tube Program EQ
Equalizer$4,295Manufacturer list price
Specifications
- Type
- Equalizer
- Description
- Passive Tube Program EQ
- Topology
- passive LC program EQ, tube makeup gain
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono
- Form factor
- 19-inch rack, 2U
- Rack units
- 2
- Powered
- yes
- Frequency response
- 20 Hz-20 kHz, ±0.5 dB
- Impedance (Ω)
- 600 (in) / 50 (out)
- Introduced
- 1971
- Country of manufacture
- USA
Details
Controls: Low shelf boost 20/30/60/100 Hz (0-13.5 dB); low shelf attenuate 20/30/60/100 Hz (0-17.5 dB); mid/high peak boost 3/4/5/8/10/12/16 kHz (0-18 dB); high shelf attenuate 5/10/20 kHz (0-16 dB)
I/O: transformer-balanced input/output; input impedance ~600 ohms, output impedance ~50 ohms
Notable use: Power Station (NYC) reportedly owned 24 units per control room
Notes: Current maker Pulse Techniques LLC. 2U condensed version of the 3U EQP-1A; maker states 'SAME PARTS, SAME SPECS.' Tube complement: 12AU7, 12AX7, 6X4. Solid-state gain-stage sibling is EQP-1A3-SS; mastering-control (stepped ELMA switch) sibling is EQM-1A3 (separate rows).