Manley Enhanced Pultec EQP-1A STEREO Equalizer

Meet Manley's stereo version of the iconic Pultec EQP-1A. You get 2 channels of Pultec-style EQ, with all-tube makeup gain and a transformerless signal path.

The MANLEY ENHANCED PULTEC EQP-1A, available here as a stereo 2-channel unit, is Manley's interpretation of the historic Pultec Equalizer as originally produced by Pulse Techniques, Inc. Manley has been building these Manley Pultec EQs since 1990 -- after they bothered to hunt down Eugene Shenk in New Jersey to ask for his permission and blessings to produce their own version of his classic piece.

These Manley Pultec units employ a simple and clean all-tube make-up gain block to reamplify the signal after the passive EQ circuit. EQ may be set to 'flat' positions or BYPASSED entirely. All BOOST and CUT controls are continuously variable conductive plastic potentiometers for absolutely silent operation and long life. And if you notice, they've added a couple extra frequencies too. The rear mounted input switch selects 0 degrees or 180 degrees PHASE INVERT for the balanced gold pin XLR input or the transformerless unbalanced bridging input (1/4" jack) may be selected in that switch's middle position.

People often ask if the Pultec EQs sound like the old ones -- yes it is, but better! The originals had three transformers in the signal path whereas Manley's can be used completely transformerless. The Manley Enhanced Pultec has a vastly superior B+ power supply, with regulated and balanced heater supply. Manley's line amp is known to be killer-sounding. The components they use today just weren't available in the 1960's.

The MANLEY PULTEC EQP-1A, available here as a read more stereo 2-channel version, uses 1 x 12AX7WA and 1 x 6414 (or 5965) in an ALL-TUBE single-ended line amplifier for the gain make-up and extra-beefy sound; gain is factory set for unity but additional gain is available by a rear mounted feedback adjustment trimpot. Like Manley's 40dB Mic Preamps, the Manley Pultecs offer both transformer=coupled balanced and direct capacitor coupled unbalanced outputs for easy interface and sonic variety.

Kick drum? Bring on the Pultecs and all the iron you can muster! You'll soon discover the power and magic of having those individual Low Frequency BOOST and CUT controls in that LF shelf circuit. Need a little clarity or extension? Try that middle bell-shaped Boost dialing in the sharpness of the boost on the BANDWIDTH control. Something bugging you? Ease it off with the HF shelf cut. You'll see. There's no substitute for a what a Manley Pultec EQ can do!


- MANLEY input transformer with nickel laminations potted in mu-metal case. 3K Ohm input Z
- PHASE REVERSE switch for balanced XLR input
- Alternate transformerless 1/4" HI-Z (5K Ohm) input
- BYPASS switch & AUTO-MUTE w/warmup delay
- Silent conductive plastic BOOST & CUT controls
- Sealed gold-contact Greyhill frequency select switches
- Vacuum Tubes: 1 x 12AX7WA (gain) and 1 x 6414 (or 5965) White Follower
WARNING: Cancer and Reproductive Harm -
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Dimensions and Weight in Packaging
Base Item
Shipping Weight: 14.5 lbs
Shipping Dimensions: 23 x 15 x 8 in
Manufacturer Part Number (MPN): SPEQ

For support or warranty questions, please contact the manufacturer:
Phone: (909) 627-4256


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