The Enhanced Pultec EQP1-A Equalizer from Manley Labs is a modern version of the single-channel, two-band classic Pulse Technique EQ featuring low and high frequency control, each with simultaneous boost and cut capabilities. Professional-grade components are used throughout and include conductive plastic potentiometers, sealed gold-contact switches, polystyrene capacitors, rolled film capacitors, foil capacitors, custom-wound transformers and a B+ power supply with regulated and balanced heater supply. The all-tube make-up gain block is used to amplify the passive inductor-based circuit providing high output and low distortion.

The Enhanced Pultec is divided up into three sections. Low frequency offers a shelf-style filter with frequency selection, boost and cut, while the high frequency boost is a peak filter featuring a variable bandwidth control, frequency selection and boost control. The high frequency cut offers a shelf filter with frequency selection and cut control. Utilizing both cut and boost controls simultaneously results in unique shapes for custom tailoring your sound.

Features not found in the original design include an expanded frequency selection, transformerless inputs and outputs, and a gain set preset for adjusting the feedback over the line amplifier. The 3-way toggle switch on the rear of the unit provides phase reversal. The up position retains 0°, while the down position switches the balanced transformer wiring 180° out of phase. The center position switches off the transformer, optimizing the unbalanced 1/4" input to an impedance of 5000Ω. Handmade in the USA, the unit is housed in a 1U steel chassis with a CNC-machined 1/4" faceplate that is also inlaid with laser-engraved inserts. The Enhanced Pultec ships with an IEC power cable.

Manley Input and Output Transformers    All-Tube Line Amplifier    Silent Conductive Plastic Controls    Greyhill Frequency Select Switches    Additional Transformerless Output    Auto-Mute Warm-Up Delay    Handmade in the USA

• Low Frequency Boost/Cut: 20,30,60,90,120 Hz
• High Frequency Boost: 1, 1.5, 2, 3, 5, 8, 10, 12, 14, 16 kHz
• High Frequency Cut: 4, 8, 12, 15, 20 kHz

• Manley input and output transformers
• Phase reverse for balanced XLR input
• 1/4" transformerless input
• Bypass Switch
• Auto-mute with warm-up delay
• Silent conductive plastic boost and cut controls
• Sealed gold-contact Greyhill frequency select switches
• Vacuum Tubes: 1 x 12AX7WA (gain) and 1 x 6414 (or 5965) White Follower

Related Questions and Answers

Q: 1. can I use this with my laptop to help adjust bass and treble?

A: Yes, the Bellari EQ570 4-Band Audio Equalizer can be used to adjust the bass and treble for your laptop audio.

Q: 2. Can this be connected with USB ? Please explain how this connects either way. Thanks

A: The Creative Labs Stage 360, (B&H # CRST360) can connect over HDMI or Optical. While it does have a USB A port, this is only used for service purposes, it does not work for connecting anything else.

Q: 3. What is this "form factor?" Are there any photos which show the objects three dimension?

A: Although there is only one photo, the dimensions of the RDL FP-PEQ3 - 3-Band Parametric Equalizer in Compact Enclosure are stated as 5 11/16" x 3 1/4" x 1 7/16".

Q: 4. Where is this product made?

A: Made in China

Q: 5. Can it be used with 230v europlug ?

A: This is a120V AC/60Hz device only.

Q: 6. To which country does Atlas belong?

A: Atlas Sound is a USA company

Q: 7. Can this EQ be used in mixing or mastering?

A: The Rolls RPQ160b is a Parametric EQ so you can use it on what ever you want.

Q: 8. can you attenuate the output signal completely by turning the level controls completely counter-clockwise?

A: The input control is listed as input level, not a mute. It may still pass low level signal, even all the way down.

Q: 9. Is this appliance voltage 220V?

A: The Manley Labs Slam tube stereo limiter and mic preamp is not 220V. It is rated for 120V use only.

Q: 10. How does this parametric EQ compare with other units?

A: The RDL FP-PEQ3 - 3-Band Parametric Equalizer in Compact Enclosure is unique in its form factor, terminal block wiring connectivity, and application, among other variables.