ZEQD-Pre
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ZEQD-Pre

The ZEQD-Pre is an all-analog tube preamp pedal built by EarthQuaker Devices with Dr. Z Amplification. It uses an EF86 pentode and a passive three-band EQ, and has headphone and balanced XLR outputs with analog cab simulation. It suits guitarists and bassists who want a pedalboard amp for practice, direct recording or hybrid rigs.

  • EF86 pentode tube preamp in a pedalboard format
  • Passive three-band EQ plus separate Boost footswitch
  • Headphone output with analog cab simulation
  • Balanced XLR out with ground lift and cab sim bypass
  • All outputs stay active when the pedal is bypassed
  • Mechanical true bypass; 9V DC, 500 mA, center negative
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Opis

The ZEQD-Pre is a tube preamplifier in pedal format, developed jointly by EarthQuaker Devices and Dr. Z Amplification. Its gain stage is an EF86 pentode, the tube found in many Dr. Z amps. The pedal has two sides: a passive Bass/Middle/Treble EQ with a Level control, and a Boost side that bypasses the tone controls and has its own Boost knob. Mechanical true bypass switching is used.

Three outputs are available and all of them work at the same time, including when the pedal is bypassed. A TRS headphone jack with analog cabinet simulation serves for quiet practice, and a balanced XLR direct output can feed a console or interface. The XLR output has a Ground Lift switch and a Cab Sim Bypass switch for sending an uncoloured signal to an IR loader or modeling software.

The pedal runs from a 9V DC supply (2.1 mm, center negative) rated at 500 mA or more. Its page lists guitar, bass and amp audio samples, and the device carries a limited lifetime warranty from the maker.

Videozapis

Specifikacije

Marka
EarthQuaker Devices
Model
ZEQD-Pre
Kategorija
Efekti i pedale

Controls

Rotary knobs
Boost, Level, Bass, Middle, Treble
Bass range
20 Hz to 400 Hz
Middle range
400 Hz to 2 kHz
Treble range
2 kHz to 20 kHz
Footswitches
Activate, Boost
Side switches
Ground Lift, Cab Sim Bypass

Audio

Tube
EF86 pentode
EQ
Passive three-band
EF86 gain factor
185
EF86 output
44V RMS
Cabinet simulation
Analog
Switching
Mechanical true bypass

Inputs

Input impedance
10 MΩ

Outputs

Headphone output
TRS (stereo) ¼" jack
Direct output
Balanced XLR
Output impedance
Variable
Headphone out impedance
39 Ω
Direct out impedance
100 Ω

Power

Power supply
9V DC, 500 mA or higher, 2.1 mm negative-center barrel
Current draw
500 mA

Physical

Dimensions
5.88 x 3.94 x 2.75 in. (149 x 100 x 70 mm) with knobs
Artwork
Geoffrey Crowe

Warranty

Warranty
Limited lifetime warranty

Dokumenti

PDF Korisnički priručnikPDF · od proizvođača

Podaci: earthquakerdevices.com; fotografije: EarthQuaker Devices product page · ažurirano 2026-10-13 · Pronašao si grešku? Piši nam