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1971

Dual Four-band Parametric Equaliser

The Drawmer 1971 is a dual-channel, four-band parametric equalizer designed to deliver precise tonal control alongside rich analogue character. Combining stepped, recall-friendly EQ with Drawmer’s unique CRUSH harmonic saturation circuit on every band, it offers both corrective accuracy and creative colour in a single unit.

With fully parametric bands, variable bandwidth on the mid sections, sweepable high-pass and low-pass filters, and selectable slope control, the 1971 adapts easily to mixing, mastering, and sound-design tasks. From subtle refinement to bold, harmonically driven shaping, it provides engineers with a versatile analogue EQ that excels in both precision and personality.

Overview
Features
Specifications
h h
Resources

Vintage Character & Harmonic Control
The Drawmer 1971 is a dual-channel, four-band parametric equalizer that balances precision with unmistakable analogue warmth. It delivers the accuracy required for subtle tonal refinement and fast recall, while offering the ability to sculpt bold, musical curves that bring depth and character to any source.

Central to the 1971’s identity is the CRUSH circuit — a unique harmonic saturation stage available on every EQ band. By introducing controlled distortion, CRUSH recreates the feel of driving a vintage console or tape machine. From gentle colour to assertive grit, it adds weight to drums, presence to vocals, and sheen to full mixes.

Versatile & Accurate Equalisation
Each channel features four fully parametric EQ bands with variable frequency selection and ±12 dB of cut or boost. Precision-stepped potentiometers ensure consistent, repeatable results, making the 1971 ideal for workflows where recall and stereo accuracy matter.

The two mid bands include continuously variable bandwidth control, allowing anything from tightly focused corrective EQ to wide, natural tonal shaping. This flexibility makes the 1971 equally effective for problem-solving, enhancement, or creative sound design, while retaining the musical response of a true analogue circuit.

Filters & Slope Control
Fully variable high-pass and low-pass filters provide precise control over unwanted extremes. The low-cut filter sweeps from 10 Hz to 240 Hz, while the high-cut filter ranges from 4 kHz to 31 kHz, enabling accurate removal of rumble, hiss, or excess energy without compromising musical balance.

The low and high bands also feature selectable slope control, offering 6, 9, or 12 dB per octave responses chosen for their smooth, musical behaviour. A dedicated Peak mode adds a focused boost at the knee of the low filter, reinforcing punch and impact — particularly effective on kick drums — while still filtering subsonic content.

CRUSH Harmonic Saturation
CRUSH is fully progressive: the more EQ boost applied, the stronger the harmonic saturation becomes. In the low frequencies it fattens kick drums, bass, and toms; in the midrange it adds warmth and density to vocals, guitars, and percussion; and at the top end it introduces shimmer, air, and presence.

An instant CRUSH bypass allows easy A/B comparison, while the EQ overload LED provides clear visual feedback when applying heavier boosts. With CRUSH engaged, the 1971 becomes more than an equalizer — it is both a precision corrective tool and a powerful source of vintage analogue colour.

Features

  • Dual-channel, four-band parametric equalizer delivering classic analogue character with modern control
  • Vintage warmth with contemporary precision suitable for mixing, mastering, and sound design
  • Stepped potentiometers provide accurate, repeatable settings and reliable recall
  • Fully variable low-cut and high-cut filters for precise removal of unwanted frequencies
  • Continuously variable bandwidth on both mid bands for focused corrective EQ or broad musical shaping
  • Selectable slope and Peak modes add punch, focus, and musical emphasis to low frequencies
  • Independent CRUSH saturation on each band introduces controlled harmonic enhancement
  • Adds harmonics, presence, and analogue colour to individual tracks or full mixes
  • True hardware bypass on each band allows instant A/B comparison
  • Low-hum toroidal linear power supply with rear-panel voltage selector
  • Rugged steel chassis with aluminium front panel for long-term reliability
  • Designed and handmade by Drawmer in the United Kingdom

Specifications

Input Impedance 20k Ohms or greater
Maximum Input Level +21 dBu
Output Impedance < 100 Ohms
Maximum Output Level
Into 10k Ohms load
+21 dBu
Frequency Response 20 Hz – 20 kHz ±0.5 dB
Crosstalk
@ 1 kHz
< –90 dB
Distortion (THD & Noise)
@ 1 kHz, 0 dB at line input
0.003%
Mic EIN –130 dB
Power Requirements 115 V or 230 V at 50–60 Hz
30 VA
Fuse Rating
@ 230 V
T250 mA
Fuse Rating
@ 115 V
T500 mA
Fuse Type 20 mm × 5 mm, Class 3 Timed-Blo, 250 V working
Conforming to IEC 127-2
Case
Depth
270 mm
Case
Width
482 mm
Case
Height
88 mm
Weight 4.2 kg

In the interests of product development, Drawmer reserve the right to modify or improve specifications of this product at any time, without prior notice.

Downloads

1971 User Manual

Higher Resolution Images of the 1971

1971 Recall Sheet

1971 Literature

Reviews

READ: 1971 Review ~ Sound on Sound

READ: 1971 Review ~ Bonedo (Deutsch)

WATCH: 1971 Review ~ MixbusTV

WATCH: 1971 Review ~ Andre Salmon (Español)

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Products
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500 Series Atas Audio

500 Series

500 Series Chassis

500-Series Chassis

Dynamics Atas Audio

Dynamics

Equalizers Atas Audio

Equalizers

Monitor Controllers Atas Audio

Monitor Controllers

Noise Gates Atas Audio

Noise Gates

Preamplifiers Atas Audio

Preamplifiers

Signal Distribution Atas Audio

Signal Distribution

Studio Monitors Atas Audio

Studio Monitors

Channel Strips

Channel Strips

Saturation

Saturation

MPE Keyboards Atas Audio

MPE Keyboards

Mid Side Processing

Mid-Side Processing

Reverb Atas Audio

Analog Reverb

Drawmer

Telegrapher

Garbage Ideas

Z&H Designs

Mesanovic

IGS Audio

Expressive E

Looptrotter

HLabs