SKU: 34202720913

Warm Audio WA73-EQ 1073-STYLE 1-CHANNEL Solid State Mic Preamp Weq

Sale price$629.55 Regular price$699.50
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Description

Warm Audio WA73-EQ 1073-STYLE 1-CHANNEL Solid State Mic Preamp WeqIf there's one preamp that professional engineers would unanimously agree has defined the tone of pop rock records for the last 50+ years, it would most definitely be the venerable 1073. The 1073 has been massively used in recording and live applications for decades and is still considered to be the "Holy Grail" of preamps today. The Warm Audio "WA73 Family" provides single and dual channel re creations of this classic British preamp (with & without

If there's one preamp that professional engineers would unanimously agree has defined the tone of pop/rock records for the last 50+ years, it would most definitely be the venerable 1073. The 1073 has been massively used in recording and live applications for decades and is still considered to be the "Holy Grail" of preamps today. The Warm Audio "WA73 Family" provides single and dual channel re-creations of this classic British preamp (with & without EQ), that each pay careful and humble homage to the original circuit.

The WA73-EQ is a "Desert Island" boutique preamp, but it can also be classified as a studio and live work-horse. The classic 1073 was known for being a versatile tool that worked with all kinds of microphones from Condenser, to Dynamic, to Ribbon. The WA73-EQ equally shines on all types of microphones and sources including; vocals, acoustic/electric guitars, bass, drums, percussion, orchestras, keyboards, and even as a tone shaping tool to run partial or complete mixes through. With 80dB of gain, a fully discrete Carnhill Transformer balanced signal path, and versatile 3 band inductor EQ, there's no recording, mixing or engineering task the WA73-EQ cant handle.

UK Custom Carnhill Transformers

1073 enthusiasts unequivocally get excited about the component history in these classic circuits. The signal transformers are a common topic of conversation. The classic vintage units used various versions of transformers throughout the years, and the most coveted were the very first versions made by Marinair Radar. Marinair Radar Transformers are regarded as the most desirable 1073 choice due to their fluid and forgiving nature. They saturate sweetly when pushed, and have been known to make engineers cry when they hear how beautiful their mixes sound through them! Warm Audio worked closely with Carnhill Transformers of Cambridgeshire, UK, to design faithful replicas of these most coveted, early version transformers.

Hand Wired & Hand Assembled

The classic 1073 was hand-wired and so is the WA73-EQ! The WA73-EQ is authentically hand-wired and hand assembled, including the pcb components that are all populated by hand.

Capacitors & Signal Path

An important part of the classic British circuits not often discussed are the different styles of capacitors and output transistor used. Warm Audio maintained integrity to the original design by using tantalum and polystyrene capacitors in the signal path and an output transistor choice that is much smoother in the high gain settings than what is typically found in modern 1073-style replicas.

UK Blore Edwards Switch-Pots

A great sounding 1073-style circuit should be just as reliable as it is great sounding. The complex dual concentric switch potentiometers in the EQ section of the WA73-EQ are made in the UK by Blore Edwards who manufacture military spec switches and potentiometers. The use of Blore-Edwards components is no small inclusion for a 1073-style preamp-eq in this price range.

Specifications:

• Single Channel, Class A, 1073-style British Microphone Preamp with EQ
• UK made Carnhill Transformers
• UK made - Blore Edwards EQ dual-concentric switch potentiometers
• Hand Wired, hand assembled
• 80dB of gain - resistor stepped gain switch
• Fully discrete
• TONE button - Changes input transformer impedance for varying tone
• Polarity switch
• 48v phantom power
• Inductor based 3 band EQ
• Low Band Boost/Cut - 35, 60, 110, 220 Hz
• Mid Band Boost/Cut - 360, 700, 1600, 3200, 4800, 7200 Hz
• High Band Boost/Cut - 10, 12, 16 kHz
• Additional high band frequency EQ points added (compared to vintage 1073)
• 4 position inductor based hipass filter - 50, 80, 160, 300 Hz
• XLR mic inputs (front & back)
• Line level TRS input
• TS Send/Receive insert jacks
• XLR & TRS line level outputs
• Direct In, instrument input
• Output control
• Led level indication
• Freq response 20Hz - 20kHz +/-.5 dB
• 19" rackable
• Internal IEC 115v/230v power inlet

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 34202720913

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iamoverrated
Port Orchard, US
★★★★★ 5
A Lungful of Freedom
Size: 9.7" x 9.3" x 1.8"
Dateline: The Passenger-Side Footwell of a Toyota Venza, Sunday Night. We spend our lives in sealed metal boxes, hurtling through a thick, invisible soup of our own collective filth. A foul cocktail of exhaust fumes, road dust, tire particles, and whatever strange, pollen-based miasma the world decides to throw at us on any given day. To breathe that poison in, unfiltered, is an act of slow, unwitting suicide. You need a line of defense. A gatekeeper for your own lungs. Enter the Bosch 6055C HEPA Cabin Air Filter. It is not a glamorous part. It is not a performance upgrade that adds horsepower or prestige. It is a simple, pleated rectangle of paper and charcoal, a humble guardian destined to live out its days in a dark plastic cave behind your glovebox. But its mission is a noble one. The replacement process is a moment of pure, unadulterated, five-minute victory over the dealership's service department. You pop open the glovebox, you unclip the old filter tray, and you pull out the old soldier. And what you find is a horror show. A grey, matted testament to the unseen war it has been fighting on your behalf, choked with leaves, dirt, and the ghosts of a thousand diesel trucks. It is the face of the enemy. You unwrap the new Bosch filter. It feels solid, well-made. The pleats are clean and numerous. I laid it side-by-side with the outgoing Denso filter—a brand that supplies the automakers themselves—and I could find no meaningful difference. The quality was equal. The construction, robust. This was no flimsy, cut-rate pretender. This was a serious piece of hardware from a serious company. You slide the clean, white Bosch into the tray, snap it back into its dark little home, and close the glovebox. The deed is done. You have performed a life-saving transplant on your vehicle's respiratory system in less time than it takes to listen to a single pop song. And the value… the value is the sweet, sweet punchline. For a fraction of what a dealership would charge you for the same simple service, you have installed a top-tier, HEPA-grade filter from one of the most respected names in the business. You have guaranteed yourself a clean, breathable bubble of personal space as you navigate the toxic jungle of the modern roadway. This is not just a filter; it's a small, affordable act of rebellion. It’s a declaration that you, and you alone, are the master of the air you breathe. It is a simple, effective, and profoundly satisfying piece of gear. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2025
J
Verified Purchase
JoAmazonDude
Boise, US
★★★★★ 4
Great Upgrade to your Cabin Filter. Fits 2018 Subaru Outback
Size: 9.7" x 9.3" x 1.8"
This is a great filter upgrade to your cabin filter. This is better than the Subi standard part. Fits my Subaru outback. NOTE: Subi marks their filter with an 'up' arrow; however, this filter is marked with a 'airflow' direction. Direction of air flow is toward the blower motor so it will point downward when you install it.
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Reviewed in the United States on April 25, 2026
J
Verified Purchase
Jerry
Charlottesville, US
★★★★★ 5
Much cheaper than letting dealership do the job
Size: 9.7" x 9.3" x 1.8"
Filter fits well in works well
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Reviewed in the United States on May 8, 2026
G
Verified Purchase
Good product, Not easy to install
West Palm Beach, US
★★★★★ 5
Not fit for 2023 Highlander
Size: 9.7" x 9.3" x 1.8", Size: 9.7" x 9.3" x 1.8"
Product quality is good, that's why I give 5 stars. However it was not fit for my 2023 Toyota Highlander,, so returned.
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Reviewed in the United States on May 3, 2026
J
Verified Purchase
JPM
New York, US
★★★★★ 5
Air flow direction
Size: 9.7" x 9.3" x 1.8"
Good product. Fits fine. This is not a Toyota part so Air Flow Arrows on filter should face down in a 2015 Toyota Rav4.
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Reviewed in the United States on March 27, 2026

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