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Warm Audio WA273 Microphone Preamp
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Warm Audio WA273 Microphone Preamp

2-channel Mic/Line/Instrument Preamp

Warm Audio WA273 Microphone Preamp

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Product Description

Warm Audio WA273 Microphone Preamp (MB-WA273)

Warm Audio WA273 Microphone Preamp (WA-273)

The legendary 1073 wrote the book on characterful mic preamplification. This venerable circuit helped define the punchy sound of '70s rock — and countless recordings and live concerts ever since. Today, this coveted tone can be yours for a song, with the Warm Audio WA273 mic/line/instrument preamp. In both design and performance, the 2-channel WA273 pays homage to the revered British console lineage that started it all. Throughout the audio industry, the 1073 is considered the holy grail of preamps, with a rich, sweet, and bold tonality that's ideal for making audacious statements with your music. After years of R&D, painstaking reverse-engineering, and countless hours of listening, Warm Audio captured the sonic essence of this classic perfectly in their boutique WA273. With 80dB of gain and a fully discrete transformer-balanced signal path, the sound is a revelation: harmonically rich bottom end, focused midrange, and slightly resonant highs.

  • Handwired, hand-assembled 1073-style preamplifiers
  • Fully discrete, Class A, transformer-balanced circuitry
  • UK-made Carnhill Transformers
  • 80dB of gain handles any type of microphone, including low-output ribbons
  • Resistor-stepped rotary gain switches for easy recall
  • Tone buttons change input transformer impedance for mic optimization and tonal shaping
  • Polarity switches
  • 48V phantom power
  • 4-position inductor-based highpass filters, selectable for Off, 50, 80, 160, or 300Hz
  • XLR mic inputs
  • Line-level TRS inputs
  • TS Send/Receive insert jacks
  • XLR and TRS line-level outputs
  • DI instrument inputs
  • Output level controls
  • LED level indication meters
  • Rugged 19" rackmount chassis
  • Ground lift switch
  • Internal IEC 115V/230V power inlet

  • Preamp Type:Class A Solid State
  • Number of Channels:2
  • Phantom Power:Yes
  • Polarity Switch:Yes
  • EQ:Highpass 50Hz, 80Hz, 160Hz, 300Hz
  • Analog Inputs:2 x XLR (mic), 2 x 1/4" (line), 2 x 1/4" (Hi-Z)
  • Analog Outputs:2 x XLR, 2 x 1/4"
  • Channel Inserts:Yes
  • Frequency Response:20Hz-20kHz (±0.5 dB)
  • Rack Spaces:1U
  • Power Source:Standard IEC AC cable
  • Width:19"

Dimension Packaging Weight : 7.2 kg

Frequently Asked Questions (FAQs)

Yes! Majority of our product provides a minimum 1 year warranty on the electronic parts.

Definitely! You can contact our sales team through 016-3111286 or head over to Music Bliss showroom to view the item before buying it. We are honored to have you over!

It usually takes only 3-7 working days for the item to be safely delivered to your doorstep. Self-collection and Lalamove (local delivery) is available as well!

Of course! You can head over to Music Bliss showroom for self-collection during our working hours.
10am - 7.30pm (Mon - Thurs)
10am - 7pm (Fri - Sat)
10am - 6pm (Sun)

Yes! Please note that the delivery hour for Lalamove service is only available for local delivery, from 11am to 5pm daily. For delivery ,please check out choosing Lalamove/Grab service or contact the mainline 016-3111286.

Customer Reviews

Based on 10 reviews
Jose G.R.M.
The Real Sound

I was finding that big sound on a lot songs and I find it. I'm using the WA-273 on my mastering chain and is awesome. Is like a magic device. I have amazing results since the first day. The WA-273 is hard like a tank and feel like the real stuff. Good job Warm Audio you have me five stars.

Peter J.M.
WA273 Brilliance

I can not even begin to applaud Warm Audio for this device. Through the line channel, it adds defined resolution and brilliance to my direct signals. Turn it beyond 20db and the whole world opens up to a British clearity I have never heard before other than in recordings. This thing puts my sound quality beyond anything I ever dreamed of, and should place my recordings in audiophile listening environments without any lack of authority and resilience. A really cool unit.

Great piece, excellent support.

I own several pieces of WA outboard gear and I love them all. WA gear is the best balance of budget vs quality out there. The WA273 was my most recent purchase and I am not disappointed. Obviously, they have to cut quality in some places to keep the price down... but those places seem to be mostly cosmetic- like plastic knobs, nuts, and switches. Mine arrived with the plastic nut around one of the instrument jacks cracked. I called WA and Scott shipped me a replacement nut that day. I've been using it for a few weeks now along side two of their WA76 compressors (that I already had) and love it.

Bryce C.
Very Impressed!

I currently own 2 of the WA273's and have owned both of them for over 1 year now, I wanted to wait before writing this review to be able to give you the reader a true thought-out review of these units. I must say these bad boys sound great. I use them for various instruments and vocals. If you are in the market for a preamp but not able to afford a Neve or API or Manley you are still buying a high quality and very nice rack unit. I really enjoy utilizing the tone button also the Carnhill transformers sound clear and transparent when you need them to be, or heavily saturated if you'd like.

Sounds wonderful

This is one of the best Pre's you can buy. Everything about this is great. Sounds wonderful, built like a tank and anything you put into it sounds better coming out. I have lots of clones of this historic valued Pre from many companies and none of them even-though some cost more $$ sound as good. A whopping 80dB gain make your BASS Phat and any synth sing!

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