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Warm Audio WA273 Dual Channel British Microphone Preamp (B-Stock)

A Dual Channel '73 For The Rest Of Us

If there’s one style of preamp that professional engineers would unanimously agree has defined the tone of pop/rock records for decades, it would most definitely be the venerable '73-style of mic pre. '73-style preamps have been massively used in recording and live applications for many years and are still considered to be the “Holy Grail” of preamp choices today. The Warm Audio “WA73 Family” consists of single and dual channel '73-style preamps (with & w/out EQ), that each pay careful homage to British audio history.

When we at Warm Audio decided to release the WA273 it was imperative that it met vintage expectation in both design and performance. The tone and sweet character that vintage '73-style mic preamps impart is so unique and familiar, that we had only the pure desire to release sonically accurate reproductions. After years of R&D, careful reverse-engineering, and countless hours of auditioning, the WA273 was born!

The WA273 is a “Desert Island” boutique preamp, but it can also be classified as a studio and live work-horse. Classic '73-style preamps are known for being versatile tools that work with all kinds of microphones from Condenser, to Dynamic, to Ribbon. The WA273 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 and a fully discrete Carnhill Transformer balanced signal path, there’s no recording, mixing or engineering task that the WA273 can’t handle.

UK Custom Carnhill Transformers

Enthusiasts unequivocally get excited about the components used in classic '73-style British preamps. The signal transformers are a common topic of conversation. Vintage units used various versions of transformers throughout the years, but the most coveted were the earliest versions. These are regarded as the most desirable 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 reproductions of these most coveted, early version transformers. We at Warm Audio have not yet heard a modern day '73-style preamp sound as sweet and musical as does our WA273 with these beautiful custom Transformers.
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Capacitors & Signal Path

An important part of classic British tone not often discussed are the different styles of capacitors and output transistor used in '73-style circuits. We found it important to maintain integrity to early British designs 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 '73-style preamps.

Hand Wired & Hand Assembled

Classic '73-style preamps were often hand-wired and so is the WA273! Guru’s claim that a portion of the sought after classic British tone can be attributed to the hand-wired nature of the build. The WA273 is hand-wired and hand assembled, including the pcb components that are all populated by hand.

Specifications
  • Dual Channel, Class A, '73-Style British Microphone Preamp
  • UK made Carnhill TransformersHand 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
  • 4 position inductor based hipass filter - 50, 80, 160, 300 Hz
  • XLR mic input
  • Line level TRS input
  • TS Send/Receive insert jacks
  • XLR & TRS line level outputs
  • Direct In, instrument input
  • Freq response 20Hz - 20kHz +/-.5 dB
  • 19" rackmountable
  • Internal IEC 115v/230v power inlet









Product Specs

Condition:
B-Stock (Used)
Brand
Warm Audio
Model
WA273-BSTK
Categories
Microphone Preamps

About The Seller

Pitbull Audio
Joined Jan 2015
National City, CA, United States

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Return Policy

Return Window

This product can be returned within 14 days of receipt.

General Terms

Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.

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Buyer receives a full refund in their original payment method less any shipping costs and a 10% restocking fee.

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We are committed to deliver the best experience to our customers. If for some reason you are not satisfied with your purchase, you may return it for a refund of the purchase price, an exchange or a store credit within 30 days from the ship date. Shipping costs will be deducted from your refund when you request a return shipping label on an order that qualified for “Free Shipping."

If you received a defective product, a wrong product, or damaged product, Pitbull Audio will replace it at no charge of any additional shipping cost. We will send you a prepaid label to return the item, and ship you a replacement. You will not incur any shipping charges. Please notify us of any of damaged, defective or misshipped products within 14 days.

After 30 days, you may request the manufacturer warranty if your item malfunctions. Pitbull Audio is an authorized dealer for all the brands they represent.

How to request a return:
Please email us or call us to obtain an RMA number. Instructions will be discussed with our friendly and diligent customer service representatives. All returns must be in a resalable condition, include all packing, accessories and paperwork.

We may apply a restocking fee if the returned products fall into the following categories:

· Missing packaging, manuals, accessories, or any other contents that were included originally

· Original box was written on, damaged, or taped with duck tape

· RMA number was not associated with the return

· Item is not in the original "like new" condition

Please send all returns to
Pitbull Audio
300 W 28th St, Ste 101
National City, CA 91950

The following items are NOT returnable, unless received DOA, in which we will send a replacement: Software, Electronic Delivery of Software, Special orders, DVD’s, humbuckers/pickups that were installed, strings, and drum sticks. Items that fall into the in mouth and in-ear use category, such as mouthpieces, earphones, ear plugs, harmonicas, cannot be returned due to health regulations

These policies encourage us to offer the best prices to our customers. Abuse to the return policy leads to increased operating costs and makes it difficult to offer competitive pricing, free shipping, reward programs, and giveaways.

If you are dissatisfied with your purchase, please contact us immediately and we will help you in any way we can. We offer a 30 day return policy. A 10% restocking fee might be applicable if the item you are returning is not in the same condition as when you received it. Unless we are responsible for the return (misships, defective items, item not as described, etc.) buyers are responsible for return shipping. We can offer our negotiated USPS rate for your return for your convenience.

All returns must be approved prior by our staff and an RMA number must be acquired before shipping.

Please contact us at support@pitbullaudio.com for RMA instructions.

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Pitbull Audio

National City, CA, United States
Joined: Jan 2015

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Warm Audio WA273 Dual Channel British Class A Microphone Instrument Line Preamp
$899.10
+ Free Shipping