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header-product Warm Audio WA273-EQ audio preamplifier Black 20-20000 Hz 1200 Ω

Warm Audio WA273-EQ audio preamplifier Black 20-20000 Hz 1200 Ω

Warm Audio WA273-EQ audio preamplifier Photo 1
Warm Audio WA273-EQ audio preamplifier Photo 2
Warm Audio WA273-EQ audio preamplifier Photo 3
Warm Audio WA273-EQ audio preamplifier Photo 1
Warm Audio WA273-EQ audio preamplifier Photo 2
Warm Audio WA273-EQ audio preamplifier Photo 3
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Short description

The Warm Audio WA273-EQ is a high-quality audio preamplifier designed for professional use. It features a frequency range of 20-20000 Hz and an input impedance of 1200 Ω, ensuring excellent sound quality and performance. The unit operates on a power supply input voltage of 115/230 V and is suitable for various audio applications.
Warranty: 2 Years
SKU: 7129103
Manufacturer: WARM AUDIO
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Product information

Description

The Warm Audio WA273-EQ audio preamplifier Black 20-20000 Hz 1200 Ω is a dual-channel '73-style mic preamp with onboard equalization, designed to reproduce classic British preamp character for studio and live applications. Covering a frequency range of 20–20,000 Hz and offering an input impedance of 1200 ohms, the WA273-EQ provides up to 80 dB of gain through a fully discrete, transformer-balanced signal path. The unit is hand-wired and hand-assembled, uses custom UK Carnhill transformers and high-quality capacitors, and accepts mains power at 115/230 V.

Advantages

The WA273-EQ combines vintage '73-style tonal character with modern build reliability. Custom Carnhill transformers deliver a smooth, musical saturation when pushed while preserving clarity at lower levels. Tantalum and polystyrene capacitors in the signal path and a carefully selected output transistor contribute to stable high-gain behaviour and refined top-end response. UK-made Blore Edwards dual-concentric switch potentiometers ensure accurate and durable EQ control. Hand-wired construction supports consistent signal integrity and serviceability.

Suitable for

  • Recording vocals with classic British preamp colouration
  • Tracking acoustic and electric guitars
  • Reamping or tone-shaping mixes and instruments
  • Capturing drums, percussion and bass sources
  • Use in live sound rigs and project studio setups

Key specifications

  • Frequency response: 20–20,000 Hz
  • Input impedance: 1,200 Ω
  • Gain range: up to 80 dB
  • Signal path: fully discrete, transformer-balanced
  • Transformers: custom UK Carnhill transformer design
  • Capacitors: tantalum and polystyrene in signal path
  • EQ: multi-band '73-style onboard equalization with dual-concentric switch pots
  • Construction: hand-wired and hand-assembled
  • Power: mains 115/230 V
  • Finish: black chassis

How to use

Connect microphones or line-level sources to the appropriate inputs and route outputs to your interface, mixer or console. Set input gain using the preamp gain control while monitoring signal level to avoid clipping; the WA273-EQ provides up to 80 dB of gain for low-output mics such as ribbons. Use the onboard EQ to shape tone—apply gentle boosts or cuts and listen for interaction between bands. When pushing the preamp for harmonic saturation, raise the gain and adjust output or pad as needed to maintain optimal levels in the downstream chain. Switch mains voltage as required for your region and ensure proper grounding.

Usage recommendations

For a classic '73-style character, combine the WA273-EQ with condenser, dynamic, or ribbon microphones and use moderate gain to capture warmth and presence. Use the EQ conservatively to preserve natural timbre: small adjustments often produce musical results. For more saturated tones, drive the input harder and compensate output level downstream; when tracking ensembles, set conservative gain staging and fine-tune EQ for separation. Regularly check wiring and pots for maintenance due to the hand-wired design.

Specifications

Product colour: The colour e.g. red, blue, green, black, white.
Black
All features
Power supply input voltage:
115/230
LED indicators:
Yes
Microphone in: The socket where a microphone is connected to the device.
Yes
Control type: The way in which the device is controlled.
Buttons, Rotary
On/off switch: The button which is pressed to switch the device on or off.
Yes
Phantom power:
48
Built-in display: A display which is part of the product, so you do not need to attach another display.
No
Gain:
80 dB
XLR input:
4

Logistics data

Quantity per pack:
1 pc(s)

Technical details

Power supply input frequency: The frequency of the electricity, usually measured in Hertz (Hz), which is supplied by the power supply. Mains electricity in many parts of the world is 50Hz.
50/60
Product colour: The colour e.g. red, blue, green, black, white.
Black
Equalizer: Device that attempts to reverse the distortion incurred by a signal transmitted through a channel.
Yes

Inputs

Line-in:
Yes

Audio

Frequency range: The lowest and the hightest frequencies that can be inputted/produced.
20 - 20000
Input impedance:
1200 Ω

Description

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All WARM AUDIO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized WARM AUDIO service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.