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TK Audio DP3 2-channel Microphone Preamp , $1,899.00 - Add to Cart Skip to Product Information

TK Audio DP3 2-channel Microphone Preamp

2-channel Microphone Preamp and Instrument DI with Selectable Vintage-style Class A Stage, Germanium Stage, and Saturation
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TK Audio DP3 2-channel Microphone Preamp
TK Audio DP3 2-channel Microphone Preamp

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TK Audio DP3 2-channel Microphone Preamp
In Stock!

(Hurry, limited quantity available)

A High-ticket Hybrid of Vintage and Modern Circuits

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Our Product Research Team

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The TK Audio DP3 packs two feature-laden channels of flagship-quality mic preamplification into a convenient 1U rackmount chassis. At the heart of each of the DP3’s channels, you’ll find a high-headroom, Lundahl-loaded input stage with up to 80dB of squeaky-clean, straight-wire gain. That said, the DP3 includes a switchable, Carnhill-loaded Class A stage tailor-made for applications that demand the vintage-tinged punch of a classic British console. You also get selectable germanium and saturation circuits, equipping you with even more options for adding personality to your tracks. Moreover, the DP3 includes a dedicated Output level knob placed after the Class A stage for dialing up your harmonic character without overloading your A/D converter. Each of the DP3’s channels abound with professional features, such as a sweepable highpass filter, 48-volt phantom power, a -30dB pad, selectable input impedance, polarity invert, and a top-shelf hi-Z instrument DI input. Complete with an 8-LED headroom meter and easy-to-see illuminated switches, the TK Audio DP3 is a true workhorse; it would make a high-potency addition to any studio’s preamp arsenal.

Multiple sonic personalities

If you only have room for one 2-channel microphone preamp in your studio’s toolbox, the DP3 is a fine choice, as its hybrid design provides you with a functional stockpile of vintage and modern sonic textures. The DP3’s core sound is based around a high-headroom input stage, which employs a high-quality Swedish Lundahl transformer to give you up to 80dB of clean, transparent gain. Enabling the DP3’s vintage-style Class A stage inserts a heavy, custom-made Carnhill transformer into your signal path for a fat, punchy sound reminiscent of the classic British consoles so many of us cut our teeth on here at Sweetwater. You also get a selectable saturation circuit for adding odd harmonics to your signal, along with a selectable germanium circuit that adds both odd and even harmonics to your signal while also softening its highest frequencies. Furthermore, since the DP3’s Class A stage is inserted in front of the preamp’s Output level control, you can drive the transformer as hard as you want without overloading your A/D converter.

Abounding with professional features

The TK Audio DP3 includes all the features you’d expect from a pro-level mic pre. For starters, each channel consists of a sweepable highpass filter with a range of 30Hz to 400Hz for fine-tuning your signal’s low end. Next, 48-volt phantom power enables seamless compatibility with your condenser microphones, and a -30dB pad makes capturing extra-loud sound sources a piece of cake. The DP3 includes selectable input impedance, allowing you to toggle between 1,600 and 400 ohms to best accommodate your microphone, and a polarity invert for flipping the polarity of your audio signal. Each channel also includes a hi-Z instrument input with a dedicated activation switch, so you can keep your instrument connected all the time. You also get a hi-Z direct mode function that bypasses the input transformer and bumps up the gain +14dB — the perfect solution for recording a DI’d electric bass together with the DP3’s Class A stage.

TK Audio DP3 Features:

  • The latest iteration of TK Audio’s flagship 2-channel microphone preamp
  • Combines both vintage and modern circuits for maximum sonic flexibility
  • Built around a high-headroom, Lundahl-loaded input stage with up to 80dB of transparent gain
  • Switchable Carnhill-loaded Class A stage delivers a fat, punchy sound reminiscent of a classic British console
  • Selectable saturation circuit adds odd harmonics to your signal
  • Selectable germanium circuit adds both odd and even harmonics to your signal while softening its high end
  • Dedicated Output level knob drives the transformer without overloading your A/D converter
  • Sweepable highpass filter with a range of 30–400Hz
  • 48V phantom power, -30dB pad, selectable input impedance, and polarity invert
  • Selectable input impedance toggles between 1,600 and 400 ohms to best accommodate your microphone
  • Top-shelf hi-Z instrument DI input with dedicated activation switch and hi-Z direct mode function
  • 8-LED headroom meter and easy-to-see illuminated switches

Warranty Info

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Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.