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Josephson Engineering C725 Large-diaphragm Tube Condenser Microphone , $10,250.00 - Add to Cart Skip to Product Information

Josephson Engineering C725 Large-diaphragm Tube Condenser Microphone

Large-diaphragm Tube Condenser Microphone with 5 Polar Patterns, Variable Power Modes, and Metal Foam Windscreen
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Josephson Engineering C725 Large-diaphragm Tube Condenser Microphone
Josephson Engineering C725 Large-diaphragm Tube Condenser Microphone

We Can Get It Fast!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with Josephson Engineering. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated September 28, 2026

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Josephson Engineering C725 Large-diaphragm Tube Condenser Microphone
We Can Get It Fast!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with Josephson Engineering. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated September 28, 2026

A Top-notch Tube Mic

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Our Product Research Team

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The Josephson Engineering C725 microphone provides a sensational balance between textured tube goodness and the clean, high-headroom nature of solid-state FET microphones. Instead of two FETs in cascode like most Josephson mics, this one features a cascode with one FET and one tube that work together. Two operating modes are on offer: Sun and Moon. Sun mode operates at full gain, giving you all the tube-infused warmth and richness you can handle. Meanwhile, Moon mode operates at a lower gain level, giving the signal a FET-style quality. This microphone houses the same dual-diaphragm capsule used for the C700 and C716 microphones. It provides five switchable polar patterns to handle any recording application under the sun. Finally, the C725 includes Josephson’s patented aluminum foam grille, which guards against plosives and internal reflections. Whether you’re using it on vocals or instruments, the C725 is up to the challenge.

Two modes

For the C725, Josephson Engineering chose to modify its normal cascode FET circuit topology. The lower FET in the cascode is the same specially selected low-noise FET as in other Josephson mics, while the upper FET in the circuit is replaced with an EF806S tube. With the power supply, you can choose between two modes: Sun and Moon. Sun mode operates at full gain, giving you the warm, rich detail afforded by classic tube microphones. Meanwhile, Moon mode reduces the sensitivity by 12dB, letting the clean, neutral-sounding FET section center stage. With its two switchable sonic characteristics, the C725 can sound like a tube or solid-state microphone — no questions asked.

Five polar patterns

The C725 is equipped with the same dual-diaphragm capsule found in the Josephson Engineering C700 and C716 microphones. Its power supply offers five polar patterns to choose from: omnidirectional, subcardioid, cardioid, hypercardioid, and figure-8. Together, the polar patterns give this microphone the flexibility needed to record any source in any studio environment. Whether you’re miking up a choir, a string quartet, or a cabinet, Sweetwater is confident that the C725 microphone’s multiple polar patterns can handle it.

Unique metal foam grille

Josephson Engineering outfits each C725 microphone with its patented metal foam grille. It’s built from an aluminum alloy that supplies robust projection for the capsule. Where standard basket-type housings require supporting structures and rings, the metal foam grille design is entirely self-supported. Because the metal foam requires no internal support, its highly open structure reduces reflections, acoustic resonances, and phase anomalies.

Josephson Engineering: mics for engineers in the know

Founded by David Josephson, Josephson Engineering has developed and produced high-quality microphones since 1989. Hailing from scenic Santa Cruz, California, the company prides itself on creating purpose-driven condenser microphones that absolutely excel in the studio environment. Though Josephson Engineering is far from boastful, reputable audio engineers laud the company’s microphones for their ability to deliver clean, high-headroom sound on almost any source imaginable. Whether you’re recording delicate sources or a wall of screaming cabs, there’s a Josephson Engineering microphone for you. Even better, Josephson Engineering meticulously designs and manufactures every microphone to last for decades.

Josephson Engineering C725 Multi-pattern Tube Condenser Microphone Features:

  • Josephson Engineering’s flagship tube microphone
  • Hybrid FET/tube power section blends the best of both worlds
  • “Sun” mode accentuates the saturation associated with tubes
  • “Moon” mode gives you a cleaner treble response at high SPLs
  • 5 separate power supply sections ensures consistent power
  • Selectable polar patterns: omnidirectional, subcardioid, cardioid, hypercardioid, figure-8
  • Metal foam grille ensures smooth, pop-free operation
  • Shockmounted microphone capsule stops floor rumble in its tracks
  • Engineered for superb, long-lasting durability

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

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.