Lewitt LCT 940 Review: Tube and FET in One Mic

Who Should Buy It

Key Specifications

Overview

The Lewitt LCT 940 is built around a genuinely unusual idea: combining a premium large-diaphragm FET condenser microphone and a tube microphone in a single housing. Most condensers commit to one circuit type or the other, so this dual approach is a real point of differentiation in a crowded market of similarly priced studio microphones.

The listing confirms a TUBE setting and a FET setting, and importantly states that the two are mixable at any possible ratio rather than offering only a simple either-or switch. That continuous blend control is the headline feature of this entire listing.

Beyond that blend control, this listing is notably light on detail. Only three feature bullets are provided in total, leaving polar pattern, frequency response and several other specifications unconfirmed for this specific unit at the time of writing.

Sound Quality

No frequency response curve, SPL rating or self-noise figure is published for the LCT 940. The listing instead focuses entirely on the TUBE and FET blend concept rather than any measured tonal specification for either circuit on its own.

Tube circuits are generally associated with a warmer, more harmonically rich character, while FET condenser circuits are generally associated with a cleaner, more neutral capture. The LCT 940's blend control suggests an engineer can move between those two general characters, or settle anywhere in between, depending on the source being recorded. That continuous range is different from a simple two-position switch, which only offers an either-or choice rather than a true spectrum. A vocalist who sounds slightly harsh in FET mode, for instance, could be dialed toward tube warmth instead.

Buyers comparing the LCT 940 against single-circuit condensers, such as an Audio-Technica AT2020 for FET character or a dedicated tube microphone for warmth, should treat any such comparison as conceptual rather than numeric. This review does not state matching specifications between any of these microphones, since none are published here, so the comparison only illustrates the broader idea of circuit-based tonal character.

Pickup Pattern and Noise Handling

No polar pattern is named anywhere in this listing. That is a significant gap for a premium microphone, since buyers typically want to know whether they are getting a fixed cardioid design or a multi-pattern unit before committing to a purchase at this price.

Without a stated pattern, this review cannot confirm how the LCT 940 handles off-axis rejection or room noise in either its TUBE setting, its FET setting, or any blend between the two. That uncertainty applies across the entire range of the blend control, from one extreme setting to the other.

Buyers who specifically need confirmed pattern behavior, particularly if they plan to use multiple patterns across different sessions, should seek that detail directly from Lewitt or a seller. This listing's three brief bullets do not settle that question on their own, no matter how carefully they are read.

Build Quality

The listing describes the LCT 940 as combining a premium large-diaphragm FET condenser and a top-notch tube microphone in a single housing. That language implies a serious, high-quality build, but it does not state specific materials or dimensions for this unit.

No weight, housing material or exact dimensions are published here. Buyers should expect a more substantial build than a budget microphone given the premium framing and the complexity of housing two separate circuit types in one body, though that expectation is not confirmed by hard numbers in this listing. Buyers who have handled other premium large-diaphragm condensers have a general sense of what to expect in terms of heft and finish quality, even though this specific listing does not restate that expectation in its own words. A quick comparison against a known model in person remains the most reliable way to judge build quality firsthand.

Housing both a tube circuit and a FET circuit in a single microphone body is itself a build-engineering achievement worth noting. The two circuit types typically have different space, heat and power requirements that need to be managed together inside one shell. Getting that balance right without compromising either circuit's performance is no small engineering task.

• Combines FET condenser and tube circuits in one housing
• TUBE and FET settings, mixable at any ratio
• Housing material and weight not published in listing
• Polar pattern not published in listing

Connectivity and Setup

No connector type is stated directly in this listing. A hybrid tube and FET condenser of this kind often requires a dedicated external power supply in addition to standard cabling, since tube circuitry generally needs higher voltage than standard phantom power provides to a microphone's capsule.

Whether the LCT 940 ships with its own dedicated power supply, or instead uses some other power arrangement for its tube circuit, is not confirmed anywhere in this listing's three feature bullets. That leaves a real practical question unanswered for a buyer planning their setup.

Setup for a hybrid microphone of this kind would typically involve connecting any required power supply and running a cable to a preamp or mixer. The engineer then adjusts the TUBE and FET blend control to taste for the specific source being recorded.

Features, Controls and Extras

The continuously mixable TUBE and FET blend control is the LCT 940's defining feature. It is confirmed directly in the listing as adjustable at any possible ratio, rather than limited to just a few fixed switch positions.

That kind of continuous blending is uncommon even among premium condensers. Most competing designs commit to a single circuit type rather than offering a full spectrum between two different circuits in one housing.

Beyond the blend control, no other onboard features, such as a pad, filter or pattern selector, are mentioned in this listing. The feature story here is specifically and narrowly about the TUBE and FET blend rather than a broad, general-purpose feature set covering every possible control.

Use Cases: Vocals, Streaming, Podcasting and Instruments

Vocal recording is a natural fit for a microphone that lets an engineer blend tube warmth and FET clarity. Different vocalists and genres often call for different tonal characters, and this control could help address that need within a single session.

Instrument recording could also genuinely benefit from the blend control. An engineer might favor a cleaner FET character for a bright acoustic instrument or lean toward tube warmth for a source that needs softening, though this listing does not name specific instruments directly.

Podcasting and streaming are not mentioned in the bullets. The apparent premium positioning of this microphone makes it a less likely fit for a casual desktop setup compared with a dedicated, simpler USB or XLR podcasting microphone built for that role.

Who Should Buy It

Studios that want both a tube character and a FET character available from one microphone are the clearest fit for the LCT 940's core selling point. Buying two separate microphones to get both characters is the real alternative they are avoiding.

Engineers who enjoy experimenting with tonal blending during a session will find real creative value in the continuously adjustable blend control. Committing to one fixed sound before recording even starts is simply not required with this design.

Producers who want the flexibility to lean toward a particular tonal character after hearing a take, rather than deciding well in advance, should also find this blend control useful. It supports tracking, comparison and later mix decisions without forcing an early commitment.

Alternatives Worth Considering

Buyers who only need a clean, consistent FET condenser character without any blending should consider a simpler model such as the Audio-Technica AT2020 instead. This review does not state matching specification numbers between the two microphones, so treat any comparison as general.

Those who specifically want a dedicated tube microphone character, without a FET alternative built in, might consider a standalone tube condenser instead. The LCT 940's value proposition rests specifically on offering both circuits in one unit.

Buyers who need confirmed polar pattern and frequency response data before purchasing should look for a more thoroughly documented listing or manufacturer specification sheet. This particular listing's three bullets do not provide that level of detail on their own.

Verdict

The Lewitt LCT 940 offers a genuinely distinctive feature in its continuously mixable TUBE and FET blend control. One microphone covers tonal ground that would otherwise require two separate purchases from two different categories.

This listing's limited detail, with only three feature bullets and no confirmed polar pattern or frequency response, means buyers are trusting Lewitt's reputation and the blend concept itself. That trust stands in for any documented spec sheet from this specific listing, for better or worse.

That tradeoff will suit an engineer who already values the blend concept and is willing to work with it. It will suit a buyer who wants every specification confirmed in writing before spending at this price point far less well.

Strengths and Limitations

Alternatives to Consider

Beyerdynamic M 160

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Read the Beyerdynamic M 160 review →

Shure BLX288/SM58 Dual Vocal

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Read the Shure BLX288/SM58 Dual Vocal review →

Sennheiser XSW 1-835

Worship teams, schools and gigging duos who want two wireless e835 vocal channels with the simplest possible setup.

Read the Sennheiser XSW 1-835 review →

Questions Buyers Ask