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Manley SLAM! 2-channel Tube Microphone Preamp & Limiter , $9,399.00 - Add to Cart Skip to Product Information

Manley SLAM! 2-channel Tube Microphone Preamp & Limiter

Dual-channel Tube Microphone Preamplifier with Electro-optical and FET Limiters, Stereo Link, and VU Metering
Item ID: SLAM
Manley SLAM! 2-channel Tube Microphone Preamp & Limiter
We Can Get It!

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 Manley. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated October 2026

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Manley SLAM! 2-channel Tube Microphone Preamp & Limiter
We Can Get It!

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 Manley. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated October 2026

SLAM! Gets it Loud — Up to 80dB Total Gain Available!

This article was Written By

Our Product Research Team

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The Manley SLAM! stands for "stereo limiter and microphone preamplifier" — and it gets loud fast. Starting with the two tube microphone preamplifiers, the Manley SLAM! gives you 48V phantom power, phase reverse, and up to 60dB of gain and 20dB more gain in the limiter - plenty to accommodate virtually any microphone and singer. On the limiter side, Manley combined the electro-optical circuit from the ELOP with a fast FET-based brick-wall limiter and added a handy sidechain. From clean to crunchy to punchy, you can have it with the Manley SLAM! from Sweetwater.

Dual-channel tube microphone preamplifier

On both channels of the Manley SLAM! you have tube microphone preamplifiers with switchable phantom power and phase reverse. Plus, the new tube circuit features up to 60dB of gain — and there's 20dB more gain available in the limiter, so you've got plenty of juice to handle low output ribbon microphones and soft singers. The input attenuator is on the front and there's also a variable pad. Apart from XLR microphones, you can give your line-level instruments a warm-up using the DI inputs.

Electro-optical and FET-based brickwall limiter

The Manley SLAM! boasts two different and distinct limiters — available simultaneously or separately on each channel. Manley's famous electro-optical circuit, found on their ELOP, is onboard — plus it features a convenient sidechain highpass filter. Offering two knobs, the ELOP is easy to use and "just works." There's also a fast FET-based "brickwall" limiter onboard as well that delivers everything from ultra-clean to gravelly — just as you'd expected from an FET limiter. The Release control lets you dial in a host of colors, and a Clip setting allows for an extremely round shape. Use both limiters at the same time to get as much of each effect as you like.

Excellent VU metering

With Manley's SLAM! you can meter raw input levels, the final output levels, and ELOP Limiter gain reduction, so you can keep an eye on what's going on. Plus, there's a switchable pad on the VUs at 0, -3dB and -6dB so you can keep the needles from going in the red when you're mastering. In addition, there are fast and accurate multicolor LED ladder peak meters that let you know the input and output levels as well as the FET gain reduction. The LED meters do Peak, Peak Hold timed, and Peak Hold until reset. You can also manually set where the bars change colors, to match up the SLAM! with your other gear.

Flexible I/O

On the back panel of the Manley SLAM! you have plenty of I/O to work with. Transformer-balanced I/O and 1/4-inch phone jacks are onboard. In addition, four TRS jacks allow you to insert external equalizers into the sidechains. Another input allows linking multiple units for surround purposes.

Manley SLAM! Features:

  • Input Tubes: 2 x 12AT7A NOS GE specially selected by Manley Labs for low noise and stable bias
  • Output Tubes: 2 x 6414W NOS USA dual triodes
  • I/O: Manley transformer-coupled, Balanced Inputs and Outputs
  • Microphon epreamplifier: Selectable 48V phantom power and phase reverse
  • Gain: 60dB max Microphone preamplifier, 43dB max DI, 20dB max Limiter Gain
  • Input Impedance: 2000 ohms Micpre, 1Meg ohms DI
  • FET Limiter: Attack: approx. 100S; Release: 10mS to 2Sec; Ratio: better than 20:1
  • ELOP Limiter: Attack: approx. 10mS for 6dB GR; Release: 2.5 Sec; Ratio: 10:1
  • Frequency Response: 5Hz to 60KHz
  • Maximum Output: +32dBm, +30dBm (into 1Kohm load)
  • THD+N: <.05% @ 1KHz
  • Dynamic Range: 115dB typical
  • Output Impedance: 200 ohms
  • Power Consumption Slam!: 0.480 Amps (480 milliamps = 480mA) @ 120V = 57.6 Watts, 0.240 Amps (240 milliamps = 240mA) @ 240V = 57.6 Watts
  • Mains Voltage Frequency: 50~ 60Hz
  • Size: 19 inches X 12 inches X 3.5 inches (occupies 2 RU)
  • Shipping Weight: 25 lbs.

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.