SKU: 17150385273

Hammond Leslie 991 Bi-amplified Keyboard Speaker Cabinet

Sale price$2926.34 Regular price$3251.49
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Description

Hammond Leslie 991 Bi-amplified Keyboard Speaker CabinetFrom the inimitable whirl of a Hammond organ to John Lennons infamous, swirlicious vocal overdub on Tomorrow Never Knows, the inimitable Leslie keyboard amplifier has produced some of the most iconic sounds in music history. Now, the Leslie Models 3500, 3500W, and 991 bring you that soulful sound with enhanced high definition clarity and presence. Each powerful 300 watt bi amped unit incorporates the rotating 15 inch woofer and high compression horn

From the inimitable whirl of a Hammond organ to John Lennon’s infamous, swirlicious vocal overdub on “Tomorrow Never Knows,” the inimitable Leslie keyboard amplifier has produced some of the most iconic sounds in music history. Now, the Leslie Models 3500, 3500W, and 991 bring you that soulful sound with enhanced high-definition clarity and presence. Each powerful 300-watt bi-amped unit incorporates the rotating 15-inch woofer and high-compression horn driver from the vintage reproduction 122H and 142H heritage models, which have been huge hits. At Abbey Road Studios in the ’60s, the engineers had to jailbreak the input circuitry in order to amplify guitars, vocals, and other sources through a Leslie. In addition to the customary 11-pin jack that directly hooks up to your Hammond organ, the Model 3500 is spec’d with a standard 1/4-inch line-level input, conveniently allowing any instrument to be plugged straight in.

Modern features, epic sound
Working with a vintage Leslie offers sonic rewards, but compatibility and reliability can often be challenging, as is the case with all vintage gear. In contrast, the Leslie Models 3500, 3500W, and 991 give you all the sonic benefits of the cherished originals, plus high power, enhanced clarity and presence, and functional modernization. This cab’s brushless DC servo motors are not impacted by power frequency or voltage fluctuations, and it’s highly resistant to unwanted RF problems. Plus, you can even adjust the rise, fall, and rotor speeds to your taste. The new models are also equipped with a new solid-state preamplifier that reproduces the characteristic overdrive distortion of transistors. When presented with a gentle input level, they serve up lush, velvety warmth. Hit them hard, however, and they positively wail with a full-on classic rock scream. You can control these coveted overdrive characteristics with the Overdrive on/off switch and the Gain knob on the bottom control panel.

The definitive evolution
The Leslie Models 3500, 3500W, and 991 differ only in their cabinet specifications. The road-ready 3500 is built into a tour-tough chassis with ergonomic handles and heavy-duty casters; the 3500W rocks a classic walnut cabinet that lends a touch of elegance to recording studios and houses of worship. On the outside, the Model 991 is the quintessential vintage Leslie with a full-sized, furniture-grade walnut cabinet. Under the hood, however, all three of these state-of-the-art high-powered keyboard amps represent the definitive evolution of over a half-century of market-segment dominance. Without the constraint of traditional wooden cabinetry, the Model 3500 is optimized to efficiently propagate its internal sounds outside the cabinet with optimal resonance and modulation. The traditionally styled 3500W and 991 cabinets feature widened louvers to achieve the same sound-distribution performance. With their state-of-the-art high-power amplification systems, traditional driver configuration, flexible I/O, and acoustically optimized cabinets, the Leslie Models 3500, 3500W, and 991 are poised to dominate the music industry for at least the next half-century.

Features

  • 300W bi-amplified keyboard speaker cabinet
  • Full-sized, furniture-grade walnut cabinet
  • Rotating 15-in. woofer and high-compression horn driver
  • 11-pin and 1/4-in. line-level inputs
  • 11-pin power remote switch
  • Adjustable Rotor speeds
  • Updated Overdrive circuit with on/off switch and Gain control
  • 3-band EQ; Bass Out terminal with lowpass adjustment
  • Stationary output
  • Standard footswitch for Leslie speed

Specifications

  • Output Power: 300W
  • EQ: 3-band EQ
  • Effects: Overdrive
  • Inputs: 1 x 11-pin Jack, 1 x 1/4" (rotary)
  • Outputs: 2 x 1/4" (stationary L, R), 1 x 1/4" (bass)
  • Footswitch I/O: 1 x 1/4"
  • Footswitch Included: Sold Separately
  • Enclosure Material: Plywood, Walnut Finish
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17150385273

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S&J
Alexandria, US
★★★★★ 5
Nice and comfy, light duty and feel great.
Size: X-Large, Color: Light Green
What they may lack in "durability" i.e. very light and thin = not going to last all that long, they make up for in fit [yes even for wide shoulders], comfort and style. If you want them to last, suggest a gentle cycle and just take ot easy on them. They are light, thin, and airy. Nice summer shirt.
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Reviewed in the United States on May 23, 2026
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Keena's Kitchen Personal Chef Service
Boise, US
★★★★★ 4
A true vacation find!
Size: Medium, Color: Light Green
Really nice choice. Got it for my husband and he really liked the style. I loved how it fit on him and the lightness of the fabric. Great for hot, sunny weathered days, or warm nights. A true vacation find. Both comfy and stylish. He would have preferred it be 100% cotton, but I think he didn't really mind after steaming it. He commented on the color too. A beautiful sage green!
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Reviewed in the United States on April 4, 2026
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Christie McCarthy
San Leandro, US
★★★★★ 5
Well made, comfortable and flattering
Size: 3X-Large, Color: Light Green
Nice material. I ordered the 3XL because my hubby has a big belly. It fit him well and was slimming. He wore it as a guest to an outdoor wedding. He looked nice and was comfortable all night.
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Reviewed in the United States on May 6, 2026
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SMG
Carnegie, US
★★★★★ 5
Nice but short
Size: X-Large, Color: Lavender
Yes, I purchased this shirt for my husband to wear on Mother’s Day. He looked so handsome and the color complimented his skin tone beautifully. The only con that my husband expressed was that the shirt was short but was comfortable and the fabric felt good on his skin. He is 6’3” and usually wears an XLT. Coofandy, Please make these shirts for taller, longer torso men!
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Reviewed in the United States on May 19, 2026
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CPT RSV
Lexington, US
★★★★★ 5
Expensive Look Without The Expense!
Size: Medium, Color: Black, Size: Medium, Color: Black
Sizing: If you’re a true large like me and close to but less than fifteen pounds overweight, normal length and with a 44” chest, buy a medium and use the shirt to inspire you to lose the beer belly. If you have similar dimensions but are overweight by up to thirty pounds, get the large. Materials: The mediums are manufactured to 70% synthetic, 30% linen—which is a great mix, as is doesn’t have to be ironed after it’s washed and hung to dry, nor does it have to be ironed every time you get up from a chair. I’ve had many 100% linen shirts and sure, they look great after you spend thirty minutes ironing them, just to look like a crumpled up newspaper after you get out of your car. My experience with linen shirts is what brought me here. Unboxing the shirt: I threw it on an ironing board the moment I unbagged it. I tried the Synthetic setting on the iron—it wasn’t enough. I then tried the Wool setting and set the steam setting to constant medium to high. It worked great. I didn’t have to press down at all, just lightly glided the iron across wrinkled areas of the shirt. Within five minutes, the shirt looked like a hundred-dollar shirt. The material is light, yet feels heavy to the touch and breathes very well in the heat. The hidden buttons give a clean, modern look that allows the shirt to be worn with anything from shorts and sandals to dress slacks and shoes in a club. I like to wear these shirts, untucked with a pair of jeans and western boots. This shirt is very comfortable, fits nice and is extremely versatile.
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Reviewed in the United States on April 5, 2026

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