Leslie 3500W Walnut Rotary Speaker

Leslie 3500W Rotary Speaker – Heritage-Inspired, High-Power Walnut Cabinet

The Leslie 3500W brings the legendary rotary speaker sound into a new era with modern power, clarity and control. Drawing from the classic 122/142 Heritage models, this cabinet delivers unmistakable vintage tone with a hi-definition presence that suits stage, studio, houses of worship and professional keyboard rigs. With 300 watts of bi-amped power and a finely crafted walnut cabinet, the 3500W retains the soul of Don Leslie’s original designs while offering expanded flexibility for today’s musicians.

• Heritage-inspired rotary speaker cabinet with modern clarity and definition
• 300W bi-amped power delivers commanding output for large venues
• 1/4" line input allows use with keyboards, guitars and other electronic instruments
• Direct 11-pin connection for Hammond organs—no external preamp required
• Compatible with optional Leslie footswitch for rotor speed control
• Vintage-style walnut cabinet with efficient acoustic design
• Same horn, driver and woofer as premium 122H / 142H reproduction models
• Adjustable horn level and 3-band EQ for precise tonal tailoring
• Built-in transistor overdrive modeled after vintage Leslie push-pull circuitry
• Bass Out terminal with adjustable crossover frequency for external subs or PA systems
• Stationary L/R outputs for non-rotary voices when used with compatible Hammond keyboards
• Rotor rise/fall times and slow/fast speeds independently adjustable

Whether paired with a Hammond organ or used as a rotary effects cabinet for keyboards and guitars, the 3500W delivers the expressive movement, depth and character that made Leslie tone a cornerstone of modern music—now with more power and control than ever before.

Specifications

• Type: 1-channel rotary (rotary channel only), dual mechanical rotors
• Total Power Output: 300W RMS (Horn 80W, Low 220W)
• Horn: High-compression driver (same as 122H/142H)
• Woofer: 15" woofer (vintage 122-style)
• Controls: Volume; Horn Level; Overdrive On/Off & Gain; Bass/Mid/Treble EQ; Power; Rotor rise/fall times; Slow/Fast speeds (independent)
• Motors: Dual brushless DC servo motors
• Indicators: Power, Standby, Mode (Slow, Stop, Fast)
• Inputs/Outputs:
• 11-pin input socket with stationary L/R through outputs
• 1/4" rotary input (10kΩ, 100mV sensitivity)
• Footswitch input (with type selector)
• Bass Out (0 dBu) with adjustable low-pass frequency
• AC power inlet
• Power Consumption: 105W
• Dimensions (W x D x H): 25.4" x 20.9" x 31.3"
• Weight: 50.4 kg (111.1 lbs)
• Construction: Traditional walnut cabinet inspired by vintage Leslie design
• Optional Accessories (not included): Leslie Cable LC11-7M; Footswitch FS-9H; Footswitch FS-10TL

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.