• Gift Certificate
  • Track Order
  • Help
  • Feedback [+]
  • Best Selection, Price & Service. Guaranteed.
    • 18 Month Financing For May

      Special 18 Month Financing For The Whole Month Of May

      Here at Musician's Friend, we know there are a lot of challenges to finding the right gear at the right price. That's why we do all we can to help make sure our customers have a variety of options at prices they can afford. It's with this in mind that we offer special financing options to help fund the gear you need to make the music you love.

      Click the link below to find out how you can take advantage of our special financing offers. It's fast, easy and secure, and once approved, you can begin shopping at MusiciansFriend.com right away.

      Apply for a Musician's Friend Credit Card Today

    • All Deals & Discounts

      Sometimes it can be hard to keep track of all the incredible deals and promotions we have going on, so we've put them all in one place so you can easily choose the deal that's best for you. This is your ultimate source for gear savings!

    • Save 76% On Top Selling Accessories

      We have huge savings on our most popular accessories. With savings up to 76% now is the time to stock up! Plus you’ll get free shipping with no minimum purchase on almost everything we carry.

      Shop Our Accessory Sale

  • Need Help? Ask our Experts or call 800-449-9128

    Asistencia en Español 866-226-2919

  • Shop by Department
  • Deal Center
MF MD HG GBOT A 05-14-13
  1. Home
  2. Keyboards & MIDI
  3. Keyboard Amplifiers & Monitors

Leslie System 21 Stationary Unit  (Used)

  • 0 0 Reviews
  • Write a Review
SKU 
#706509000000000
See All Leslie Keyboard Amplifiers & Monitors
  • 706509.009_back.tif

    System 21 Stationary Unit Level 4 886830229190

    Condition 4 - Needs Repair  (?)

    $64750

    This product is sold "as-is" and requires some work to get it back into working order. It does not come with any warranty and is non-returnable.

  • 706509007000011_USD1.TIF

    System 21 Stationary Unit Level 4 886830364143

    Condition 4 - Needs Repair  (?)

    $64750

    Specific details about this product/instrument: No output from horn, loose components inside, major crack in bottom and multiple other cracks in front edges, sides, and back.

  • 706509006000012_USD1.TIF

    System 21 Stationary Unit Level 3 886830474071

    Condition 3 - Good Condition  (?)

    $97125

    Specific details about this product/instrument: Scuffs and scratches on multiple sides, cabinet is cracked.

  • 706509006000013_USD1.TIF

    System 21 Stationary Unit Level 3 886830618543

    Condition 3 - Good Condition  (?)

    $97125

    Specific details about this product/instrument: No manual, top left corner cap cracked, right front corner cracked, left corner dented, bottom edge has 3 dents, back left and right edges dented below control panel.

  • 706509007000014_USD1.TIF

    System 21 Stationary Unit Level 4 886830704048

    Condition 4 - Needs Repair  (?)

    $64750

    Specific details about this product/instrument: Tweeter has come detached from horn, corners are cracked, cabinet is cracked and dented.

Leslie

Full-on Leslie sound for stage use.

Add the Leslie System 21 Stationary Unit to the Rotary Unit and you've got the Leslie sound at its biggest and fattest. This powered speaker outputs 150W for the bass and 50W for the horn. Speakers include a 12" woofer and horn tweeter. Volume, master volume, plus bass and treble tone controls. Connections include XLR with phantom power and 1/4" mic/line inputs, insert (send/return), plus line out and remote power input.

Features

  • 150W bass power
  • 50W horn power
  • 12" woofer
  • Horn tweeter
  • XLR (with phantom power) and 1/4" inputs
  • Send/return insert
  • Line out and remote power input
  • Volume, master volume, plus bass and treble tone controls
  • 19-3/4"W x 29-1/2"H x 19-3/4"D

Think big. Order this Leslie loudspeaker today for a rig that'll shake the rafters.

Customer Reviews
Loading....
write a review

Electric Guitars

  • Solid Body
  • Semi-Hollow Body/Hollow Body
  • Left-Handed
  • Signature Model
  • Modeling
  • Value Packs
  • Travel/Mini

Acoustic Guitars

  • 6-String
  • 12-String
  • Left-Handed
  • Value Packs
  • Travel/Mini

Acoustic-Electric Guitars

  • 6-String
  • 12-String
  • Left-Handed
  • Value Packs
  • Travel/Mini

Classical/Nylon Guitars

Private Reserve Guitars

Top Brands

  • Gibson
  • Fender
  • Epiphone
  • PRS
  • Ibanez
  • Martin
  • Taylor

Related Categories

  • Amplifiers
  • Effects
  • Folk & Traditional
  • Recording Gear
  • Harmonicas
  • Lifestyle
  • Learn to Play Guitar
  • Guitar Tablature

Accessories

  • Strings
  • Cases & Gig Bags
  • Cables
  • Stands
  • Tuners
  • Pickups
  • See All Accessories

Used Gear

  • Electric
  • Acoustic-Electric
  • Acoustic
  • Classical/Nylon
  • Folk & Traditional
  • See All Used

Deal Center

  • Electric
  • Acoustic-Electric
  • Acoustic
  • Classical/Nylon
  • Folk & Traditional
  • See All Deals

Guitar Amplifiers

  • Combos
  • Heads
  • Cabinets
  • Stacks
  • Mini

Bass Amplifiers

  • Combos
  • Heads
  • Cabinets
  • Stacks

Tube Amplifiers

  • Combos
  • Heads

Effects

  • Effects Pedals
  • Multi-Effects Pedals
  • Pedalboards
  • Bass Effects

Private Reserve Amplifiers

Top Brands

  • Fender
  • Marshall
  • Line 6
  • Boss
  • Dunlop
  • Vox
  • Peavey
  • Orange
  • DigiTech

Related Categories

  • Guitars
  • Bass
  • Keyboards
  • Drums
  • Headphone Amplifiers

Accessories

  • Amplifier Covers & Cases
  • Cables
  • Amp Stands
  • Strings
  • See All Accessories

Used Gear

  • Amplifiers
  • Effects
  • See All Used

Deal Center

  • Amplifiers
  • Effects
  • See All Deals

Electric Bass

  • 4-String
  • 5-String
  • 6-String
  • Fretless
  • Left-Handed
  • Signature Model
  • Value Packs

Acoustic Bass

  • Fretted
  • Fretless

Upright Bass

Double Bass

Private Reserve Bass

Top Brands

  • Fender
  • Ibanez
  • Music Man
  • Squier
  • Epiphone
  • ESP

Related Categories

  • Amplifiers
  • Effects
  • Recording Gear
  • Lifestyle
  • Learn to Play Bass
  • Bass Tablature

Accessories

  • Strings
  • Cases
  • Cables
  • Stands
  • Tuners
  • Pickups
  • See All Accessories

Used Gear

  • Electric
  • Acoustic
  • Upright
  • See All Used

Deal Center

  • Electric
  • Acoustic
  • See All Deals

What's New

  • See All New Arrivals

Stringed Folk Instruments

  • Ukuleles
  • Banjos
  • Mandolins
  • Resonators
  • Pedal & Lap Steels
  • Upright Bass
  • Latin Stringed Instruments

Wind & Keyboard Instruments

  • Harmonicas
  • Accordions
  • Melodicas
  • Didgeridoos
  • Whistles

Theremins

Private Reserve Folk & Traditional Instruments

Top Brands

  • Fender
  • Rogue
  • Epiphone
  • Lanikai
  • Gibson
  • Deering
  • Hohner

Related Categories

  • Guitars
  • Bass
  • Amplifiers
  • Effects
  • Learn to Play Folk
  • Recording Gear

Accessories

  • Strings
  • Cases & Gig Bags
  • Cables
  • Stands
  • See All Accessories

Used Gear

  • See All Used

Deal Center

  • See All Deals

What's New

  • See All New Arrivals

Live Sound

  • Active/Powered PA Speakers
  • Passive/Unpowered PA Speakers
  • Stage Subwoofers
  • Live Power Amplifiers
  • Stage/Personal Monitors
  • Live Sound Packages
  • Installed Sound
  • Signal Processors

Mixers

  • Powered
  • Unpowered
  • Digital
  • Line

Top Brands

  • JBL
  • QSC
  • Mackie
  • Electro-Voice
  • Bose
  • Behringer

Related Categories

  • Microphones
  • Power Conditioners
  • Direct Boxes
  • Headphones

Accessories

  • Microphone Stands
  • Microphone Accessories
  • Speaker Stands
  • Cables & Snakes
  • Cases
  • Racks
  • Raw Speakers
  • Stage Accessories

Used Gear

  • Live Sound
  • Pro Audio
  • Mixers
  • PA Speakers
  • Signal Processors
  • See All Used

Deal Center

  • Live Sound
  • Pro Audio
  • Mixers
  • PA Speakers
  • Signal Processors
  • See All Deals

What's New

  • See All New Arrivals

Microphones

  • Recording
  • Live
  • Specialty
  • USB
  • Packages
  • Percussion

Wireless Systems

  • Handheld Microphone
  • Headset Microphone
  • Instrument
  • Lavalier Microphone
  • Components
  • Combos
  • In-Ear
  • Other Wireless Devices

Vocal Software

Vocal Processors

Top Brands

  • Shure
  • MXL
  • Audio-Technica
  • AKG
  • Sennheiser
  • Blue
  • Electro-Voice

Related Categories

  • Headphones

Accessories

  • Microphone Cables
  • Mic Stands
  • Microphone Cases & Bags
  • Pop Filters
  • Mic Shields
  • Wireless System Components
  • See All Accessories

Used Gear

  • Recording
  • Live
  • Wireless
  • See All Used

Deal Center

  • Wireless
  • Recording
  • Live
  • See All Deals

What's New

  • See All New Arrivals

Recording Gear

  • Audio Interfaces
  • Studio Monitors
  • Studio Subwoofers
  • Portable & Field Recorders
  • Multitrack Recorders
  • Studio & Recording Packages
  • CD & DVD Recorders
  • Remotes, Controllers & Expansions
  • Studio Power Amplifiers
  • Audio Playback for Studio
  • Computers & Peripherals
  • Video Production Gear
  • Summing Mixers
  • Signal Processors

Music Software

  • Virtual Instruments
  • Music Production Software
  • Effects Plug-Ins
  • Sound Libraries, Loops & Refills

Headphones

Personal & Home Entertainment

Top Brands

  • TASCAM
  • M-Audio
  • Apple
  • Avid
  • Ableton
  • KRK
  • PreSonus
  • Focusrite

Related Categories

  • MIDI
  • Microphones
  • Duplication Gear
  • Video Post Production Gear
  • Studio Furniture
  • Acoustic Treatment

Accessories

  • Microphone Accessories
  • Cables & Snakes
  • See All Accessories

Used Gear

  • Recording Gear
  • Pro Audio
  • Audio Interfaces
  • Studio Monitors
  • Portable & Field Recorders
  • See All Used

Deal Center

  • Recording
  • Pro Audio
  • Audio Interfaces
  • Studio Monitors
  • Portable & Field Recorders
  • Music Software
  • Headphones
  • See All Deals

Digital Pianos

Keyboard Workstations

Synthesizers

Sound Modules

Organs

Portable & Arranger Keyboards

Keyboard Packages

MIDI Controllers

MIDI Interfaces

Production & Groove

Keyboard Amplifiers & Monitors

Music Software

  • Virtual Instruments
  • Samples & Loops

Top Brands

  • Casio
  • Yamaha
  • Roland
  • Korg
  • Akai
  • M-Audio
  • Williams

Related Categories

  • Piano & Keyboard Instruction

Accessories

  • Stands
  • Benches & Stools
  • Sustain, Volume & Expression Pedals
  • Power Supplies
  • See All Accessories

Used Gear

  • Digital Pianos
  • Synthesizers
  • MIDI Controllers
  • Production & Groove
  • See All Used

Deal Center

  • Digital Pianos
  • Synthesizers
  • MIDI Controllers
  • Production & Groove
  • See All Deals

What's New

  • See All New Arrivals

iPad

iPods & MP3 Players

iOS-Compatible Gear

  • Recording Gear
  • Audio Interfaces
  • Keyboards & MIDI
  • Amplifiers & Effects
  • DJ Gear
  • Microphones
  • Mixers
  • Personal & Home Entertainment
  • Computers & Peripherals
  • Accessories

Related Categories

  • Microphones
  • Headphones
  • Studio Monitors
  • Personal & Home Entertainment

Accessories

  • Microphone
  • See All Accessories

Used Gear

  • See All Used

Deal Center

  • See All Deals

What's New

  • See All New Arrivals

DJ Gear

  • Turntables
  • DJ CD, MP3 & Media Players
  • Controllers & Interfaces
  • Packages
  • Cartridges & Styli
  • Accessories
  • Mixers & Parts

Groove Production Systems

iPad/iPhone DJ Gear

Lighting & Stage Effects

Karaoke

Top Brands

  • Chauvet
  • American DJ
  • Pioneer
  • Numark

Related Categories

  • Microphones
  • Headphones
  • PA Speakers
  • Portable & Field Recorders
  • Video Production Gear
  • DJ & Remix Software

Accessories

  • Mic Stands
  • See All Accessories

Used Gear

  • Controllers & Interfaces
  • Lighting & Stage Effects
  • See All Used

Deal Center

  • Controllers & Interfaces
  • Lighting & Stage Effects
  • See All Deals

What's New

  • See All New Arrivals

Acoustic Drums

  • Drum Sets
  • Snare Drums
  • Mounted Toms
  • Floor Toms
  • Bass Drums
  • Add-On Packs

Electronic Drums

  • Sets
  • Modules
  • Trigger Packages
  • Drum Amplifiers

Cymbals

  • Cymbal Packs
  • Crash
  • Hi-Hat
  • Ride
  • Splash
  • China & Effect

Drum Accessories

  • Drum Cases, Gig Bags & Covers
  • Drum Care & Cleaning
  • Drum Replacement Parts
  • Drum Sticks
  • Drum Heads

Drum Hardware

  • Pedals
  • Stands
  • Racks
  • Drum Thrones
  • Hardware Packs

World Percussion

Concert Percussion

Marching Percussion

Top Brands

  • DW
  • Pearl
  • Zildjian
  • Sabian
  • Tama
  • Vic Firth
  • Remo
  • PDP
  • Gretsch

Related Categories

  • Drum Microphones
  • Drum & Percussion Instruction

Used Gear

  • See All Used

Deal Center

  • See All Deals

Brass Instruments

  • Trumpets
  • Flugel Horns
  • Trombones
  • Tubas
  • French Horns

Woodwinds

  • Clarinets
  • Saxophones
  • Flutes & Piccolos
  • Double Reed Instruments

Orchestral Strings

  • Violins
  • Violas
  • Cellos
  • Double Bass
  • Harps

Marching Band

  • Brass
  • Percussion
  • Band Accessories

Concert Percussion

  • Drums
  • Mallet Percussion
  • Cymbals

Marching Percussion

  • Snare Drums
  • Bass Drums
  • Toms
  • Mallet Percussion
  • Cymbals

Band & Orchestra Accessories

  • Woodwind Accessories
  • Brass Instrument Accessories
  • Orchestral String Accessories
  • Concert Percussion Accessories

Related Categories

  • Learn To Play
  • Sheet Music
  • Classroom & Kids

Used Gear

  • See All Used

Deal Center

  • See All Deals

Strings

  • Electric Guitar Strings
  • Acoustic Guitar Strings
  • Bass Guitar Strings

Cables & Snakes

  • Instrument
  • Microphone
  • Speaker
  • Adapters & Connectors

Cases & Gig Bags

  • Stringed Instrument
  • Drum & Percussion
  • Keyboard
  • Mixer & Speaker
  • DJ
  • Microphone

Stands & Racks

  • Guitar
  • Microphone
  • Speaker & Monitor Stand
  • Keyboard
  • Lighting
  • Music

Tuners & Metronomes

  • Pedal Tuners
  • Clip On Tuners

Accessories by Department

  • Guitar & Bass
  • Live Sound
  • Microphone
  • Keyboard
  • DJ
  • Studio Furniture & Accessories
  • Stage
  • Drums & Percussion
  • Band & Orchestra
  • See All Accessories

Top Brands

  • D'Addario
  • Ernie Ball
  • Dunlop
  • ProLine
  • Live Wire
  • Hercules
  • Levy's
  • EMG

Related Categories

  • Effects
  • Pickups
  • Cable Finder
  • iPad, iPod & MP3 Accessories
  • Harmonicas
  • Lifestyle
  • Classroom & Kids

Used Gear

  • See All Used

Deal Center

  • See All Deals

Learn to Play

  • Guitar
  • Bass
  • Drum & Percussion
  • Piano & Keyboard
  • Folk Stringed Instruments
  • Voice Instruction
  • Harmonica

Learn Pro Audio

  • Live Sound
  • Recording
  • Mixing & Mastering
  • Software

Tablature

  • Guitar
  • Bass
  • Banjo
  • Mandolin
  • Ukulele
  • Fiddle

Sheet Music & Scores

  • Classical Solos & Excerpts
  • Piano & Keyboard Songbooks
  • Piano, Vocal & Guitar Songbooks
  • Transcriptions
  • Scores

Reference

  • Biographies
  • Instrument & Gear Reference
  • Music Theory & Ear Training
  • Video Documentaries & Performances

Classroom & Kids

Music Recordings

Related Categories

  • Music Software

Deal Center

  • See All Deals

What's New

  • See All New Arrivals

Clothing

  • Men's
  • Women's
  • Children's
  • Shoes

Headwear

  • Baseball Caps
  • Beanies & Knitted Caps
  • Hats
  • Bandanas & Headwraps

Lifestyle Accessories

  • Belts & Buckles
  • Wallets, Wallet Chains & Money Clips
  • Wristbands & Towels
  • Keychains
  • Jewelry & Watches

Home Furnishings

Collectibles

  • Photos, Posters & Plaques
  • Art Collectibles
  • Calendars
  • Collectible Figures
  • Stickers, Decals & Magnets
  • Lunch Boxes & Coolers

Related Categories

  • DJ Headphones
  • Personal & Home Entertainment
  • Wall Hangers
  • Lighting Effects
  • Concert DVDs

Top Lifestyle Brands

  • Fender
  • Gibson
  • Zildjian

Used Gear

  • See All Used

Deal Center

  • See All Deals

What's New

  • See All New Arrivals