Category

Musical Instruments
Showing results for "shadow p 4 preamp with piezo pickup"
Results 1 - 40 of 1140

Shadow Hills Industries Quad...

$3,690.00
Sweetwater Shadow Hills Industries Quad GAMA (4-Ch Microphone Preamp)
Free Shipping
/shadow-hills-industries/53YrCnyuM4Loc80_3gp9TA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - The Shadow Hills Industries Quad GAMA 4-channel microphone preamplifier is ready to be your go-to mic pre for any task. A formidable piece of no-compromise engineering, the Quad GAMA (Golden Age Microphone Amp) delivers massive, punchy, full-frequency sonics with extraordinary depth and air. You'll love the richness of vocals and acoustic guitars through the Quad GAMA, and the unique transformer switching matrix lets you shape your tone to suit any type of material. The Quad GAMA is even excellent at breathing life into mediocre line-level sources. If you're ready to step up to an astonishingly good preamp that's ready for almost any application or mic you throw at it, then you need the Shadow Hills Industries Quad GAMA four-channel mic preamp in your rack.Shadow Hills... Less
More

Shadow Hills Industries Quad...

$3,690.00
Sweetwater Shadow Hills Industries Quad GAMA (4-Ch Microphone Preamp)
Free Shipping
/shadow-hills-industries/53YrCnyuM4Loc80_3gp9TA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - The Shadow Hills Industries Quad GAMA 4-channel microphone preamplifier is ready to be your go-to mic pre for any task. A formidable piece of no-compromise engineering, the Quad GAMA (Golden Age Microphone Amp) delivers massive, punchy, full-frequency sonics with extraordinary depth and air. You'll love the richness of vocals and acoustic guitars through the Quad GAMA, and the unique transformer switching matrix lets you shape your tone to suit any type of material. The Quad GAMA is even excellent at breathing life into mediocre line-level sources. If you're ready to step up to an astonishingly good preamp that's ready for almost any application or mic you throw at it, then you need the Shadow Hills Industries Quad GAMA four-channel mic preamp in your rack.Shadow Hills... Less
More

Barcus-Berry Clamp-on Bridge...

$279.95
Sears Marketplace Barcus-Berry Clamp-on Bridge Violin Piezo Pickup With Preamp 3110
No Shipping Info
/barcusberry-clampon/8mhKaoPjDmPx6aREoUyCfg==/info
Sears Marketplace
IN_STOCK ( In stock )
Barcus-Berry Clamp-on Bridge Violin Piezo Pickup With Preamp 3110 is designed for violinists who need dependable performance without a permanently installed transducer. This piezo transducer clamps easily to the violin bridge and connects via cable to the included 3100P output jack. No holes to drill or tools required. The best of both worlds - ease of use plus wide-band frequency response excellent string balance feedback rejection and outstanding signal isolation.
More

Universal Audio 4-710D...

Free Shipping
3 stores Universal Audio 4-710D 4-Channel Microphone Preamp
The Universal Audio 4-710d is a boutique quality, four-channel microphone/line preamplifier with...
More

FOCUSRITE ISA428 MKII...

Free Shipping
2 stores FOCUSRITE ISA428 MKII MICROPHONE PRE-AMPLIFIER DJ (815301005124)
The ISA428 MkII provides four of Focusrite's prestigious transformer-based microphone preamps....
More

5Band Acoustic Guitar Preamp...

$58.92
Sears Marketplace 5Band Acoustic Guitar Preamp EQ Equalizer Piezo Pickup Tuner w/ C-MIC
No Shipping Info
/5band-acoustic-guitar/gRQo-qFTkAQuvJVrq6YAFg==/info
Sears Marketplace
IN_STOCK ( In stock )
5Band Acoustic Guitar Preamp EQ Equalizer Piezo Pickup Tuner w/ C-MIC
More

Solid State Logic Alpha VHD...

$1,679.00
Sweetwater Solid State Logic Alpha VHD (4-Ch Preamp)
Free Shipping
/solid-state-logic-alpha/UxFs-WBJI4WnZaQxeL2qZA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - The SSL Xlogic Alpha VHD preamp gives you the flexibility to track transparent, clear audio, or add sonic character ranging from warm to raging. Four premium SSL preamps (with up to 75dB of gain) are on board the Alpha VHD, combined with a Variable Harmonic Drive circuit that will make this unit an incredibly versatile part of your signal chain. You already know SSL's products feature quality and reliablity that's second to none; now get some of that great SSL sound for yourself with the Alpha VHD preamp!SSL Xlogic Alpha VHD 4-channel Preamp at a glance:SSL quality and innovationVariabl e Harmonic DriveAn array of controlsSSL quality and innovationBased on the VHD circuit from SSL's Duality console, the VHD Pre adds four SSL mic preamps to any line level DAW audio interface,... Less
More

PRS P22 - Black Gold Burst...

$3,399.00
Sweetwater PRS P22 - Black Gold Burst with Piezo (P22 w/Piezo Black Gold Burst)
Free Shipping
/prs-p22-black-gold/HT2sIl974ukt0F8fNMBGGg==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The PRS P22 solidbody electric guitar combines the classic tone of vintage-style humbuckers and a glorious, natural acoustic sound. The axe sports a beautiful figured maple top and is fitted with a modified PRS/LR Baggs piezo pickup system that gives you a gorgeous, full-bodied acoustic guitar tone. Separate output jacks and volume controls let you blend your piezo output with the P22's 57/08 pickups or send it on a separate signal path. With its fast neck, and tasteful appointments, the PRS P22 is a must-have.PRS P22 Solidbody Guitar at a Glance:Choice tonewoods protected with PRS's amazing V12 finish PRS/LR Baggs piezo pickup system lets you blend in natural acoustic toneUncovered 57/08 pickups deliver sweetened humbucker soundChoice tonewoods protected with PRS's... Less
More

Acoustic 5-Band EQ Equalizer...

$82.78
Sears Marketplace Acoustic 5-Band EQ Equalizer Guitar Preamp Piezo Pickup LCD Tuner
No Shipping Info
/acoustic-5band-eq/-XlwX2HniBYxm5m2MfW0cw==/info
Sears Marketplace
IN_STOCK ( In stock )
Features: Acoustic 5-Band EQ Equalizer Guitar Preamp Piezo Pickup LCD Tuner
More

PRS P22 - Jade with Piezo...

$3,399.00
Sweetwater PRS P22 - Jade with Piezo (P22 w/Piezo Jade)
Free Shipping
/prs-p22-jade-with-piezo/cCPgTRQQPr0PHEmKms2TwA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The PRS P22 solidbody electric guitar combines the classic tone of vintage-style humbuckers and a glorious, natural acoustic sound. The axe sports a beautiful figured maple top and is fitted with a modified PRS/LR Baggs piezo pickup system that gives you a gorgeous, full-bodied acoustic guitar tone. Separate output jacks and volume controls let you blend your piezo output with the P22's 57/08 pickups or send it on a separate signal path. With its fast neck, and tasteful appointments, the PRS P22 is a must-have.PRS P22 Solidbody Guitar at a Glance:Choice tonewoods protected with PRS's amazing V12 finish PRS/LR Baggs piezo pickup system lets you blend in natural acoustic toneUncovered 57/08 pickups deliver sweetened humbucker soundChoice tonewoods protected with PRS's... Less
More

Music Man JP Electric Guitar,...

$2,408.00
Austin Bazaar Music Man JP Electric Guitar, Piezo / Magnetic Pickup, Rosewood Fingerboard - Mystic Dream
Free Shipping
/music-man-jp-electric/Xw2EjNPia-geBxmuFw8VGg==/info
Austin Bazaar
IN_STOCK ( In stock )
Store not rated
Free Shipping
Music Man teamed up with John Petrucci from Dream Theater and put together this beautifully crafted electric guitar that once seen, will haunt your (mystic) dreams until you get your hands on your own.Everything about this guitar has been hand selected with an exquisite eye for detail, like the maple neck with an adjustable truss rod and 5-bolt mounting to the basswood body that is perfect for alignment and no slipping. A sculpted neck joint allows smooth access to higher frets. A rosewood fretboard with 24 high profile, stainless steel frets gives excellent playability. Topping off with Schaller M6-IND locking tuners with pearl buttons and a Custom John Petrucci Music Man floating tremolo of chrome plated, hardened steel with solid steel saddles complete the hardware.In addition to the 2... Less
More

PRS P22 Piezo Tremolo 10 Top...

$3,949.00
Sweetwater PRS P22 Piezo Tremolo 10 Top - Black Gold Burst
Free Shipping
/prs-p22-piezo-tremolo-10/VKdmeVB74Ah-YIDtS4E8DA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The PRS P22 Trem solidbody electric guitar combines the classic tone of vintage-style humbuckers and a glorious, natural acoustic sound. The axe sports a beautiful figured maple 10-Top and is fitted with a modified PRS/LR Baggs piezo pickup system that gives you a gorgeous, full-bodied acoustic guitar tone. Separate output jacks and volume controls let you blend your piezo output with the P22's 57/08 pickups or send it on a separate signal path. With its fast neck, tasteful appointments, and vibrato tailpiece the PRS P22 Trem is a must-have.PRS P22 Trem Solidbody Guitar at a Glance:Choice tonewoods protected with PRS's amazing V12 finish PRS/LR Baggs piezo pickup system lets you blend in natural acoustic toneUncovered 57/08 pickups deliver sweetened humbucker... Less
More

1pkg Martin Acoustic Guitar 4...

$61.63
Sears Marketplace 1pkg Martin Acoustic Guitar 4 Band Preamp Eq Piezo Pickup Tuner Et4(no Battery)
No Shipping Info
/1pkg-martin-acoustic/OM95Yk41-YwjgQk5lfP_HA==/info
Sears Marketplace
IN_STOCK ( In stock )
Condition: NewEQ: 4-bandBass: +/- 12 dbMid: +/- 12 dbTreb: +/- 12 dbPres: +/- 12 dbTuner Function: Power/Note/PitchT uner: Auto/Manual (7B, 6E, 5A, 4D, 3G, 2B, 1E)Pitch: 433~447 HzPower Supply: 9v batteryDimension of the Cutout for Installation: : 84 mm (length) x 52 mm (width)Package Including: Active Preamp/EQ/Tuner, Output Wiring Harness, Piezo Pickup, Mounting Screw(no Battery) Part No.: ET-4We manufacture all kinds of instrument parts and conduct The direct model so that our price is very low with high quality - Most orders ship in 3 to 5 business days. - R1
More

Kremona NG-1 Piezo Nylon...

$69.00
American Musical Supply Kremona NG-1 Piezo Nylon String Guitar Pickup
Free Shipping
/kremona-ng1-piezo-nylon/52DWPIfYI97MOx8BAjPu9A==/info
American Musical Supply
IN_STOCK ( In stock )
Free Shipping
Kremona NG-1 Piezo Nylon String Guitar Pickup is a great lightweight tonewood pickup option for your guitar. The great natural sound amplification from this pickup is awesome, and better yet, there are no permanent modifications necessary to your Guitar. The installation is very simple, and the pickup uses the tension of tuned strings to hold it in place. The NG-1 will safely be held against the tie bar of most guitars. A detachable and easy to replace cable comes with the NG-1. When not using the Guitar, the NG-1 pickup can be left in place with no adverse affect on the instrument or the sound. Kremona NG-1 Piezo Nylon String Guitar Pickup Features: Natural, detachable passive piezo pickup Encased in lightweight tone wood NG-1 ensures natural sounding... Less
More

Avid PRE (8-Ch Mic PreAmp)

$2,495.00
Sweetwater Avid PRE (8-Ch Mic PreAmp)
Free Shipping
/avid-pre-8ch-mic-preamp/5sfX6eKmwI-XmVRGhHC1EA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Pro Tools - Experience eight channels of absolutely astounding preamplification. Avid's PRE delivers absolutely pristine, high-definition audio to your system in exquisitely clear detail. Eight fully discrete, matched- transistor digitally controlled preamps are responsible for the PRE's incredibly transparent sound. This highly flexible circuitry easily accommodates mic, line, and direct instrument signals. Although you can access its settings directly from its front panel (allowing you to use it purely as an outboard multichannel preamp), you can keep your Avid PRE located comfortably in your rack, remotely controlling its settings entirely from within Pro Tools|HD or an Avid control surface. Avid PRE 8-channel Microphone Preamplifier Features at a Glance:Eight discrete matched... Less
More

True Systems Precision 8...

$2,699.95
Sweetwater True Systems Precision 8 (8-Ch Microphone Preamp)
Free Shipping
/true-systems-precision-8/ESFFg8B1pcOZFvwkvy4wrA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - A mic pre by the world leader in microphone manufacturing, the Precision 8 gives you eight channels of pro-quality preamplification! The first two inputs can be linked in a MS configuration and inputs 7 and 8 can be used as a direct box for line level signals. The outputs are balanced TRS and a DB-25 wired like a TASCAM DA-88. The front panel sports level controls, metering, +48V switch, polarity switch and a rotary control that defines the range of the metering. And the sound quality is superb.Built in Mid/Side Decoding for stereo image control 8 Mic preamps w/ +48, and phase revese on each channel Two selectable active high impedance instrument inputs on Channels 7 and 8 Dual output connections, TRS 1/4 and DB-25 (standard DA-88 pin outs) 5 segment level indicator w/ peak... Less
More

Barcus-Berry Piezo Buffer...

$179.95
Sears Marketplace Barcus-Berry Piezo Buffer Preamp With EQ 3000A
No Shipping Info
/barcusberry-piezo-buffer/P185XOBI0YfM1V3ihjQ-rw==/info
Sears Marketplace
IN_STOCK ( In stock )
Barcus-Berry Piezo Buffer Preamp With EQ 3000A is specifically designed to work with all Barcus-Berry piezo crystal systems. Features external bass treble and volume frequency controls to allow a wide range of adjustment. Includes a belt clip for unrestricted movement.
More

Super Sensitive Piezo...

$48.99
Sears Marketplace Super Sensitive Piezo Sensor/Pickup With Volume control 9210
No Shipping Info
/super-sensitive-piezo/kBqxQgT5kFsWE5lvDFAgbg==/info
Sears Marketplace
IN_STOCK ( In stock )
Super Sensitive Piezo Sensor/Pickup With Volume control 9210 - Available Brand New at Ant Hill Music! Your Trusted Musical Instrument, Parts & Accessories Superstore.
More

Rupert Neve Designs Portico...

$2,945.00
Sweetwater Rupert Neve Designs Portico 5024 (4-Ch Mic Preamp)
Free Shipping
/rupert-neve-designs/TkvnMMCpiXYIG-bohmG9DQ==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - Based around the same technology as the 5012, the Rupert Neve Designs Portico 5024 is a 4-channel mic preamp that will enhance the front end of your recording system. Independent controls featured on each channel include: Silk, highpass filter, mute, phase inverter, trim, gain, ground lift, and phantom power. Channel 1 and 2 are setup as hi-Z inputs for easy instrument recording, while 3 and 4 feature Mid-Side decoding. The Portico 5024 uses the same Class A circuitry and transformers as the 5012, keeping noise and distortion to a minimum.Add 4 channels of classic sound to your studio with the Rupert Neve Designs Portico 5024! Features at a Glance:4-channel Mic PreBased on the 5012 transformer and Class A circuirtryPhantom Powerhi-Z instrument inputs on Channel 1 and 2... Less
More

4 Band EQ 7545r Piezo Preamp...

$39.43
Sears Marketplace 4 Band EQ 7545r Piezo Preamp Amplifier Equalizer Tuner for Acoustic Guitar Comp
No Shipping Info
/4-band-eq-7545r-piezo/p6-OeBzBGEqpgVg3ZMq0QA==/info
Sears Marketplace
IN_STOCK ( In stock )
4 Band EQ 7545r Piezo Preamp Amplifier Equalizer Tuner for Acoustic Guitar Comp
More

Millennia HV-3D 8-Channel...

$4,021.99
Sweetwater Millennia HV-3D 8-Channel (8-Ch Transformerless Preamp)
Free Shipping
/millennia-hv3d-8channel/De6BnL4PvZToxtkE-LEJ9w==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - The Millennia HV-3D is an 8-channel version of the very successful and popular HV-3C stereo preamp. The HV-3D combines multiple channels to minimize redundant mechanical and electrical parts. This is a tool you can build a career around: it will remain valuable and useful no matter how far your sonic explorations take you. Acquiring an HV-3D is a step off the upgrade treadmill, a step that will ultimately save you much more than your initial investment. For pristine audio capture on location and in the studio, Millennia's HV-3D is a great option!Millennia HV-3D at a Glance:Open, Transparent SoundPerfect for Location RecordingPristine Audio PathOpen, Transparent SoundMic preamplifiers magnify the input as much as 1000:1. There's no Undo after this point. Coloration or distortion... Less
More

Radial StageBug SB-4 Piezo...

$79.99
zZounds.com Radial StageBug SB-4 Piezo Compact Active Pickup DI Direct Box
Free Shipping
/radial-stagebug-sb4/JRMJUuAiYYLg1qRuZau9DQ==/info
zZounds.com
IN_STOCK ( In stock )
Free Shipping
The Radial StageBug SB-4 is a compact active direct box that has been optimized for use with piezo transducers.
More

PRS P22 Trem - Gray Black...

$3,399.00
Sweetwater PRS P22 Trem - Gray Black (P22 Fig Trem w/Piezo Gray Black)
Free Shipping
/prs-p22-trem-gray-black/kf_NZFbeBDWm1UhTIA4Wvw==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The PRS P22 Trem solidbody electric guitar gives you the classic tone of vintage-style humbuckers plus glorious, natural acoustic sound. The axe sports a beautiful figured maple top, and is fitted with a modified PRS/LR Baggs piezo pickup system that gives you gorgeous, full-bodied acoustic guitar tone. Separate output jacks and volume controls let you blend your piezo output with the P22's 57/08 pickups, or you can send it on a separate signal path. Factor in its fast neck, tasteful appointments, and vibrato tailpiece, and the PRS P22 Trem is a must-have.PRS P22 Trem Solidbody Guitar at a Glance:Choice tonewoods protected with PRS's amazing V12 finish PRS/LR Baggs piezo pickup system lets you blend in natural acoustic toneUncovered 57/08 pickups deliver sweetened... Less
More

PRS P22 Trem - Antique White...

$3,399.00
Sweetwater PRS P22 Trem - Antique White (P22 Fig Trem w/Piezo Antique White)
Free Shipping
/prs-p22-trem-antique/uOAAuZ475Zi59exhKlHEkQ==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The PRS P22 Trem solidbody electric guitar gives you the classic tone of vintage-style humbuckers plus glorious, natural acoustic sound. The axe sports a beautiful figured maple top, and is fitted with a modified PRS/LR Baggs piezo pickup system that gives you gorgeous, full-bodied acoustic guitar tone. Separate output jacks and volume controls let you blend your piezo output with the P22's 57/08 pickups, or you can send it on a separate signal path. Factor in its fast neck, tasteful appointments, and vibrato tailpiece, and the PRS P22 Trem is a must-have.PRS P22 Trem Solidbody Guitar at a Glance:Choice tonewoods protected with PRS's amazing V12 finish PRS/LR Baggs piezo pickup system lets you blend in natural acoustic toneUncovered 57/08 pickups deliver sweetened... Less
More

Parker PDF35 - Black, Piezo...

$499.00
Sweetwater Parker PDF35 - Black, Piezo (Black, 2HB, tune-o-matic, Ghost piezo)
Free Shipping
/parker-pdf35-black/f8MmrZQBOSTuQHdtMHMdrQ==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Electric Guitars - The Parker PDF35 solidbody electric guitar proves you that you really can get a value-packed guitar at a low price. You get the lightweight body and smooth, fast neck Parkers are known for. You also get complete tonal flexibility, thanks to the PDF35's Graph Tech Ghost piezo system that gives you access to acoustic- electric tones too. It's a great compliment to the powerful pair of humbucking pickups. Parker is known for unique guitars with player-focused features, and the PDF35 solidbody electric is no different.Parker PDF35 Solidbody Electric Guitar at a Glance:Amazingly lightweightSlim, comfortable neckStellar, wide-ranging toneAmazingly lightweightThe Parker PDF35's lightweight mahogany body will astound you. It's incredible how lightweight this guitar is when you... Less
More

Kremona NG-1 Classical Guitar...

$69.00
zZounds.com Kremona NG-1 Classical Guitar Piezo Pickup
Free Shipping
/kremona-ng1-classical/K52LtMm5dTXM6HTy0Mj8oQ==/info
zZounds.com
IN_STOCK ( In stock )
Free Shipping
Encased in lightweight tone wood, the Kremona NG-1 Classical Guitar Piezo Pickup ensures the natural sound of your guitar without modification.
More

Nordstrand- Preamp 2B-MM

$160.00
Best Bass Gear Nordstrand- Preamp 2B-MM
Free Shipping
/nordstrandpreamp-2bmm/C5QPdg5_UzymNyM81bEaUw==/info
Best Bass Gear
IN_STOCK ( In stock )
Store not rated
Free Shipping
Introducing the Nordstrand 2B-MM preamp; an accurate reproduction of an early pre-Ernie Ball® Music Man® 2-band preamp, prewired and ready to install. 
More

Shadow Nanoflex Violin Pickup...

$199.95
Sears Marketplace Shadow Nanoflex Violin Pickup with Preamp SH945NFX
No Shipping Info
/shadow-nanoflex-violin/SlPFel9J9HoJDHlxoI943w==/info
Sears Marketplace
IN_STOCK ( In stock )
Violin is a trade mark instrument for the planet earth. Its beautiful design and incredible frequency response make this instrument to be loved and used in symphony jazz and contemporary music. Nanoflex pickups do not only take the vibrations of the strings like common undersaddle pickups. Nanoflex senses the vibrations of the strings AND the body of the instrument simultaneously. No other pickup technology gives you this high level of sound reproduction.
More

Daking Mic Pre IV (4-Ch Class...

$2,599.00
Sweetwater Daking Mic Pre IV (4-Ch Class A Mic Preamp)
Free Shipping
/daking-mic-pre-iv-4ch/TpQfbRMLaYujtqSdH9kjpA==/info
Sweetwater
IN_STOCK ( In stock )
Free Shipping
Preamps - The Daking Mic Pre IV microphone preamp puts four channels of classic-sounding Class A performance to work for you at a very friendly price! The Mic Pre IV features the same discrete transistor circuitry featured in Daking's Mic Pre One, with transformer balanced inputs and outputs. You get switchable phase, 20dB mic input pad, phantom power, and selectable 1/4 inputs on the front panel, plus large aluminum knobs to give you control over the variable gain. Made to fit into a single rackspace, the Mic Pre IV makes an incredible front end! Daking Mic Pre IV 4-channel Class A Microphone Preamp at a Glance:Plenty of options Simple layout, complete controlThe Daking storyPlenty of options The Mic Pre IV features a 20dB mic input pad and +48V phantom power and three 1/4 inputs (plus a... Less
More

Prices are provided by the merchants. We assume no responsibility for accuracy of price information provided by merchants. Please alert us to any pricing discrepancies and we will alert the merchant. Sales taxes are estimated at the zip code level. Shipping costs are estimates. Please check store for exact shipping costs. To learn more about why certain stores are listed on the site, click here

Product specifications are obtained from third parties, and while we make every effort to assure the accuracy of product information, we do not assume any liability for inaccuracies. Store ratings and product reviews are written and submitted by online shoppers to assist you as you shop. They do not reflect our opinions. We take no responsibility for the content of ratings and reviews submitted by users.

Copyright © 2000-2014 eBay Inc. All Rights Reserved

Advertisement
http://img.shoppingshadow.com/jfe/JavaFrontEnd-fe.apimig.sp6-21623
http://img.shoppingshadow.com/jfe/JavaFrontEnd-fe.apimig.sp6-21623