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Phonic MK50 Keyboard Amplifier 

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The Phonic MK50 keyboard amplifier provides you the reliability and stability you need. Whether you need amplification for gigs or simply jamming alo...Click To Read More About This Product

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OVERVIEW

A keyboard amplifier with a 12-inch woofer and tweeter, 2 - 1/4-inch inputs, and the option to stand it on its feet or on its side.

The Phonic MK50 keyboard amplifier provides you the reliability and stability you need. Whether you need amplification for gigs or simply jamming alone, the MK50 keyboard amp is designed for demanding performance applications. It features a 12" custom woofer and tweeter, 2 - 1/4" inputs with level controls, a CD input through stereo RCA connectors, and a headphone and external speaker jack. The keyboard speaker also includes an insert point for adding external effects, a 4-band equalizer, a built-in reverb engine, and a peak LED light. The adjustable cabinet design allows you to place the amp in traditional, vertical, or studio monitor positioning while the steel grille protects the MK50 amp's components no matter what position it's in.

FEATURES
  • 12" custom woofer and tweeter
  • 2 - 1/4" inputs with level controls
  • CD input through stereo RCA connectors
  • Headphone output jack
  • External speaker jack
  • Insert point for adding external effects
  • 4-band EQ
  • Internal limiter
  • Peak LED
  • Master volume control
  • Reverb engine built-in
  • High-quality woofer and tweeters
  • Adjustable cabinet design for traditional, vertical, or studio monitor positioning
SPECIFICATIONS

MK50 Keyboard Amplifier

  • Output power rating: 50W RMS @ 2% THd, 8 ohm load - 120V AC line
    Gain: 50dB, tones at 12:00 @ 1kHz
    Tone control range: Low: 18dB @ 50Hz; Lo Mid: 21dB @ 150Hz; Hi Mid: 16dB @ 1kHz; High: 29dB @ 10kHz
    Input impedance: 10kOhms
    Maximum signal accepted: 10 volts peak to peak
    Insert jack: Line output (Max): 2.5 volts peak to peak; Line input (Max): 2.5 volts peak to peak
    Speaker size and rating: custom design 12" with 1.5" voice coil; 30 oz. magnet-power handling 100W; Piezo Tweeter-power handling 150W
    Cabinet Type: Port tuned enclosure
    Input Power Requirements: 120 VAc, 60Hz, 85VA; 100/110 VAc, 50/60Hz, 85VA; 230 VAc, 50/60Hz, 85VA
    Cabinet dimensions: 21-1/2" H x 17-1/2" W x 15" D
    Weight: 39.5 lb.
Reviews
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Review Snapshot

by PowerReviews
PhonicMK50 Keyboard Amplifier
 
3.8

(based on 50 reviews)

Ratings Distribution

  • 5 Stars

     

    (17)

  • 4 Stars

     

    (19)

  • 3 Stars

     

    (5)

  • 2 Stars

     

    (3)

  • 1 Stars

     

    (6)

79%

of respondents would recommend this to a friend.

Pros

  • Easy to use (27)
  • Portable (18)
  • Excellent sound (11)
  • Warm / comfy (9)
  • Good audio (6)

Cons

  • Weak (7)
  • Limited functions (5)
  • Heavy (3)

Best Uses

  • Home studio (15)
  • Amateur recording (9)
  • Performances (9)
  • Outdoor events / games (7)
  • Accompaniment (4)
    • Reviewer Profile:
    • Experienced (20), Professional musician (12), Novice (3)

Most Liked Positive Review

 

Don't write this amp off.

I received this amp from Musician's Friend as a bonus when I purchased a Korg SV-1 keyboard. It is perfect as a practice amp or even an amp for small room solo gigs....Read complete review

I received this amp from Musician's Friend as a bonus when I purchased a Korg SV-1 keyboard. It is perfect as a practice amp or even an amp for small room solo gigs. If you think you're going to drive a full 88 key keyboard or bass at full volume, you will be disappointed. There are three key points that allow you to pull more power out of this amp: 1) pay attention to the gain structure 2) use subtractive EQ and not additive, and 3) get the amp off the floor (I use two milk crates). I just used this amp on a medium size restaurant gig and it worked fine with only minor clipping. The Phonic EQ should only be used to cut frequencies, not boost them – all major EQing should be done before the signal hits the Phonic. I used an old Boss 8-channel line mixer loaded with reverb and delay effects as well as sends from a SV-1, vocal, Roland GR-55, a Digi Tech JamMan, and a Godin Spectrum guitar – sounded great. If you need a bull of a keyboard amp, pass on this. If you're willing to really work with EQ and gain structure in medium room environments, you might like this amp.

VS

Most Liked Negative Review

 

Nice sound, but weak on volume

I just bought the Phonic MK50 Keyboard Amp, and practiced with my rock band last night. I would expect a 50 watt amp to put out a lot more volume before maxing out....Read complete review

I just bought the Phonic MK50 Keyboard Amp, and practiced with my rock band last night. I would expect a 50 watt amp to put out a lot more volume before maxing out. The reverb is so-so, but most keyboards have nicer effects anyway. With the 4-band EQ, I got fairly nice sound quality, but both the clip lights on the individual channels, and the limit light on the output side, come on at fairly moderate volume, and sound will start distorting whenever they light up. If I keep it below clip levels and put it close to me, it's a nice personal keyboard monitor, but needs to be mic'd into the PA to be heard over the guitars. And the mic needs to be positioned to catch both the tweeter and woofer to get the full range of sound.The website, the manual, and even the box all say there is an external speaker jack, but there is not, nor is there a line out, unless I were to tap into the effects insert somehow.The amp seems to be built solid, but not high-end, with plastic corner protectors. There are no side-view pictures anywhere on the web, but the back is slanted both top and bottom like a floor monitor, so it faces mostly up, maybe 60 degrees, fairly good for keyboard either standing or sitting.I rated it good in value mainly because I got a really good deal from MF. At its typical price there are probably other better options, especially if you don't always have the ability to mic to a PA.

Reviewed by 50 customers

Displaying reviews 1-10

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(11 of 11 customers found this review helpful)

 
4.0

Don't write this amp off.

By Holmes

from Delaware

About Me Professional Musician

See all my reviews

Ask me a question

Pros

  • Great At Medium Volumes
  • Portable

Cons

  • Not A Lot Of Extra Power

Best Uses

  • Medium Rooms

Comments about Phonic MK50 Keyboard Amplifier:

I received this amp from Musician's Friend as a bonus when I purchased a Korg SV-1 keyboard. It is perfect as a practice amp or even an amp for small room solo gigs. If you think you're going to drive a full 88 key keyboard or bass at full volume, you will be disappointed. There are three key points that allow you to pull more power out of this amp: 1) pay attention to the gain structure 2) use subtractive EQ and not additive, and 3) get the amp off the floor (I use two milk crates). I just used this amp on a medium size restaurant gig and it worked fine with only minor clipping. The Phonic EQ should only be used to cut frequencies, not boost them – all major EQing should be done before the signal hits the Phonic. I used an old Boss 8-channel line mixer loaded with reverb and delay effects as well as sends from a SV-1, vocal, Roland GR-55, a Digi Tech JamMan, and a Godin Spectrum guitar – sounded great. If you need a bull of a keyboard amp, pass on this. If you're willing to really work with EQ and gain structure in medium room environments, you might like this amp.

(10 of 10 customers found this review helpful)

 
5.0

MK50 Keyboard amplifier Great for a drum amp

By Brian Dunning

from Pennsylvania

See all my reviews

Comments about Phonic MK50 Keyboard Amplifier:

The MK50 keyboard amplifier works great as a drum amp. I have an Alesis DM6 USB performance drum set. I did crank it up to full volume and had no problems at all except for everything rattlinging on the walls from the awsome bass and the loss of hearing :-). My roommate was downstairs and he said it sounded awsome. He is a very experienced gutar player with extensive knowledge in amps and he is very impressed. The peak and limiter lights do come on but only when I am really 'pounding' on the drums. I play with the input volume at 6, the master volume at 6, and the drum module volume at about 90%. This is more than loud enough without causing me to go deaf. It does come with a power cord which is packed in the triangular shaped packing cardboard piece unlike previously stated by another review. I can't say enough how happy I am with this purchase. Great sound, great features (except for the lack of speaker outs) and an excellent value. I was all smiles as soon as I hooked it up. Rock on :-)
The only problem with this amp is that there is no speaker out jacks eventhough it lists as having them. You could use the headphone jack as a speaker out but, then the amp will be bypassed. The back is trapazoid shaped so you can angle it. The reverb option is kind of weak but, I am using as a drum amp so reverb isn't a major concern. Overall it dials in nicely. I would have given a 10 if it wasn't for the mis-advertising about the speaker outs.
The quality is just unbeatable at this price. The corner pieces are plastic instead of metal but I have no intentions of banging it around. The sound is great. Excellent highs, mids and lows. The cymbals really come to life without any crackle or breaking up. The bass is deep and clean.
You can't go wrong at this price. I would have paid double the price for another amp and not have gotten as large of a woofer.

(6 of 8 customers found this review helpful)

 
1.0

Phonic keyboard amp MK50

By Terry Schneider

from U.S.A. planet Earth

Comments about Phonic MK50 Keyboard Amplifier:

I have to give a low score due to the fact that I have to send this Christmas present back.
That sucks.
2 channels with 4 bands of EQ. nice reverb
Woofer sounds great for bedroom practice.
Tweeter is bad right out of the box.
Has a buzz in it.
I thought that it was the nice metal grill but further investigation is it is the tweet.
I would give this a 10 if not for the tweeter issue.

(5 of 9 customers found this review helpful)

 
1.0

Create a Review of MK50 Keyboard Amplifier

By Southern Rocker

from Pittsburgh PA

See all my reviews

Comments about Phonic MK50 Keyboard Amplifier:

Works fine at lower volume. starts clipping at a lower volume than I would have expected, but it's a nice practice tool when away from my studio. I would buy another. It takes up very little space.
2 channel, no XLR. Couldnt expect more for the money. I like the fact that it can be used upright or, and a wedge monitor. Reverb is ok.
I'm using it as a practice rig with a small mixer and bass guitar in it.
works fine out of the box, but i've only had it for 2 weeks. I have 5 power amps, a powered mixer, and 2 Speaker cabs made by Phonic, and all have been great!
can't beat it for the price

(4 of 4 customers found this review helpful)

 
5.0

Pleasantly surprised

By DIaNXhqrq

from Glen Ellyn, IL

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Easy to Use
  • Portable
  • Realistic Sound

Cons

    Best Uses

    • Electronic Music

    Comments about Phonic MK50 Keyboard Amplifier:

    I'm giving this a 5 based on the quality given the cost (I got on sale). At this price, it was a great deal. The sound quality is quite good for the money. I use it to hear my synth and to practice with a band (not super loud though). The construction while using plastic in places is pretty sturdy. The knobs are firm and made of a hard plastic I believe. And it did come with a power cord.

    (3 of 3 customers found this review helpful)

     
    4.0

    Surprise

    By huvaro

    from Nashville tn

    About Me Experienced

    See all my reviews

    Pros

    • Easy to Use
    • Portable

    Cons

      Best Uses

      • Accompaniment
      • Drum Machine
      • Monitor

      Comments about Phonic MK50 Keyboard Amplifier:

      Well. I am not a keyboard player. But I use this to monitor my sequences in a weekly gig. So far it has worked fine (2 years). I am not too picky with my sound, I got 2 Roland keyboard amps and of course they sound better and louder but this Phonic does the job in a more than satisfactory way. I got it as a throw in with a Korg M50, and I am happy I got it that way since I didn't need a third key amp. If you have high expectations go for something else. If you just need to work out your gig I would recommend this one.

      (3 of 3 customers found this review helpful)

       
      5.0

      ...The same as the old boss

      By gridsleep

      from Undisclosed

      See all my reviews

      Comments about Phonic MK50 Keyboard Amplifier:

      I received this amp for "free" with the purchase of a Korg M50-61. It sounds loud, clean, and crisp. EQ controls are responsive and distinct. The main point I wish to make is this is exactly the unit the used to sell with a Crate marque on it. Exactly the same as a Crate KR50 with a different brand. Easy to haul, fairly light, fairly tough, nice space for cables under the power supply, dual 1/4" inputs and audio inputs, decent EQ, um, nice flocking. It does the job, and at this price you can get two for 100W of stereo out yer keyboard. Go for it.

      (2 of 2 customers found this review helpful)

       
      5.0

      Just what I was looking for

      By WYSIWYG

      from Gatesville, TX

      About Me Experienced

      See all my reviews

      Verified Buyer

      Pros

      • Easy to Use
      • Realistic Sound

      Cons

        Best Uses

        • Accompaniment

        Comments about Phonic MK50 Keyboard Amplifier:

        wan't as loud as I expected but a very clean sound. That's exactly what I was looking for in this amp.

        (2 of 4 customers found this review helpful)

         
        4.0

        key amp

        By Sohnostudios

        from Avon CT

        About Me Professional Musician

        See all my reviews

        Ask me a question

        Verified Reviewer

        Pros

        • Easy to Use
        • Realistic Sound

        Cons

        • Heavy

        Best Uses

        • Studio

        Comments about Phonic MK50 Keyboard Amplifier:

        Very good product for the money.

        (2 of 2 customers found this review helpful)

         
        4.0

        excellent practice amp

        By blues hack

        from VT

        About Me Experienced

        See all my reviews

        Verified Buyer

        Pros

        • Angled Cabinet A Plus
        • Good Responsive Controls
        • Volume Ok 4 Small Clubs

        Cons

        • 4 The Price None

        Best Uses

          Comments about Phonic MK50 Keyboard Amplifier:

          A good performer. I've used it as a practice amp, monitor for my sound reinforcement, and used 2 for a small stereo vocal reinforcement system. Within it's limits it's hard to beat.

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