Koch:   Twintone II 1x12 Combo 3651

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Clamshell Gig Bag
Briefcase Gig Bag

Non-Padded Dust Cover
    Padded Slip Cover
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What People Are Saying
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I just recieved my covers for my Dr. Z amp and they fit like a glove.
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~Gary P., Donald, OR
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The bag fits perfectly, and I am very impressed with the level of craftsmanship and protection in a lightweight case. Ideal for my portable organ pedals.
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~Michael B., Cape Elizabeth ME
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My Studio Slip arrived yesterday on time! Just wanted to say thanks again for all your great customer service. The slip fits as good as it looks. Couldn't be happier. Thanks again!
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~John C., Spring TX
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Thanks. My cover for the Ibanez Promethian P110C fits perfectly, as always.
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~Gary M., Houston, TX
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My cover arrived today, and I just wanted to thank you for the excellent work! It looks great and fits like a glove. Have a great weekend!
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~Bill S., St. Petersburg, FL.
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Got the vibe cover today. Fits real good. Thanks
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~Brad D., Tujunga CA
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Mike and Susan, I just wanted to thank you both again for being such good people to deal with. I have had a horrible time with customer service of a subwoofer manufacturer in California. Won't answer the phone, won't return voicemail messages, half-ass reads my emails, and gets a bit of an attitude when I want to clarify a point. Word of mouth is a strong point when it comes to repeat customers. That is why I play MESA/Boogie amps and own Studio Slips covers. Keep up the excellent work!
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~Joey B., Decatur, AL
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Thank you I received the covers ... They fit and are great many thanks
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~Richard C., Talent OR
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Hi from Scotland! Just wanted to thank you very much for the amp covers. Beautiful workmanship / design and I'm sure my amps will be much safer now.
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~Sam G., SCOTLAND
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I received my Mesa Boogie cover today. All OK, nice job, good looking, good quality, I appreciate your services, thanks a many, :-)
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~Pierre-André, Pully, Switzerland
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Just to let you know that the cover arrived yesterday. It fits perfectly and will provide great protection... and it looks really good too. Thanks again.
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~John A., Edmonton, Canada
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The slip cover was delivered yesterday. It fits perfectly. Nice job!
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~Steve M., Penfield, NY
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I just want to write you back and say thank you so much for putting great pride in making the best covers available. I received them on the 17th and they all look great and fits perfect. Thanks again for providing great service and craftsmanship.
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~Jan F., Hedmark, NORWAY
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I just wanted to thank you for the slip cover you made for my Diezel Einstein Combo Amp. It is a very high quality product and fits perfectly! I am very satisfied!
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~Keith A., League City, TX
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I received my slipcover for my Reason SM50 yesterday. Fits like a glove. Very nice indeed!
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~Tim B., Carlsbad CA
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Hello I got the cover and it is perfect, Thank you
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~William N., Jefferson City MO
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Thank you for the great briefcase/bag for my amp! The dimensions for the MoMark heads were right on and the fit is perfect. I will be telling other bassists on Talkbass about the superior quality of construction and reasonable prices for your products.
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~Rodger B., Guilford, CT
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Thank you Susan!! I received the cover today. It was just a size. I am very glad. I use only your cover. Because the quality and making are perfect. Thank you really. Regards, of the maximum.
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~Takaki Y., Naga, JAPAN
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Got the cover yesterday. Awesome! Thanks so much.
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~Tom B. Depew, NY
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I received my order in perfect condition, the cover fits and looks great ! It was a pleasure doing business with your company.
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~Jerry W., New Berlin WI
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I received my clamshell and I am very pleased with the quality workwomanship and overall process. Thanks so much... :)
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~John R., San Bruno, CA
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Great clamshells- if you put all the other cover manufacture's and a sewing machine in a box and rattled them around for 50 years it wouldn't come out this good! Great fit! Thank you-Pics enclosed of custom sized rig.
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~Dan H., Concord, CA
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I got my new clam shell for my Carr Mercury. Wow... the quality is fantastic. I really appreciate your personal and fast service. You are the BEST.
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~Tommy M., South Bend IN
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I received my Egnator's cover and it is VERY nice! Thank you very much for a high-quality product!
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~Tim B., Owasso, OK
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I just wanted to thank you for the amp covers you sent for my Swart and Two Rock. They fit like a glove and look great... but now all of my other amps are jealous. Will order again soon. Thanks!
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~Manny Z., Purchase, NY
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The bag fits perfectly, thanks!
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~Tor Egil B., OSLO, Norway
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The amp cover arrived today and fit perfectly... thank you for your attention to detail and the pleasure of your correspondence which 'fit' equally as well! Until we do it again...Love & Peace,
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~Jeffrey M., New York, NY
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The Bludotone Ported 1x12 Cabinet #3781 fits perfectly. I wanted to make sure since it's a new cover #. Love it.
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~David G., Freeburg, IL
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I received a clamshell cover for my Fender Deluxe Reverb as a birthday gift from my wife. I just wanted to tell you how pleased I am with it. The fit was perfect and the build quality was beyond excellent. Thanks so much for making such a fine product! I WILL be ordering more covers from you in the very near future.
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~Tim B., Camdenton, MO
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I just wanted to thank you for making great covers for my Peavey monitors that I ordered through Juniors Music. They fit perfect and the material is awesome too. I enclosed a couple shots of one for you. Thanks again!
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~Scott T., New Jersey
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Got my cover today. Fits perfectly! Thank you very much! 😊👍
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~Jason R., Austell GA
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I just received the three covers you made for me and they're gorgeous. All three fit like a glove and the quality of the fabric and the sewing is far superior to the ones I have received from Fender, Marshall and Vox. It's amazing that you were able to make them for some obscure amps and cabinets I own but you came through for me. As you know dust and dirt are probably the worst things that can get into an amplifier and these covers, especially the Clamshell for the Peavey will protect them for years to come. A huge thank you to you and your staff for providing consumers with a superior and reasonably priced product. Now I know why Mesa-Boogie contracted with you to make their covers.
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~Bruce C., Troy, NY
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Just got the covers, thanks, they are great! Especially the brown ones really match the tweed deluxes perfectly! Thanks again for all your great help and service
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~Steve B., UNITED KINGDOM
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The slip cover is perfect! Thank you so much.
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~Chris P., Union Bridge MD
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Both clamshell bags ('64 Deluxe Reverb and '62 Deluxe) fit perfectly. Thank you again (I now have four) and always impressed with your superb quality and attention to details !
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~Toshiya A., Japan
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Just want to let you know that the new cover is terrific as usual. Perfect fit. Thanks for the quick turn-around time also.
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~Doug P., Portsmouth, OH
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I received the cover today and it’s a perfect fit! It looks great as usual. Thanks for the good work. Hope to do business again soon.
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~Dan W., Canada
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Got the cover yesterday. Thanks very much. It's perfect. Protection for the best amplifier I've ever used (you can tell your husband!) You were right, the double padding doesn't really add any weight at all. Short of a full flight case this is going to guard against most of the knocks that the amps likely to get. I'm sure I'll be ordering things from you in the future. And will reccomend you to anyone who's looking for similar things.
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~Mike M
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Susan, the cover arrived and it fits perfectly. A great cover for my Dr. Z! Love it!
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~Brad N., Ham Lake, MN
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As is your style – the cover is perfect. The shipping glitch is no biggie at all! You already had a customer for life. Have wonderful, peaceful, and blessed Holidays!
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~Freeburg, IL
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My Marshall cover came today, just in time for my gig tomorrow. As usual, it looks awesome and fits nicely. I can put the footswitch and power cord in the front pocket. Very cool... Anyway, thanks again and if I get any more gear, my wife will shoot me. No, I mean I'll be contacting you for more covers (if she doesn't shoot me first!)
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~Rob B
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Hello Susan, I just received the cover in the mail. It fits my amp perfectly! Thank you for the expert correspondence and quick turnaround.
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~Kevin S., Seattle, WA
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The case cover arrived today. And, once again, you have succeeded beyond my expectations. The fit of the case cover is near perfect. The quality of materials and craftsmanship is excellent. I applaud you and your team. I even love the way you folded it for shipment so that your logo was on top! You have me as a customer for as long as you shall be in business and I continue to need high quality instrument case covers.
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~Warren R., Plano, TX
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I received the cover yesterday (Saturday). It's a very nice cover and fits perfectly. I am really pleased with it - many thanks.
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~Simon F., Grays, Essex, GB
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I was very impressed when I opened up the new briefcase-style gig bag for Rocktron MIDI Mate pedal board. I think the quality is very good, and it fits as expected. Delivery time was good too. My wife has been buying a few purses lately. So I showed her *my* new "purse". Custom-made, baby!! Looks sharp. (She just shook her head and walked away. I think she was jealous.)I'll be getting some more items from you. I have a couple of amps that need slip covers. I'm a believer in your quality now. Thanks very much!!
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~John R., Houston, TX
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The cover reached today. The size perfectly fits my amplifier. I can carry the amplifier by this at ease. Thank you indeed for a wonderful cover.
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~Takaki Y., Ueda-shi JAPAN
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Sorry it's taken so long to write...just have to say the covers are amazing! Your attention to detail is outstanding and they're a perfect fit. Not to mention, you are a pleasure to deal with. Thanks so much and know you have a very satisfied customer! PS...feel free to post this testimonial if you wish....
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~Randy S., Monmouth Junction, NJ
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Susan and crew, The order for my five amp and speaker covers came out absolutely perfect. I really appreciate the shop drawing procedure. It’s a great feeling to have all my nice equipment covered and protected. The covers look great and fit like a glove. Thank you for your service!
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~Brian V., Sacramento CA
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Congratulations on the 300 Guitars spotlight. It is always just a pleasure to know about a super quality product . A person might say, “Well, this is just a commodity.” However, the pursuit of excellence in any human endeavor is evolutionary. My deciding factor in purchasing my Fender cover from Studio Slips was exactly as you said, the notion that foam would be rigid. And, good to see that YOU and Studio Slips got the recognition!
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~Dave B., St. Louis, MO
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Susan, Another one of your killer covers arrived today. This one is perfect! Fits like a glove. Best one yet. Thanks, I will be ordering one more here shortly.
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~Aaron B., Redondo Beach, CA