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Forums :: Ask Instructor David Barrett

guitar cabinets modified for harp

7 replies [Last post]
Tue, 05/25/2021 - 10:04
tommy hunt
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hi david

i saw an ad for a 4x10" guitar speaker cabinet

i presume the back is closed

is there a way to make the cabinet better for harp?

      also is there a formula for the amount open space in the back and where the open part is?

just becasue the cabinet is not expensive, doesnt  mean in the end this is the way to go

what do you suggest?

also, the cabinets that mark overmann is now selling, i have heard have a smaller open part in the back

if i were to ask him to make a cabinet for me, how much open space in the back would you suggest i ask him to make?

thanks,  as always

tommy

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Tue, 05/25/2021 - 10:55
#1
David Barrett
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Joined: 12/20/2009
Hello Tommy. You're moving

Hello Tommy. You're moving out of my area of expertise. If you're going to get a cabinet from Mark, just get what he suggests... I trust Mark.

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Sat, 05/29/2021 - 14:54
#2
tommy hunt
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called mark about the cabinet

i did call mark about the cabinet

i decided to order one from him

we have talked about the speakers, the Q's are $350 and the new eminence for the re-issue are $140

i have heard the weber 10A 125 O are a good option, they are $110

the cabinet will be used by a masco 18, and other small amps, if they can drive the cabinet

      i am not sure if a 2x10 cabinet is workable with a large 4x10 amp? what do you think?

 i have a re-issue 59 to put speakers in, as well as 1960 4x10 concert

           so that is 10 speakers to buy for the two amps and cabinet

so my question is, are the new eminence he has .. the same as the ones put in the original re-issue?

                              if not, i will try the 10A125 O in the cabinet, and if good, put them in the re-issue and concert

i appreciate writing this post to you because my focus has become more clear

thanks for your patience

tommy

 

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Sat, 05/29/2021 - 16:28
#3
David Barrett
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Hello Tommy. You ask, "are

Hello Tommy.

You ask, "are the new eminence he has... the same as the ones put in the original re-issue?" I assume you mean reissue Bassmans from the early 90's? When you say, "new eminence he has," the answer is no. If he's selling quads of the speakers from the 90's (which I think he has sometimes), then yes, they are the same. Talk to Mark about this, he can give you all the details you're looking for.

P.S., the Weber speakers are nice... but different in sound from the Q's. Q's are more smooth in tone... Webers sound more powerful. Just depends on what you're looking for.

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Thu, 06/10/2021 - 11:13
#4
tommy hunt
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more on speakers and mark's cabinet and other

hi david

as always, thanks for for attention and your reply

i did buy a cabinet with two 10" blue frame eminence from mark, i will probably recieve it next week

                i am thankful to have it

i can use it with the masco 18,

          i need to memorize the the ohm settings on the masco for different cabinets, and amps that the masco can go into

                      i am fearful, of burnig up an amp when i consider using a Masco and separate anmp, so i will double check before doing this

                     i believe Mark  said not to use with the 2x10 cabinet with a 4x10 amp

                    did you ever use 2x10" cabinet with the wezo 45 you owned, the wezo  had a 12" and a 10"  speaker 

                                                              i seem to remember you had a cabinet you used with one of dale's amps

                                                             it may have been a different amp than the wezo 45

                   i will ask you and mark again , forgive me if i ask more than once in order to know the do's and dont's

 

 

so... you mentioned the weber 10A 125O are more powerful than the smooth Q speakers

           i am presuming you are speaking about the vintage Q speakers, and not the modern Q speaker, if there is such a thing

mark has a bunch of new speakers, i will probably have a list of options for the speakers in the re-issue 59

                         i am not going to put vintage Q's in the 59 re-issue, $350 for a vintage Q becomes $1400 for a 4x10 amp

           mark did disuade me from using the 100 watt speakers dale sent you for the chronicles comparison

i will post the choices for speakers to use in the re issue-bassman before i buy them

             then i will invite you opinion, thank you, i know this seems to be an endless question

 

as to the lessons, i have studied the beginning section on tongue blocking and learned the the 2nd song Temperture , enough time has passed that i have forgotten it, re-learning it will be faster, i will print the pdf of the notes and carry it with me

i will look at the beginning of the other sections, and pay attention to them all, i hope this will motivate me

thanks

tommy

 

 

 

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Thu, 06/10/2021 - 14:58
#5
David Barrett
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My pleasure Tommy "i did buy

My pleasure Tommy

"i did buy a cabinet with two 10" blue frame eminence from mark"

Fantastic

"i need to memorize the the ohm settings on the masco for different cabinets, and amps that the masco can go into i am fearful, of burnig up an amp when i consider using a Masco and separate anmp, so i will double check before doing this"

Maybe write the values on a label and stick it under the amp or under the cabinet. Keep in mind that you can go 2x up or down and it's safe for the head (if the head is 4 ohm you can use a speaker cabinet, or cabinets, that are rated at 2 ohms or 8 ohms).

"i believe Mark said not to use with the 2x10 cabinet with a 4x10 amp"

Correct. The Bassman's is rated at 2 ohms, which is very low... if you use a head, even if it's set up for 2 ohms, by adding a cabinet, you'll probably be asking too much of the head.

"Did you ever use 2x10" cabinet with the wezo 45 you owned, the wezo had a 12" and a 10" speaker"

Yes, I did. My 2x10" is 4 ohms and Wezo cab was 8 ohms. You can use your 4 ohm setting or 2 ohm setting on your head (experiment for best sound) safely.

"You mentioned the weber 10A 125O are more powerful than the smooth Q speakers i am presuming you are speaking about the vintage Q speakers, and not the modern Q speaker, if there is such a thing"

Correct

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Sat, 06/26/2021 - 20:51
#6
tommy hunt
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received the 2x10

hi david

thanks for taking the time to go through the post, i will re-read it several times to absorb it

i appreciate you reminding me that you trusted mark

          he certainly has been generous with his time and knowledge, i do like the sound of the cabinet

                          it has two black eminence based on the blue frame

         and the cabinet looks great with the large oval opening in the rear

  

today i did play using the 2x10 cabinet with the masco 18, i liked what i heard

          i am going to send the masco to skip this week

         

i look forward to using the the cabinet with your old wezo 45, i had only played it when it arrived

        but because of the apartment house neighbors i have let it be, now that the cabinet has arrived, i have an excuse to pull out the wezo 45

                               

 Mark mentioned he has some projector cabinets, and i asked him to put a weber 10A125 O speaker in it

                  the cabinet i just got from him is 4 ohms, and i have a lot of smaller single speaker amps at 8 ohms, so i will be able to use that projector cabinet without worrying 

         i have put outs to cabinets on most of my smaller amps.... so having a 8 ohm cabinet that will work with all of them

                                                                                                                       seems like a safe idea

                                         i also have a small 8" cabinet with a newer jenson ceramic 8 ohm to test something when needed

 

i went to the solo harmonica study 1 lesson, 1 chord grooves and then onto the articulation video

               i am sure i take more time than anybody to get through a video lesson, i write down everything as well as the timeline

              i did listen briefly and fast forwarded  through the lesson the first time as an overview, and i heard lots of chord patterns that can start    

                                                                                                                                                               off a band      

             i can appreciate that                                                                             

          also i listened to the chords and they were familiar, then i heard a place you go to with a chord or note that is unexpected

                                          so even though it is taking me a long time to even get halfway through the video lesson

                                          i know there is something waiting for me, thanks for the motivation

tommy

 

 

 

 

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Sun, 06/27/2021 - 07:12
#7
David Barrett
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Joined: 12/20/2009
Hello tommy. I'm glad that

Hello tommy. I'm glad that you received the cabinet...it will serve you well for many years to come. I'm also glad that you're enjoying your studies. Thanks for the update.

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