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The Drivers are at home now, so the first attempt at a Baffle can begin, I intend on using 18mm Buffalo Board, this is a compressed board, I assume it started out as 20+mm board. There are many off cuts of this material at my workplace. I have the HiFi World Supplement, it is Number 19, put out in D...

A option on the table for the Bass Section, before expensive cap,s are purchased, is to connect the Bass to a available Panel Amp, so they will have their own power source and frequency adjustment. This is new to me, but I am reading it as a type of active sub woofer. I remember NoelKeywoid covering...

There is no Gratitude amiss at this end. All thoughts/contributions in any measure being expressed on the build are being very well received. I have a friend who lives local, who has worked on Xovers and Built a few of their own speakers. This person is fluent on the speaker design subject and fortu...

The types of technical description offered are above my understanding. For me they are another advisory to be presented to those who will assist with producing the Crossover. I have been offered the chance to put the Beyma Drivers onto a Vidsonix Crossover to get the initial feel, and revisit the Ba...

Thank you Simon I attached myself to Audio Talk because of the OB Content, and reinforced that experience by visiting Owston. The intention has been rooted for many years, Audio Talk took the idea to achievable, as the amount of projects completed proved this. I like the idea of adding one more to t...

That's encouraging Nick. I also know your proud of these speakers and have offered to me the invite to listen to them. The Beta 15's are a driver I was pointed to in the past on here, I remember it being praised for its VFM to performance. As mine are super cheap as a purchase, if all are functionin...

I am not the one to defend my corner against any of the foreseen failings with the driver choices. The constraints are being pointed out by time served builders, so I will take note. I am not at present,in a place where I feel I should abandon a few drivers for a couple of say Fane 18XB's. A Steve h...

I will keep posting on the progress with the build. I'm sure there will be a few head scratching moments for all. All Drivers will be mounted on a rigid board/baffle for the initial learning phase, then later a dedicated design for a Baffle will be produced I am keen to know the individual Baffle Si...

I made a call today to the builder to ask if there was any change in the perception of the Miflex, of which I was told it was more obvious that they were sounding a little flat in comparison. I have purchased some Z Foil resistors that are yet to be used, we have both agreed the Z Foils would be bes...

Hi Steve I'm glad you approve :D You are indirectly responsible for my choice of drive units, and you are also the individual who inspired the Vendor of the Drivers that I bought to build there own OB, even though it ended up a active design, but it did have 18" XB's as well. I am hoping to hav...

The words of the wise are taken, I will make my offer for these units. As I am close to having all the drive units at home, and I make no secret of the fact I am a 'Electronics Numb Nut' would it be a sensible move to purchase a adjustable virtual xover box, to get the initial usage of the Open Baff...

I have now auditioned two types of Copper Cap's in the circuit of the device being built for me. I have settled for the Audyn 0.68uf with the Blue Casing bought used from a forum member. For the price paid for the Blue Casing and the Perception of Space and the expansion of the soundstage on offer, ...

I am much closer to producing my first Passive OB Build. I have 2 x Beyma TPL150H, 2 x Beyma 12P80ND, 4 x Eminence Beta 15's. I intend on using a 1st Order Xover. I have been offered 2 x Beyma CP21F with a 1st Order Xover, produced from expensive parts for a very fair price. My plan so far, is to ge...

I don't know the intended usage, how the design is going to implement it, or the reasoning behind the value to be used. It is all part of a process to producing a Bespoke Device for myself. I have no wish to discuss with the EE any of his reasoning, I am happy to be supported in the production of a ...

Hi Marcella
Welcome to Audio Talk, there are DIY and Professional Builders of HiFi equipment on here,
I'm sure you will feel at home.