Martynka wrote:

6257 really exist  !!! 🙂

 

link

 

Hi - Celestion HF2000
Mid - Celestion HF500
Low - Seas 33F-WK

Yes, as I already showed you earlier in this thread!!

Martin

Yes, you show me photo, I show you pair for sale 😁

Tell me, what material BeO used for internal speaker wires in vintage Beovox. Tin covered cooper ??

And last change - Alcap on board:

Cause I love trumpet stands, I bought in UK pair Beovox 3800. I take stands to my 5702 and I have rest of set - nice pair of 3800. It is worth to refurbish ?? It sounds good with this 12" Goodmans woofer ?? I can  listening 3800 after weekend but... I want know now. 

I will start with 3800 later. Now time for trumpets.

These stands are not the same like from M70. M70 trumpets are heavy and made from thick naked aluminium. All scratches I can polish. In 3800 aluminium is thin and light, easy to dent. Aluminum is covered with colorless varnish easy to scratch. When scratches are deep you can't polish it without varnish damage.

My stands are full of deep scratches and punch.

I removed all punches from botom side and removed all scratches and varnish with sand paper. 

Tomorrow I will sand blasting all surfaces with glass microgranules and after that I decide: polish or colorless paint .

Trumpets works episode II:

Now I take it to my friends's powder paint shop, he will cover stands with clear varnish.

Aluminum works gives the same fun like wooden works 😁

Trumpet stands episode 3

When my friend called that, the stands are ready, I was in my car in 2 seconds. I couldn't wait until tomorrow. So I'm in the paint shop and my jaw dropped. 

And finally in home. 

I finished Beovox 5702 renovation. I hope, not only me think that is good job 😕

When I listened through the SS amp, the transistors gave Beovox 5702 wonderful sound but my tube amp made the vocals backwards and hid somewhere on the stage ...

because I have 3800 bought for trampets and I renovated it: link

I conected to amp and at the sight of Beovox 3800 vocals ran back onto the stage and sang with great power and energy. The sound of the guitar that accompanies Mark Knopfler voice at brothers in Arms again got that claw that falls under the skin.

I like 5702, do you think that problems can be in 5702 xovers ?? If you remember 5700 were 2 types of crossovers. My is this older ( maybe the only ones that were in 5702 ) with impedance pick - red one.

tube amp is very sensitive on impedance changing and maybe when I change crossovers to 6253 type, my 5702 will sound better ??

This year Santa came earlier 😁

Now I have twins :

and one extra M100. 

All last day and half night I listened and compared sounds from these beautiful speakers. 

and from the first sounds in my head I had one question: Who the hell called the M100 the best of Beovox !!!

You listen to M100, then 5702 ... and you think someone finally pulled the blanket off the speakers and it started to sound. Here are some differences:

- Hi tones have more details on 5702 and larger range

- Mid tones in 5702 sound great in M100... this is perhaps the biggest failure

- Low tones, yes M100 have stronger bass but this bass kill rest of sounds, in 5702 bass is enought strong and with harmony with rest range.

- Scene, in M100 you have right speaker and left speaker, when listen 5702 you have 3D scene and speakers disappear as a sound source.

After my first listening, my friend, who has always wanted the M100, also came to listen to these speakers. When finished called the M100 a "great disappointment" ( maybe he wasn't objective because he has 5700 ) but... today one owner of the M100 also decided to listen to 5702 for the first time and said exactly what was written above and that "he lived in great ignorance thinking about the greatness of the M100" 

Between 5700 and 5702 the differences are insignificant, both models have different crossovers, I think in favor of 5702 ( very little stronger bass). 

I also know the 3800 sound which is close to 570x. Maybe the speakers have less power, but the sound quality, fullness and harmony also beat the M100 at 100%.

So how is it with the M100 ?? A urban legend ??

At the end, about the sound source because it can be important.

A 2 x 50W class A tube amplifier personally transformed by Lukas Fikus (Lampizator). Beogram 1800 (5213) turntable with RIAA preamplifier from Martin (@Dillen) and digital files through Musical Fidelity DAC.

but the same result of the comparison were on the NAD, Beomaster 6500 and Ayon Spark tube amplifiers.