Anyone owns a Dynavox VR-307 Amplifier ?

[lduarte1973]

Anyone Knows or owns a Dynavox VR-307 Amplifier ?

i´m interested in buying one of these but i read it´s a fake and not a amp with tube preamp stage + fet power amp stage , anyone knows this amps ?

 

[jean-paul]

It is a tube pre chipamp that sounds good:

Hybride versterker

 

[lduarte1973]

Merci Jean Paul 🙂

 

[lduarte1973]

anyone knows if i can replace the 6n1 tubes on this amp for equivalent mullard/brimar tube ?

 

[boset]

Hi, I like replace tubes too.
I have 6N1-J (chinese tubes)

I want to try 6N1P (Russian: 6Н1П)
but i dont know which one is right one for replacemt?

 

[lduarte1973]

search ebay for : 6N1P-EV VOSKHOD , golden print with rocket drawn

 

[boset]

@lduarte1973 thanks for info,

i find someting:
6N1P-EV STRONG MATCHED PAIR VOSKHOD ROCKET NOS NIB OTK TUBES, GOLD SILVER GRID

Type: NOS Tube
Country of Manufacture: Russian Federation
Brand: VOSKHOD
Model: dual triode

STRONG MATCHED PAIR of Russian Tubes

6N1P-EV (6Н1П-ЕВ) an quality equivalent of the ECC88, 6DJ8

GOLD - SILVER GRID

Made in KALUGA city

VOSKHOD plant

came date 8906, June 1989


should i try this?

 

[lduarte1973]

Yes , i have those in that picture with the rocket, they work as any ecc88 or 6dj8 .

 

[jean-paul]

What about Telefunken E88CC ??? 😉

 

[lduarte1973]

Beware i never tryed ecc88 on that amp so better leave it or be sure they work before trying blindly

 

[lduarte1973]

What about Telefunken E88CC ??? 😉

nice but expensive , i have a pre that uses a pair of e88cc

 

[jean-paul]

Mmm so you guys just plug in another rube and see if it works without checking a schematic ? That is like throwing diesel in a petrol tank and try starting the car 😉

Any owner of the amp could draw the simple schematic of the pre circuit with the tube and measure voltages. That really would be best to determine "improvements".