Hilgen Basso Profundo 2502 speaker impedance

General discussion area for tube amps.

Moderators: pompeiisneaks, Colossal

Post Reply
geek emeritus
Posts: 2
Joined: Tue Mar 15, 2022 6:15 pm

Hilgen Basso Profundo 2502 speaker impedance

Post by geek emeritus »

I am reviving a Hilgen Basso Profundo 2502 . I need to know the speaker impedance to get the correct Eminence Legend driver. Does anyone have that info?
Stevem
Posts: 5144
Joined: Fri Jan 24, 2014 3:01 pm
Location: 1/3rd the way out one of the arms of the Milkyway.

Re: Hilgen Basso Profundo 2502 speaker impedance

Post by Stevem »

What output tubes and how many does the amp use?
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!

Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
Stevem
Posts: 5144
Joined: Fri Jan 24, 2014 3:01 pm
Location: 1/3rd the way out one of the arms of the Milkyway.

Re: Hilgen Basso Profundo 2502 speaker impedance

Post by Stevem »

The schematic I just found calls for a 8 ohm speaker.
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!

Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
geek emeritus
Posts: 2
Joined: Tue Mar 15, 2022 6:15 pm

Re: Hilgen Basso Profundo 2502 speaker impedance

Post by geek emeritus »

What output tubes and how many does the amp use?
2 7591s, push-pull
The schematic I just found calls for a 8 ohm speaker.
close inspection of the schematic at Hilgenamplifiers.net shows just that. I was looking at the Basso Profundo 2501 schematic, which is easier on antique eyes thank you..
Post Reply