• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

An intriguing 300B SE-direct-coupled-amplifier

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Jump to Latest
Antonio Tucci

Antonio Tucci

Member
Joined 2002
We have finally finished our HiFi system.
It consists of a 300B SE direct-coupled (two stage) amplifier + a couple of dipole speakers (with integrated ripole subwoofer).

It is simply fantastic ... as well as the authors of it (16 children of 10-13 years old).

Associazione Agorà Lesina (FG) - Italy



We thank very much all those that helped us in this adventure. Specifically:

BOYLE DENNIS USA
CATTANEO REMO Swiss
COLELLA MICHELE Italy (Lesina)
D’ANTUONI RAFFAELE Italia (Lesina)
DOUMA DOEDE Germany
DODERO MILENA Japan
EPSTEIN JEREMY USA
ESPOSTO LINO Italy (Senigallia)
FINKE RUDOLF Germany
GIOVANNI RIALTI Italy (Firenze)
GRUFF DOMENICO Germany
HORNEMAN BAS Holland :)-))
LOESCH THORSTEN England
MUELLER ULRICH Germany
NOVARRIA SANTE Italy (Torino)
PANUNZIO NAZARIO Italy (Lesina)
POLISOIS ARI France
RIDTAHLER AXEL Germany
RINTELEN CHRISTIAN Swiss (the best !)
SANTINI NICOLA Italy (C. di Lama)
SBARBATI RAIMONDO Italy (Passo Ripe)
TENT GUIDO Holland
ZEPPILLI MAURO Italy (Aprilia)
 

Attachments

  • ampli.jpg
    ampli.jpg
    87.7 KB · Views: 1,541
Antonio Tucci

Antonio Tucci

Member
Joined 2002
...and these are the big/little authors...

AURELIO CIRO (11 yrs)
COLELLA PRIMIANO (11 yrs)
D’ADDETTA TEO (12 yrs)
D’APOTE ORIANA (12 yrs)
DENTALE LUCIA (11 yrs)
DI LELLA GIUSEPPE (13 yrs)
DI NAUTA ANTONIO (13 yrs)
FERRANDINO DINO (11 yrs)
FRANCHI SILVIO (12 yrs)
MASELLI FELICIA (13 yrs)
PANUNZIO IVANA (13 yrs)
PEDICILLO FRANCESCA (10 yrs)
PEZZICOLI GAETANO (12 yrs)
PEZZICOLI SAVERIO (9 yrs)
SANTUCCI SALVATORE (12 yrs)
TUCCI FRANCECO (11 yrs)
 

Attachments

  • lezione.jpg
    lezione.jpg
    71.6 KB · Views: 777
Antonio Tucci

Antonio Tucci

Member
Joined 2002
...the end (I hope we have not annoyed you).

By by from Italy (Lesina- FG) ... and many many many thanks to all our sponsor and supporters (in particular for their patience).

Antonio Tucci and the fantastic children Agorà


P.S.

Some measurements: -3dB at 5 Hz and 81.000 Hz (!!!).
 

Attachments

  • schematic.jpg
    schematic.jpg
    99.1 KB · Views: 1,140
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Top Bottom