Tuesday, February 6, 2024

Buildind a alnico speaker amp cabinet

It is a new super nice project, a 12 inch guitar amplifier cabinet using a alnico speaker (Ted Webber). 

Amazing clear and musical sound...

Tip: I always use a lot of white glue and some screws on the wood junctions.

Here the pictures:

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet

Alnico Cabinet



Friday, November 4, 2022

Building a 5W tube amp Fender Champ AA764 model copy

 It is a fender AA764 (silver face) copy, with some mods: 


- Solid state rectifier (FRED diodes)
- Standby switch
- NFB pot and switch
- Two Fat switches
- One Bright and treble tone cap switch
- Master Volume
- Coupling cap value 6x switch (before the master vol pot)
- 6V6 Tung-Sol and 12AX7 Tung-Sol
- Orange drop capacitors
- EL84 paralell tube socket option (not tested). * Using one or another (6V6 or EL84)
- Presence switchable control
- Mid control
- TMB turn-off switch
- GB128 speaker

** AA764 is a 5F1 with TMB tone control and a little diferent NFB.



champ - aa764


Pictures:


champ - AA764

champ - AA764

champ - AA764

champ - AA764

champ - AA764

champ - AA764

champ - AA764

champ - AA764


champ - AA764

champ - AA764

champ - AA764

champ - AA764

champ - AA764





Optional EL84 socket:


EL84 vs 6V6






Sunday, December 5, 2021

Rhythmic values of notes

 

An attempt to understand and visualize rhythm notation...  

musical notation

musical notation
musical notation

 

* M -> Metronome click