Production years: 1964 -1967 “blackface” circuits AA165, AB668 1968 -1982 “silverface” circuits AA1069, AA1009, AA270 Tube layout AA165 Tube layout … More
Category: Gears
How to Wire an Unbalanced Microphone To A Balanced XLR Input
Sometimes it is necessary to wire unbalanced consumer microphones to a balanced professional input. This article describes how to connect … More
Décibels
Les décibels sont l’unité par excellence dans le monde l’audio. Celle- ci permet d’exprimer le rapport entre deux grandeurs, entre … More
DI Box – Boîtiers d’ injection directe
Lors d’un concert, il n’est pas rare de devoir relier une guitare, un synthé, un sampler,… dont la sortie est … More
Amplificateurs de puissance et enceintes acoustiques (calcul d’impédance)
En sonorisation, il est extrêmement courant de devoir relier plusieurs enceintes à un seul et même ampli. Intervient alors une … More
Did you say Guitar?
Here are guitars and then there are guitars; if you thought Pat Metheny’s 42-stringed Picasso was unusual, then you would be … More
Grant Green’s D’Aquisto New Yorker
This guitar was handmade for the very famous Grant Green in 1972. As Rudy Pensa tells the story, Grant Green’s … More
Speaker dimensioning
How to determine your speaker configuration, based on the Sound Pressure Level ( SPL) you want and the dimensions of … More
AI ten2 S4 Plus specifications & manual
The Basics The Series 4plus product line consists of a two channel amp head and three speaker cabinets. The head … More
Ewenbass & Acoustic Image amps
A very sincere thanks to Erwan Le Roux, from Ewenbass, his recommendations leads me to acquire this incredible Acoustic Image, … More
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