A2612

Acoustic Planning
$3.5

System Design

A method of testing a car for staging is presented. This article changed the way competition SQ systems are designed. Photos are included.

A2494

Polarity Reversal
$2.5 Reduced from $3.5. You save $1.00!!

System Design  - Localization

Some car systems reverse the polarity of the mid range driver. This article explains the effect and what is really going on with many charts and graphs included.

A2403

Current And Efficiency
$2.5 Reduced from $3.5. You save $1.00!!

System Design - Alternators

Considering a high output alternator? This article explains how they work and when to upgrade. Energy time curves in the program material and amplifier efficiency are discussed. Many charts are presented.

A2542

Regulated Power Supplies
$2.5 Reduced from $3.5. You save $1.00!!

System Design – Isolated and Regulated Supplies

The differences between regulated and non-regulated power supplies are discussed. Isolation is important. Phantom power is mentioned and the conversion of pro-audio components to 12-volt use is discussed.

A2495

Power Wiring
$2.5 Reduced from $3.5. You save $1.00!!

System Design - Power Wiring

How to wire a competition or demo system. Chassis grounding and power wiring techniques are presented. Stiffening Capacitors, power blocks, circuit breakers and common buss lines are discussed.

A2498

Raising the Image
$2.5 Reduced from $3.5. You save $1.00!!

System Design – Psycho-acoustics

Many car audio systems exhibit low sound stages that could be improved if raised to at least the level of the top of the dash. The merits of adding passive crossover elements are covered.