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Front Stage Fundamentals by Steven Kephart

Last post by GlassWolf « Mon Sep 19, 2005 8:51 am
Replies: 1
by GlassWolf » Sat Sep 17, 2005 2:39 pm

There has been a lot of discussion lately about front speakers and trying to get the best sound. Sometimes this discussion moves into really advanced...

1 Replies

2573 Views

Last post by GlassWolf
Mon Sep 19, 2005 8:51 am
Thiele-Small terms defined (T/S specs)

Last post by GlassWolf « Sun Aug 14, 2005 1:41 pm

by GlassWolf » Sun Aug 14, 2005 1:41 pm

Thiele-Small Parameters

B
Magnetic flux density in gap, in Tesla-meters (TM)

BL
The magnetic strength of the motor structure.

BL Curve
A...

0 Replies

2802 Views

Last post by GlassWolf
Sun Aug 14, 2005 1:41 pm
Signal to Noise ratio (S/N or SNR)

Last post by GlassWolf « Sun Aug 14, 2005 1:14 pm

by GlassWolf » Sun Aug 14, 2005 1:14 pm

Reference links:

signal-to-noise ratio (SNR):
The ratio of the amplitude of the desired signal to the amplitude of noise signals at a given...

0 Replies

1775 Views

Last post by GlassWolf
Sun Aug 14, 2005 1:14 pm
Slew rate

Last post by GlassWolf « Sun Aug 14, 2005 1:05 pm

by GlassWolf » Sun Aug 14, 2005 1:05 pm

Slew Rate:

This is a term used to describe how quickly the output of an amplifier can track its input. Slew Rate is usually measured in V / usec....

0 Replies

1587 Views

Last post by GlassWolf
Sun Aug 14, 2005 1:05 pm
Speaker sensitivity and efficiency

Last post by GlassWolf « Sun Aug 14, 2005 1:01 pm

by GlassWolf » Sun Aug 14, 2005 1:01 pm

Speaker sensitivity

Speaker sensitivity is a specification provided by all manufacturers of high-quality speakers. The sensitivity rating has no...

0 Replies

2106 Views

Last post by GlassWolf
Sun Aug 14, 2005 1:01 pm
Total Harmonic Distortion (THD)

Last post by GlassWolf « Sun Aug 14, 2005 12:59 pm

by GlassWolf » Sun Aug 14, 2005 12:59 pm

Back in the old days (1982) It was FTC mandated for the manufacturer to provide a comprehensive single criteria power specification. However, with...

0 Replies

2369 Views

Last post by GlassWolf
Sun Aug 14, 2005 12:59 pm
Damping Factor

Last post by GlassWolf « Sun Aug 14, 2005 12:57 pm

by GlassWolf » Sun Aug 14, 2005 12:57 pm

Amplifier Damping Factor

Damping factor is rarely published with low to medium grade amplifiers but it is almost always published with high end...

0 Replies

2089 Views

Last post by GlassWolf
Sun Aug 14, 2005 12:57 pm
Why do I get more bass with my windows down?

Last post by GlassWolf « Thu Aug 11, 2005 5:16 pm

by GlassWolf » Thu Aug 11, 2005 5:16 pm

This is a question often asked, and even more often wondered by people with high output systems in many types of cars and trucks.
The answer is a...

0 Replies

2444 Views

Last post by GlassWolf
Thu Aug 11, 2005 5:16 pm
Speaker "Power Handling" ratings. What they really mean!

Last post by GlassWolf « Thu Aug 11, 2005 5:06 pm

by GlassWolf » Thu Aug 11, 2005 5:06 pm

So you've seen speakers that say 1600 watts and you think to yourself, where am I going to get an amplifier and the charging system to feed it for a...

0 Replies

2479 Views

Last post by GlassWolf
Thu Aug 11, 2005 5:06 pm
Speaker Impedance

Last post by GlassWolf « Tue Mar 08, 2005 7:12 pm

by GlassWolf » Tue Mar 08, 2005 7:12 pm

The following things have effect on speaker impedance:
Voice coil's electrical impedance (resistance, inductance, stray capacitance)
Driver's...

0 Replies

2389 Views

Last post by GlassWolf
Tue Mar 08, 2005 7:12 pm
Subwoofers- Sizes, Xmax and Displacement

Last post by Ryan from Ohio « Wed Mar 02, 2005 9:19 am

by Ryan from Ohio » Wed Mar 02, 2005 9:19 am

Ever been asked what will be louder?

4- 12 Brand Z subwoofers or 10- 8 Brand D subwoofers?

Well thats take that question and reword it properly:...

0 Replies

2940 Views

Last post by Ryan from Ohio
Wed Mar 02, 2005 9:19 am
Audio Power Amplifier Fundamentals

Last post by GlassWolf « Fri Dec 31, 2004 12:07 pm

by GlassWolf » Fri Dec 31, 2004 12:07 pm

Audio Power Amplifier Fundamentals Introduction

The term amplifier is very generic. In general, the purpose of an amplifier is to take an input...

0 Replies

3684 Views

Last post by GlassWolf
Fri Dec 31, 2004 12:07 pm
Audio Power Amplifier Fundamentals continued

Last post by GlassWolf « Fri Dec 31, 2004 11:32 am

by GlassWolf » Fri Dec 31, 2004 11:32 am

Damping Factor... What is this?

The Damping Factor of an amplifier in general refers to the ratio of the amplifier's output load impedance (the...

0 Replies

2361 Views

Last post by GlassWolf
Fri Dec 31, 2004 11:32 am
Amplifier Classes Defined

Last post by GlassWolf « Fri Dec 31, 2004 11:21 am

by GlassWolf » Fri Dec 31, 2004 11:21 am

There are several amplifier designs: Class A, A/B, B, D, T, G, H, and Tube amplifiers. All of these but tube amplifiers are considered solid-state....

0 Replies

2010 Views

Last post by GlassWolf
Fri Dec 31, 2004 11:21 am
Horn-Loaded Compression Drivers (Wave Guides)

Last post by GlassWolf « Wed Nov 17, 2004 7:16 pm

by GlassWolf » Wed Nov 17, 2004 7:16 pm

Horn Loaded Compression Drivers
author- Audionutz

HLCDs, or horn-loaded compression drivers , are a type of high-end car audio speaker design...

0 Replies

3684 Views

Last post by GlassWolf
Wed Nov 17, 2004 7:16 pm

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