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BAS Message
September 2024

Miscellaneous News

1. The BAS is looking for a new webmaster. The current webmaster will train you and hand it over to you, and provide support as necessary. The website is written in simple HTML. You will need a computer and a high speed internet connection (you will need to download a 6GB backup in a reasonable amount of time). $300 is the annual payment. You may be asked to support admin of the BAS Facebook pages as well.

2. The BAS is looking for a new president. The past president will assist in the transition. Elections will happen soon.

3.   FTC Power

In 2020 the FTC proposed eliminating the power amplifier specifications rule, requiring manufacturers to specify the bandwidth, maximum THD+N over the range from 0.25W to the maximum rated power.  This caused protest, and now the rule has been kept and strengthened, requiring less than 1% TH+N at all frequencies from 20 to 20 kHz and any power level from 0.25W to the maximum power into 8 ohms.  Before, they could specify only at 1 kHz.  This seems a little restrictive since most amplifiers have a rise in distortion at 20 kHz, yet there is little power there in music.  This will result in reduced power claims.  The rule applies to any manufacturer that chooses to specify maximum output power.

Jim Austin in Stereophile, Nov 24.

 

The Boston Audio Society
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problems? email Barry: webmaster@bostonaudiosociety.org

updated 4/14/23