Type 44 Speaker

John Lagnese jlagnese at massed.net
Thu Nov 12 19:47:21 PST 2009

True about the 1.5 v battery. I don't know if I would try 9V

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Huw Powell
Sent: Thursday, November 12, 2009 10:30 PM
To: Mark Rosenkrantz
Cc: Quattro List
Subject: Re: Type 44 Speaker

Mark Rosenkrantz wrote:
> The 9V speaker popping trick (for polarity checking, for example) is great
> on subwoofers... but can damage tweeters, right Huw?

9v might be a little hard on tweeters, yes.  I use 3v on my rebuilds. 
1.5v is fine, all you have to see is whether the cone/dome moves in or out.

What were we talking about, again?

Huw Powell


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