[Vintage-Audio] KLH modular systems

[Duane Fischer, W8DBF]

Four woofers? The diameter of said 'woofer' being?

Maybe I am missing something, it would not be the first time! What happened 
to the tweeter and midrange speakers?

Back then there were "low" and "high" efficiency speakers. One worked with 
low wattage, such as ten to twenty and the other took fifty watts just to 
awaken the cones from sleeping! Hence, ten "true" watts of continuous RMS 
would be adequate for a pair of eight inch JBL full range speakers in a 
front ported, bass reflex, enclosure.

Keep me posted on these new speakers Bob, as I have heard of them for 
decades, but never heard them in person or read much about them.

----- Original Message ----- 
From: "Robert Nickels" <ranickel at comcast.net>
To: "Duane Fischer, W8DBF" <dfischer at usol.com>
Cc: <W9RAN at oneradio.net>; "Vintage home and professional audio equipment 
from 1975 back" <vintage-audio at mailman.qth.net>
Sent: Saturday, December 06, 2008 4:24 PM
Subject: Re: [Vintage-Audio] KLH modular systems


> Duane Fischer, W8DBF wrote:
>>
>> The Advent are power hungry and need 20 watts continuous RMS, or more, to 
>> produce acceptable audio. If you only have ten watts, it will not 
>> demonstrate the new amp or the response of the Advent speakers.
>>
> Thanks for your comments, Duane.  I agree, although I'm just guessing at 
> the power output from this amp since I haven't found any specs on it.  In 
> fact it would be just like Henry Kloss not to publish output power specs, 
> but rather to say "it's loud enough".   Some of his advertising material 
> was pretty refreshing, given the lies and stupid claims many hi-fi 
> manufacturers made in those days, "IHF music power" and all that.   I know 
> the smaller Advents would take everything my old Kenwood 20 watt per 
> channel amp would give them, and then some.
>
> I tend to believe the blurb I found that referred to 4" woofers and a 
> ported design.  That would be more efficient and in line with the power 
> level I think this unit delivered.
>
> 73, Bob W9RAN
>
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