[Elecraft] Elecraft SP3 External Speaker details

[Wayne Burdick]

Hi Bob,

Here's an expanded list of specs on the SP3:

  Weight:  4 lb, 8.4 oz ( 2.5 kg)

  Speaker Size:  3” x 5” (77 x 127 mm)

  Speaker Impedance:  4 ohms   (note: the K3's internal speaker is also 4 ohms)

  Magnet Type:  Neodymium

  Power Handling Capability:  15 W

  Frequency Response:  100-20,000 Hz

  Sensitivity:  90 dB SPL

I will post a link to the frequency response curve shortly.

Wayne
N6KR



On Sep 16, 2015, at 9:36 AM, Bob <K2TK at ptd.net> wrote:

> I've made no decision yet on the purchase.
> 
> However I note with interest that the email title says "Speaker details".  But this thread has had none other than Wayne's statement of SPL.   I'm curious as to the response curve.  Is it flat or Communications?   I'd be looking for flat as in my opinion the K3 should deliver the desired response  and the SP3's job is to just make a faithful reproduction of it
> 
> More technical "details" are needed
> 
> 73,
> Bob
> K2TK  ex KN2TKR (1956) & K2TKR