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SB Acoustics SB12PAC25-4 full range?
SB Acoustics SB12PAC25-4 full range?
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Old 26th April 2014, 10:25 PM   #1
thiagomogi is offline thiagomogi  Brazil
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Default SB Acoustics SB12PAC25-4 full range?

This driver can be considered a full range?

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Old 27th April 2014, 12:33 PM   #2
larryldspkr is offline larryldspkr  Canada
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I'm using the SB12PFC25-4 full range with good results! A little light on the top octave but very nice tonal balance, no BSC required. Very well built little driver, really good value too!

Larry
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Old 4th May 2014, 04:29 PM   #3
larryldspkr is offline larryldspkr  Canada
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Default SB Acoustics full range?

This driver works great in a 6.5 ltr BR tuned to 60 hz!

Larry
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Old 16th January 2015, 08:48 PM   #4
Bill poster is offline Bill poster  Thailand
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Cant help thinking that alu driver wd be superb in a desktop pmc type TL, perhaps with the mini 8 amt. that wd make a killer compact speaker at a bargain price imo.
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Old 1st June 2015, 03:41 PM   #5
misuspita is offline misuspita  Romania
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Hello. I am thinking about a F.A.S.T Build and have noticed this driver. There seems to be very little info on the net about it except cold sterile manufacturer datasheet. Anybody used this one?

Put this in a vented box of 2.5l tuned to 70Hz shows a reasonable bass, because this would be helped by a separate sub speaker.

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I am trying to compare this with MarkAudio CHR-70A, they both seem pretty close, what do you think? Up until now I was set for the CHR, but I found this with better power handling, larger XMax (10mm p-p), and not least, better price. Which would be better in a fullrange mode? Can this driver work as a fullrange instead of the CHR or am I just misreading the specs? Thanks.

I am asking because the MarkAudio CHR seem to have a really good image around here and have read many good things about them, so I wouldn't want to trade quality for sheer sound power, but still, if they sound equally good, this might be an option.

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Old 1st June 2015, 03:56 PM   #6
xrk971 is offline xrk971  United States
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SB Acoustics SB12PAC25-4 full range?
Be careful with that 12kHz peak - as an aluminum cone driver it means this will have a significant ring in the impulse response. This will add shimmer and "air" to the music that is not naturally present. Some may like that. It will also smear sharp transient detail. The CHR70 being an aluminum cone with resonant peaks will not be free of this either.

You might want to look at similar paper cone or fiberglass cone drivers to avoid this peak.
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Old 1st June 2015, 04:03 PM   #7
sreten is offline sreten  United Kingdom
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Hi,

The SB is a great bassmid, not much of a FR,
the treble, except for the peak goes AWOL off
axis above 3KHz and it will sound that way.

4" FR's have weak off axis, 2" FR's are just too small.

A 3" genuine FR (see xrk's threads) would be
much better for a FAST than a small bassmid.

rgds, sreten.

Last edited by sreten; 1st June 2015 at 04:19 PM.
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Old 1st June 2015, 04:06 PM   #8
thiagomogi is offline thiagomogi  Brazil
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perhaps better ? SB Acoustics :: 4? SB12NRX25-8
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Old 1st June 2015, 04:19 PM   #9
misuspita is offline misuspita  Romania
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That one seems to cut drastically at 12kHz and it gets directional even faster then PAK. Well, back to CHR-70
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Old 1st June 2015, 04:41 PM   #10
thiagomogi is offline thiagomogi  Brazil
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More chr70 is real graphics? chn70 bad graphics
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