Peavey SP 4BX 3-Way Passive PA Speaker Cabinet
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Big speakers with a big sound.
The Peavey SP series loudspeakers have been a mainstay of journeyman sound reinforcement for three decades, and the SP 4BX is the latest incarnation of this ever-improving legacy. It has dual 15” woofers that are each voiced differently thanks to an efficient crossover that directs low frequencies to both woofers while limiting midrange frequencies to only the top woofer.
Engineered for optimal sound reproduction with proven reliability, Peavey SP enclosures feature patented asymmetrical Quadratic Throat Waveguide technology that helps deliver pristine, precise sound; Black Widow® loudspeakers with Kevlar-impregnated cones, 4" ribbon-wire voice coils and exclusive field-replaceable baskets; the patented Radialinear Planar Phase Correction System; and titanium compression drivers with ferrofluid cooling.
Ideal for medium-sized clubs and even outdoor performances, these enclosures can go up against a loud drummer, two guitars and a bass player on a big rig with ease. Reasonably lightweight, loud and clear, they are an excellent solution for today’s gigging bands.
Features
- Quasi-three-way, full-range, bi-ampable sound reinforcement system
- 2000 watts program, 4000 watts peak
- Patented Asymmetrical Quadratic Throat Waveguide™ technology
- Patented Radialinear Planar Phase Correction System
- Sound Guard™ III tweeter protection
- Two 15 inch BWX Black Widow® 4 inch voice coil woofers
- Sensitivity: 100 dB (1W/1m) anechoic
- Full-range inputs include a Neutrik® Speakon® 4 pin jack and two 1/4 inch phone jacks
- Bi-amp capability via internal wiring jumper
- Trapezoidal enclosure
- HammerHead® durable covering material
- RX™ 22 compression driver with ferrofluid cooling
- Frequency Response: 52 Hz to 17 kHz (+/- 3 dB)
Order today and cover a a lot of ground indoors or outdoors, playing any style of music.
SP 4BX 3-Way Passive PA Speaker Cabinet Specifications:
- Frequency response, 1 meter on-axis, swept-sine in anechoic environment:
- 52 Hz to 17 kHz (±3 dB)
- Usable low frequency limit (-10 dB point):
- 45 Hz
- Power handling:
- Full range: 1,000 watts continuous 2,000 watts program 4,000 watts peak
- Low frequency section: 1,000 watts continuous 2,000 watts program 4,000 watts peak
- High frequency section: 60 watts continuous 120 watts program 240 watts peak
- Sound pressure level, 1 watt, 1 meter in anechoic environment:
- Full range: 100.0 dB SPL (2.83 V input)
- Low frequency section: 101 dB SPL (2.83 V input)
- Mid/high frequency section: 107 dB SPL (2.83 V input)
- Maximum sound pressure level (1 meter):
- Full range: 130 dB SPL continuous 136 dB SPL peak
- Low frequency section: 131 dB SPL continuous 137 dB SPL peak
- Passive mid/high frequency section: 129 dB SPL continuous 135 dB SPL peak
- Radiation angle measured at -6 dB point of polar response:
- 90° horizontal by 40° vertical; the vertical main polar lobe is angled down 10° with respect to straight ahead being +10, -30°
- Transducer complement:
- Low frequency section: 2 x 15" woofer, vented Black Widow® 1508-8 HE SF
- High frequency section: 1 x .875" exit /51 mm voice coil RXTM 22 compression driver on an asymmetrical Quadratic Throat CD horn
- Box tuning frequency:
- Low frequency section: 58 Hz
- Crossover frequency (internal passive):
- Low frequency – high frequency 1,800 Hz
- Recommended Active Crossover Frequency Region and Slope:
- Low Frequency – High Frequency: 1,800 Hz at 12 dB/octave
- Time Offset:
- Low frequency: 0.0 ms Mid/high frequency: 0.48 ms
- Impedance (Z):
- Full range: Nominal: 4.0 Ω Minimum: 3.4 Ω
- Low frequency: Nominal: 4.0 Ω Minimum: 3.2 Ω
- Passive HF: Nominal: 8.0 Ω Minimum: 5.4 Ω
- Input connections:
- Full range: two 1/4" phone jacks, one four-pin twist lock connector & bi-amp capability provided via an internal wiring jumper
- Enclosure materials and finish:
- Hardwood panel coated with Peavey’s heavy-duty HammerHeadTM finish. Casters are incorporated for portability.
- Mounting provisions:
- This unit is not designed for overhead suspension; Four large rubber feet on bottom for floor use.
- Dimensions (H x W x D):
- Front: 49.875” x 20.5” x 24.31” 1266.83 mm x 520.7 mm x 617.55 mm
- Rear: 49.875” x 12.75” x 24.31” 1266.83 x 323.85 mm x 617.55 mm
- Net weight:
- 130.5lbs. (59.2kg)
Review Snapshot®
by PowerReviews(based on 1 review)
Ratings Distribution
Reviews
Reviewed by 1 customer
Displaying review 1
Pros
- Clear Sound
- Durable
- Lightweight
Cons
- Needs special crossover
Best Uses
- Events
- Mobile DJ
- Performances
Comments about Peavey SP 4BX 3-Way Passive PA Speaker Cabinet:
I purchased the classic Peavey SP-4s back in the early '90s & have them working along with a set of bass bins. They took a breating while I performed 6 nights a week over 20+ years. Recently I felt it was time to upgrade to these SP4Bx's because of the lighter weight, improved features, and especially the new outer coating.
My mistake was figuring these were plug-in and go. Not so. My old crossover did not work with these speakers, I was informed by Peavey support that I specifically needed the new & expensive VSX26 crossover for these to work...another $$ not expected. Then, it is a case of having too many options where not needed. Rather than plug-in and go (again), the extremely hard to use crossover lead to another call with Peavey support. Neither the manual nor their efforts really helped get things working. You have to dicker with programming the horn and mids individually. After 3 weeks of owning these speakers I have yet to simply have my band perform through them and am still struggling with trying to understand programming the crossover. Also, the crossover meant purchasing new cables.
My simple speaker purchase proved to be much more expense than I expected, and am disappointed at additional equipment needed, a fact that was not specified by this site, nor Peavey that you will need to operate them.
Not a simple setup my fellow musicians. If you want to use these for small DJ or PA usage, you can bypass the crossover issue and they sound great. For live band application, be prepared for several frustrating hours with the crossover you will have to purchase to get these speakers operating properly. Bottom line, not impressed...but they will surely rock when this is all figured out.
Displaying review 1
