STONES SOUND STUDIO    

 ARTISAN      Speaker  Crossover  and Enclosure  Design

 
Super  High Definition  Speakers
   260

   
 


    

                                                               RIBBON SPEAKERS   and  SPEAKER  KIT

                                                                      260  R260C  270  series   V23

                                                       SPECIFICATIONS                           Issue2             23/10/07

Frequency Range  
(on axis)

44Hz-40kHz _ 260 260C             Book shelf

42Hz-40kHz_270                         Floor standing

Efficiency

92.5dB SPL    @ 1m   2.83V rms                   @ 22degs C  averaged

Nominal Impedance

4 ohms

Recommended amplifier power
Home Theatre Receiver
Stereo   and  Valve


5 to 120 W                       Unclipped program material
5 to 120 W                       Unclipped program material                        

Harmonic Distortion  THD

+- 0.3%                          @ 1watt 2.83Vrms          1Khz

Relative Phase Coherence

<30  degs   400Hz  to 10Khz

Crossover

 

 

(No Soldering required )

 

   

Printed Circuit Board : Fully finished includes all components, Velcro mounting tabs & wiring

Wiring cable : Internal speaker cable high quality OFC 384 strand with push on connections

Speaker terminals : 4mm twin gold plated binding post

Filter : 2 way  off set  Bessel / Butterworth ,  linear phase

Freq : 3.8Khz
Order : 2nd Lp, 3rd Hp

Components: High quality, Copper Air core inductors ,SCR 400V metalized MKP capacitors

Non Inductive resistors

Bi-wiring : Option provided

Drivers
Bass
Tweeter

   


2x Peerless 
832873           Woofer   5"  Nomex
1x Fountek  Jp3.0                Ribbon   3"   ( 65mm)

Input Terminals

   

Gold plated 2way

Cabinet

   

High quality  enclosure supplied fully finished with, pre drilled screw holes,  port, speaker mounting holes, grill panel , acoustic felt lined ,mounting screws

Features : Low resonant chamber ,36mm thick front baffle , hardwood bracing ribs ,rounded edge speaker hole, rear port , low loss acoustic grill material, felt  cup for tweeter magnet ,  

Cabinet Finishes

 260 260c
Manufactured Pro Finish Box
MDF Raw timber,  Black wood grain Vinyl
 270 DIY  you own enclosure from Stones Plans

 

Size
Height
Width
Depth

2690 260C
556 mm
180 mm
365 mm
270 Floor standing
820mm

 

 

Mass

15 kg ea