NRPavs   SOLD items 2011 archive 2  AR  78LS front speakers  details
SOLD items 2011 archive 2 product details : 
AR  78LS
front  speakers
Acoustic Research  AR78LS  tower  front  speakers
AR78LS  speakers  :  new  replica grilles
AR78LS  front speakers  :    left profile
AR78LS  tower front speakers  :  backs  view
AR78LS  front speakers  :  replica frames,  near original cloth colour
AR78LS  speakers  :  unique  dual  dome  assembly
AR78LS  front speakers  :  upward  view
AR78LS  speakers  :  size  scale
   SOLD  July 2011 on trademe  to Waiuku, Franklin
S/Ns: B 002025 / ?
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Acoustic  Research  AR 78LS  front speakers  - walnut :
   Tower format 3-way speakers by famous USA manufacturer, Acoustic Research AR
   The AR78LS woofers have been recently refoamed
   Tweeter and midrange drivers share their magnet for uniform vertical dispersion with rectangular mid and tweeter surround plate
   The crossover wiring and tweeter capacitors have been updated
   Cabinets have been improved
   For convenience in transport,  this AR78LS pair also come with their original packing boxes

Specifications :
  -:®:-   System : Acoustic suspension 3-way, 3 driver vertical array
  -:®:-   Drivers : 300mm [12"] woofer , 38mm [1.5"] dome midrange, 19mm [3/4"] dome tweeter
  -:®:-   Efficiency : 87dB @ 1W / 1m
  -:®:-   Nominal impedance : 4 ohms [ with 3.6 ohm minimum ]
  -:®:-   Power rating : 15W - 200W
  -:®:-   Frequency response : 39Hz - 32kHz
  -:®:-   Low frequency response [-3dB] : 39Hz,  with Q = 0.55
  -:®:-   Crossover frequencies : 700Hz,   5000Hz
  -:®:-   Cosmetic : light walnut with purple brown acoustic cloth
  -:®:-   Dimensions [ H x W x D ]: 680 x 381 x 297mm
  -:®:-   Weight : 23.6kg each, ~ packed 26kg each - at limit weight

Restoration complete :
   Cabinets have been sanded and finished with teak oil   Crossover wiring upgraded with MIT cable, tweeter capacitor replaced
   Dustcap reverted
   Sound quality is full range,  with excellent vocal and mid to upper frequency character from the combined midrange / tweeter drivers
   Grille frames constructed to replicate the original profile,   and covered with close to original cloth colour

   SOLD  July 2011 on trademe  to Franklin


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