Pylon Sapphire 31 upgrade

Manufacturer data:

Impedancja8 Ohm
Pasmo przenoszenia32 Hz – 20k Hz
Moc nominalna140 W
Moc maksymalna200 W
Efektywność88 dB
Wymiary [W x H x D]240 x 1000 x 300 mm
Waga23,5 kg / sztuka
Głośnik niskotonowyPylon Audio PSW 20-120.8
Głośnik średniotonowyPylon Audio PSW 13-80.8
Głośnik wysokotonowyPylon Audio PST T-120.6 (Seas 27TDC)

Drivers in the speakers:

Seas prestige 27TDC

VISATON W130S

VISATON W200S

Upgrade – Step 1: Dampening of the cabinet

Cabinets were damped with bitumen mats and high quality wool.

Results:

  • Lower resonance of bass driver
  • Lower resonance of bass reflex
  • Lower resonance of the driver at 200Hz
  • Lower distortion in the bass area

Impedance

Red – NOT damped

Black – damped

Zoom in:

Upgrade – Step 2: Xovr modifcation

This is a measured SPL response. Midrange seems to be missing some 2-3dB.

Next improvements coming soon