IB1S
PMC Plus commercialisé

IB1S

Three-way studio monitor with a 10-inch carbon fibre/Nomex piston bass driver, fabric mid and high domes and Advanced Transmission Line loading. Used in mastering, broadcast and film scoring or post-production, in stereo or surround.

  • 3-way passive monitor with ATL bass loading
  • 250 mm carbon fibre/Nomex piston bass driver
  • 75 mm fabric mid and 27 mm fabric soft dome HF
  • Film filters: flat, 1.5 dB or 3 dB per octave HF roll-off
  • Tri-wire or tri-amp input via 3 pairs of 4 mm sockets
  • Frequency response 25 Hz to 25 kHz
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Description

The IB1S is a passive three-way monitor built around PMC's Advanced Transmission Line (ATL) bass loading. A 250 mm flat piston woofer made of carbon fibre and Nomex handles the low end, while a 75 mm doped fabric mid-range unit and a 27 mm fabric soft dome tweeter cover the rest of the range. The crossover points are 380 Hz and 3.8 kHz.

Film filters give two positions of high-frequency roll-off, 1.5 dB and 3 dB per octave, plus a flat setting. This option is part of the reason the model is used in film scoring and post-production. It can be set up in stereo or surround alongside its dedicated centre channel and the SB100 sub bass system.

The speaker connects through three pairs of 4 mm sockets, which allow tri-wire or tri-amp operation. It has a 4 ohm nominal impedance and 89 dB sensitivity, and the recommended amplifier power is 120 to 500 W. Each cabinet weighs 36 kg.

Vidéo

Spécifications

Marque
PMC
Modèle
IB1S
Catégorie
Studio › Enceintes de monitoring

Audio

Design
3-way, Advanced Transmission Line (ATL)
Frequency response
25Hz-25kHz
Sensitivity
89dB 1W 1m
Impedance
4 Ohm nominal
Recommended amp power
120 - 500W
Effective ATL length
2.4m 8ft
Crossover frequency
380Hz & 3.8kHz
HF film filters
Flat, 1.5dB or 3dB per Oct roll off

Drivers

LF
250mm PMC Carbon Fibre/Nomex piston driver
MF
75mm doped fabric
HF
27mm fabric soft dome

Connectivity

Input connectors
3 Pairs 4mm Sockets (Tri-wire or Tri-Amp)

Physical

Height
740mm 29.1"
Width
330mm 13.0"
Depth
465mm 18.3"
Weight
36kg 79.2lbs

Warranty

Extended warranty
20 years when registered within 10 days of purchase

Données : pmc-speakers.com; photos : PMC product page · mis à jour le 2026-10-13 · Une erreur ? Écris-nous