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LNGR SPKRHIFI. TWO WAYS. HANDCRAFTED.
LNGR IB-15.4FINAL

Infinite-baffle wall in the home cinema

Four GRS 15PF-8 drivers, roughly 32 m³ rear volume and a Behringer NX1000D: from the wall opening to the finished 4×15-inch array.

IDEA
SIMULATION
BUILD
MEASUREMENT
FINAL
Finished infinite-baffle wall with four vertically mounted 15-inch drivers
Finished state: four GRS 15PF-8 drivers radiate into the cinema while the adjacent cellar acts as rear volume.
StatusFINAL
Drivers4× GRS 15PF-8
Rear volume≈ 32 m³
Total load8 Ω
AmplifierBehringer NX1000D
Target rangeabout 15–18 Hz

Built and operating

LNGR IB-15.4 uses four GRS 15PF-8 drivers and the adjacent cellar as roughly 32 m³ rear volume. Mechanical construction is complete; operating impressions and measurement/DSP work are documented separately.

Understand the decisions behind the project

These learning pages explain the principles behind the documented planning. The recorded project status remains the reference for what has actually been built and measured.

Voltage and current →Verify with measurements →