SS_08858 Large.jpeg
SS_09024.jpeg
SS_08809 copy.jpg
SS_08821 copy Large.jpeg
SS_08858 Large.jpeg
SS_09024.jpeg
SS_08809 copy.jpg
SS_08821 copy Large.jpeg

A811b-12

from $4,900.00

Our “big” sounding two-way: the power, scale, and room-filling presence of classic Altec horns — tuned for modern home listening. On top sits an original cast-aluminum Altec 811B horn. Down low, a fast 12" woofer in a rear-portedcabinet delivers punch and body.


The goal is simple: real dynamics and effortless volume—music that feels like an event.


Sold as a pair

Options:

Our “big” sounding two-way: the power, scale, and room-filling presence of classic Altec horns — tuned for modern home listening. On top sits an original cast-aluminum Altec 811B horn. Down low, a fast 12" woofer in a rear-portedcabinet delivers punch and body.


The goal is simple: real dynamics and effortless volume—music that feels like an event.


Sold as a pair

Very Limited Production

We use original vintage Altec 811B horns—not replicas. And because there are only so many true originals left, A811B production is extremely limited and built in small batches as horns become available.

Built for

  • Medium to large rooms

  • Real music: jazz, rock, vocals, electronic, soundtracks

  • Anyone who loves Altec/JBL-style horn systems and wants true scale without needing a stadium

Why it sounds powerful and huge

  • The Altec 811B brings that unmistakable horn energy: big images, speed, presence, and air.

  • High sensitivity (≈ 98 dB) means it comes alive at low volume and stays clean when pushed.

  • >110 dB peak capability (pair, ~2 m)—when you want it loud, it’s loud and controlled.

  • Voiced for real rooms, not just perfect measurement setups.

Target in-room performance

  • Frequency response: 34 Hz – 20 kHz (±3 dB)

  • Usable bass extension: ≈ 30 Hz (room dependent)

  • Sensitivity: ≈ 98 dB @ 2.83 V / 1 m

  • Recommended listening distance: 2.5–5 m

Key Features

High Frequency

  • Horn: Original Altec 811B, cast aluminum

  • Compression driver: 1” exit, 8 Ω

  • Coverage: ≈ 90° (H) × 40° (V)

  • Crossover region: ~1.1–1.2 kHz

Low Frequency / Midbass

  • 12" woofer, 8 Ω

  • Covers bass and lower mids up to the crossover

Cabinet

  • Volume: ~80 liters per speaker

  • Material: 18–21 mm Baltic birch

  • Bracing: multi-plane internal bracing for low coloration

  • Damping: tuned (not over-stuffed) for speed and clarity

  • Port tuning: deep, controlled bass in the 34–38 Hz region

Dimensions (each speaker)

  • Width: 16" (≈ 406 mm)

  • Depth: 18" (≈ 457 mm)

  • Height: 33" (≈ 838 mm)

  • Weight: ≈ 35–40 kg (finish dependent)

Passive or Active

Passive

  • Custom 2-way crossover

  • Two voicings: Flat / Studio

  • Amp recommendation: 15–200 W/ch (tube or solid-state)

Active (recommended)

  • Built-in Hypex amplification + DSP

  • Separate amp channels for woofer and horn

  • Inputs: XLR / RCA

  • DSP: precise crossover, time alignment, Flat / Studio presets, room-tuning options

  • Simple setup: source / preamp / TV → speakers → done

Finishes

  • Standard: Walnut veneer

  • Custom veneers/finishes available on request

  • Furniture-grade hardwax oil finish

  • Grilles: optional, magnetic