GRUNDIG Audiorama 4000 Speakers 2 Way 40 Watts RMS Vintage 1972 Work Good Look

GRUNDIG Audiorama 4000 Speakers 2 Way 40 Watts RMS Vintage 1972 Work Good Look

All Original Working Perfect

Technical Specifications – Grundig Audiorama 4000

🔹 General Information

• Brand: Grundig (Made in Germany)

• Model: Audiorama 4000 (also known as Audiorama 4000 HiFi)

• Years of Manufacture: Approximately 1972 – 1975

• Type: Spherical 2-way sealed speaker

• Standard Color: Silver with aluminum tulip-style base

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🔊 Speaker Configuration

• Woofers: 2 cone speakers (approx. 13 cm each)

• Tweeters: 2 dome tweeters

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⚙️ Acoustic Performance

• Nominal Power: 25 W

• Maximum Power (Music): 40 W

• Frequency Response: 45 Hz – 26,000 Hz (some sources indicate 20,000 Hz)

• Nominal Impedance: 4 Ω

• Crossover Frequency: Approximately 2,500 Hz

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📐 Dimensions and Weight

• Dimensions (Diameter × Height × Depth): 250 × 800 × 250 mm (9.8 × 31.5 × 9.8 in)

• Weight per Unit: ~6.8 kg (~15 lbs)

• Approximate Internal Volume: 7 liters

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🛠️ Special Features

• Can be installed on an aluminum tulip-style base or suspended from the ceiling with a steel cable.

• 360-degree omnidirectional sound dispersion, ideal for uniform room coverage without the need for precise positioning.

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💶 Original Price

• Estimated launch price: approximately 399 DM per unit

Parameter

Specification

Type

2-way, sealed spherical speaker

Woofer / Tweeter

2 × 13 cm / 2 × dome

Power (Nominal / Music)

25 W / 40 W

Impedance

4 Ω

Frequency Response

45 Hz – 20–26 kHz

Crossover Frequency

~2,500 Hz

Dimensions

Ø 250 × H 800 × D 250 mm

Weight

~6.8 kg per unit

Years of Manufacture

1972 – 1975

Original Price

~399 DM per unit