PSB - Alpha B1 Speaker set
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Pair of PSB Alpha B1 bookshelf speakers (2008) in excellent physical condition, tested and working, with 18 x 29.5 x 25 cm dimensions, approx. 4–5 kg each, rear-ported bass-reflex design, 0.75" aluminium dome tweeter and 5.25" polypropylene woofer, impedance 6–8 ohms, frequency response 65 Hz–21 kHz.
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Description from the seller
Technical Specifications:
• Type: 2-way bass reflex (rear-ported)
bookshelf speaker
• Tweeter: 0.75” (19 mm) aluminium dome,
ferrofluid cooled
• Woofer: 5.25” (133 mm) polypropylene
cone
• Crossover Frequency: 3,000 Hz 
Performance:
• Frequency Response: 65 Hz – 21 kHz (±3
dB) 
• Low Frequency Extension: ~55 Hz (-10
dB) 
• Sensitivity: 89 dB (2.83V/1m) 
• Impedance: 6–8 ohms nominal (min. ~4
ohms) 
Power Handling:
• Recommended Amplifier Power: 10–90W
• Program Power: approx. 60 W 
Cabinet & Build:
• Enclosure Type: Bass reflex with rear
port
• Internal Volume: ~8 liters 
Dimensions & Weight:
• Size (W x H x D): 18 x 29.5 x 25 cm
• Weight: approx. 4–5 kg per speaker
A well-regarded pair of PSB Alpha B1 bookshelf speakers, known for their natural, balanced sound and impressive performance for their size. Designed in Canada, these speakers have received multiple positive reviews for their accurate tonal balance and musical presentation.
This pair is in very good condition and fully functional. They deliver clear highs, a smooth midrange, and surprisingly tight bass for a compact speaker.
Technical Specifications:
• Type: 2-way bass reflex (rear-ported)
bookshelf speaker
• Tweeter: 0.75” (19 mm) aluminium dome,
ferrofluid cooled
• Woofer: 5.25” (133 mm) polypropylene
cone
• Crossover Frequency: 3,000 Hz 
Performance:
• Frequency Response: 65 Hz – 21 kHz (±3
dB) 
• Low Frequency Extension: ~55 Hz (-10
dB) 
• Sensitivity: 89 dB (2.83V/1m) 
• Impedance: 6–8 ohms nominal (min. ~4
ohms) 
Power Handling:
• Recommended Amplifier Power: 10–90W
• Program Power: approx. 60 W 
Cabinet & Build:
• Enclosure Type: Bass reflex with rear
port
• Internal Volume: ~8 liters 
Dimensions & Weight:
• Size (W x H x D): 18 x 29.5 x 25 cm
• Weight: approx. 4–5 kg per speaker
A well-regarded pair of PSB Alpha B1 bookshelf speakers, known for their natural, balanced sound and impressive performance for their size. Designed in Canada, these speakers have received multiple positive reviews for their accurate tonal balance and musical presentation.
This pair is in very good condition and fully functional. They deliver clear highs, a smooth midrange, and surprisingly tight bass for a compact speaker.
Details
Era
After 2000
Brand
PSB
Model
Alpha B1
Multiple models
No
Physical condition
Excellent
Number of objects
2
Includes
No extra's
Serial number
04240_939181 / 04240_939182
Year of manufacturing
2008
Weight
5 g
Functional condition
Tested and working/playable
Height
29.5 cm
Width
18 cm
Depth
25.4 cm
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