Alpha P5 - Pregnant PSB - Free user manual and instructions
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| Product Type | Bookshelf Speaker |
| Dimensions (H x W x D) | 21.6 cm x 14.0 cm x 19.1 cm (8.5 in x 5.5 in x 7.5 in) |
| Weight | 5.0 kg (11.0 lb) each |
| Power Handling | 10 – 80 W RMS |
| Impedance | 8 ohms |
| Sensitivity | 87 dB (1 W / 1 m) |
| Frequency Response | 55 Hz – 21 kHz (±3 dB) |
| Crossover Frequency | 2.5 kHz |
| Drivers | 5.25 in (133 mm) polypropylene woofer, 1 in (25 mm) titanium dome tweeter |
| Enclosure Type | Bass reflex with rear port |
| Grille | Magnetic, removable |
| Terminals | Gold-plated binding posts, bi-wire / bi-amp capable |
| Finishes | Black Ash, Cherry, White |
| Included Accessories | User manual, warranty card, adhesive rubber feet |
| Recommended Amplifier Power | 15 – 100 W RMS per channel |
| Warranty | 5 years limited |
Frequently Asked Questions - Alpha P5 PSB
What is the best placement for the Alpha P5 speakers?
Place the speakers on sturdy stands or shelves at ear level, at least 20 cm (8 in) from the rear wall to allow the bass reflex port to operate correctly. Avoid corners to prevent boomy bass.
Can I use these speakers with a low-power amplifier?
Yes, the Alpha P5 has a sensitivity of 87 dB and an 8-ohm impedance, making them compatible with amplifiers from 10 to 100 W RMS. Ensure the amplifier can drive 8-ohm loads.
How do I clean the speakers?
Use a soft, dry cloth to wipe the cabinet. Do not use any solvents or abrasive cleaners. The grille can be removed and gently vacuumed or dusted with a soft brush.
Is the grille removable?
Yes, the grille is held by magnets and can be easily removed for a more open sound or for cleaning. Handle the grille carefully to avoid damaging the fabric.
What type of amplifier connection should I use?
Connect your amplifier to the binding posts using high-quality speaker wire. The posts accept banana plugs, spade connectors, or bare wire (up to 10 AWG). For bi-wiring, remove the jumper straps.
What is the warranty period for the Alpha P5?
The Alpha P5 comes with a 5-year limited warranty from the date of purchase. Coverage includes defects in materials and workmanship. Proof of purchase is required.
Can I place these speakers on a shelf inside a closed cabinet?
It is not recommended because the rear port needs free space to produce accurate bass. If you must place them in a cabinet, leave the front open and at least 10 cm (4 in) behind the speaker.
What is the recommended power handling for these speakers?
The Alpha P5 can handle 10 – 80 W RMS continuously. Use an amplifier rated between 15 and 100 W per channel for optimal performance without risking damage.
Are the drivers replaceable?
Yes, the woofer and tweeter are designed to be user-replaceable. Contact PSB customer support or an authorized service center for genuine replacement parts and instructions.
How do I break in the speakers?
Break-in is not strictly necessary, but playing music at moderate volume for 20-30 hours can stabilize the suspension components. Avoid maximum volume during this period.
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