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Blue PS25 incandescent bulb with E26 base, 3.1 inch diameter, 6 inch length

DynamicLamps

DynamicLamps EBW PS25 B2 500W 120V E26 Blue Incandescent Light Bulb

SKU CH-4BND-45SCW

A 500 W halogen photoflood lamp with an E26 base delivering 6680 lumens at 4800 K for studio and stage lighting

  • Product typeHalogen Lamps
  • High-output 6680 lumens for bright studio illumination
  • 4800K colour temperature gives clean daylight balance
  • PS25 shape with E26 base fits standard fixtures
  • 500 W at 120 V delivers intense photoflood power
  • 6-hour rated life suits short-run productions

Professional lighting solution

The DynamicLamps EBW PS25 B2 is a 500W 120V halogen lamp built for theatrical stage studio and photographic lighting. Its E26 medium screw base fits standard sockets while the blue internal coating delivers a 4800K colour temperature suited to creative work. The PS25 envelope measures 3.1 in diameter and 6.00 in overall length.

life high-output replacement

This single-ended photoflood replaces spent EBW bulbs in fixtures that demand 6680 lumens from a 500W source. The 6-hour rated average life means the jump is worth it only for intermittent shoots or rehearsals where maximum intensity outweighs frequent relamping. Continuous daily use will exhaust the filament quickly.

Sustained output behaviour

Under continuous operation the C-9 filament maintains its rated lumens until the brief rated life ends, after which output drops sharply. The blue glass envelope absorbs a portion of the spectrum to hold the 4800K target, so colour shift is minimal during the short operating window. Plan for immediate spares on long sessions.

How it compares

Measured against everything we stock in Lighting Fixtures & Bulbs, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 91% of the 491 comparable items (median $28.99).

Specifications

Product
Product typeHalogen Lamps

Questions about this item

Will the 6.00 in overall length and 3.1 in diameter PS25 bulb fit my fixture?

The bulb measures 6.00 inches long and 3.1 inches wide, so check your fixture's internal clearance against those dimensions before ordering.

How do I install the E26 medium screw base correctly?

Screw the E26 base firmly into the socket until the blue glass envelope seats fully; the step people miss is aligning the single-ended filament vertically for even light output.

How often must I replace a bulb rated for 6 hours average life?

At 6 hours rated life, plan to replace the bulb after each full day of studio use or keep spares ready for continuous theatrical runs.

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