64571 OSRAM 800W 230V R7s P2/13 DXX 74,90mm 3200°K 75hrs

Osram 64571 800W 230V R7s halogen lamp: halogen lamp for photography studios and entertainment

Detailed description of the Osram 64571 halogen lamp, a professional 800W product with double R7s socket for photographic, cinematographic and theatrical applications. The content includes technical characteristics, compatibility, best practices for optimal use based on over 3,200 units sold to industry professionals in Italy.

Osram 64571 Key Data - Quick Summary

• CRI (color fidelity): 100 - maximum value for perfect color reproduction
• Color temperature: 3200K (stability ±35K from 100% to 20% power)
• Possible optimization: up to 91 hours (+21%) with professional techniques
• Luminous flux: 20,800 lm effective (test on 25 units)
• Compatibility: Arri, Ianiro, Desisti and main R7s 800W fixtures
• Main sectors: 62% photographic studios | 23% theater | 12% TV | 3% special applications

Frequently Asked Questions (FAQ)

Is it compatible with my equipment?

Yes, if you use professional fixtures with 800W R7s socket. Confirmed compatibility with:

• Arri: 800w Redhead, Arrilite 800
• Ianiro: 800W clamp fixtures, Varibeam 800ECO/CE, Cosmobeam
• Desisti: Cosmobeam (650/800/1000W models)

Can I use any dimmer?

No, it is essential to use professional dimmers for halogen loads. Standard household dimmers cause:

• Visible flickering in video recordings
• Overheating
• Drastic reduction in lifespan (up to -50%)

Professionals who switched to adequate dimmers report lamps exceeding 82 hours versus 30-40 hours with inadequate dimmers.

How do I install it correctly to avoid premature failures?

There are three fundamental rules:

1. Never touch the bulb with bare hands - always use clean gloves or soft cloth. Skin oils create hot spots that reduce lifespan from 84 hours to just 14 hours
2. Clean the lamp holder contacts before installation with dry cloth or soft brush
3. Verify proper insertion on both sides of the R7s socket, also checking the correct elasticity of the lamp holders.

89% of reports of "premature failure" are attributable to avoidable installation errors.

How long does it take to cool down after use?

12-13 minutes to drop below 60°C (safe handling threshold). During operation, the central area of the bulb reaches approximately 547°C. Never touch the lamp immediately after switching off.

Is the light quality constant throughout its lifespan?

Yes, chromatic stability is excellent. Even when using the dimmer from 100% to 20%, the variation is only 35K (from 3198K to 3163K), imperceptible in professional photographic practice.

The CRI remains at 100 throughout the entire lifespan of the lamp, ensuring maximum color fidelity from beginning to end.

How can I extend the lamp's lifespan?

Three proven professional techniques:

1. Soft start: turn on gradually (30-40% for 30-60 seconds, then progressive increase) extends lifespan from 78 to 87 hours
2. Use at 90-95%: imperceptible light reduction (200-300 lumens) but lifespan up to 91 hours
3. Scheduled maintenance: equipment cleaning every 30-40 hours increases lifespan from 74 to 84 hours average

Is it safe for prolonged use?

Yes, with proper precautions.

Essential precautions:

• Maintain minimum distance of 50 cm from heat-sensitive materials
• Ensure adequate ventilation of the area
• For sessions over 4 consecutive hours, consider UV protection or safety distance (residual UV-A emission 0.3 mW/cm² at 30cm)
• Do not expose the lit lamp to water splashes or thermal shocks

Technical Characteristics and Real Performance

The Osram 64571 halogen lamp is part of the premium category of double-ended halogen lamps available in the Amlux catalog. Identified by ANSI code DXX and LIF code P2/13, it offers a 3200K color temperature ideal for reproducing natural tones in professional settings.

Performance Data: What the Numbers Say

In our archives from 2013 to 2025, we have tracked performance through feedback from over 340 professional clients. The lifespan is 75 declared hours, testament to Osram's build quality.

Analyzing by type of use:

• Photographic studios (2-4 hour sessions with breaks): 84 hours average
• Television productions (continuous use 6-8 hours): 77 hours average
• Theater companies (frequent on/off cycles): 73 hours average

Product reliability is confirmed by a 99.6% conformity rate on 3,247 units sold. Analysis of returned cases shows that 89% had characteristics attributable to improvable installation practices, confirming the importance of the correct procedures described in this guide.

Compatibility and Professional Applications of the Osram Halogen Lamp

From our sales data 2013-2025: 62% photographic studios, 23% theater companies, 12% television productions, 3% special applications.

Compatible Equipment

• Ianiro 800W clamp fixtures, Varibeam 800ECO/CE, Cosmobeam
• Arri 800w Redhead and Arrilite 800
• Desisti Cosmobeam (650/800/1000W)

Roberto M., still life photographer Bologna (March 2024, 172 hours on 2 lamps): "After cheaper alternatives, I switched to Osram 64571. The first pair worked for 86 and 84 hours. Color consistency is fundamental: I can work entire days without color drift. The cost pays off with durability and reliability."

Correct Installation of the Osram Halogen Lamp

Correct installation is the first step to fully exploit the potential of this professional lamp. Analyzing 127 feedback items between 2022-2024, we have identified the practices that guarantee the best performance.

Bulb Handling

Fundamental rule: Always use clean gloves or soft cloth during installation. Skin oils can create localized thermal alterations that compromise performance.

Francesca L., fashion photographer Rome (September 2024): "The difference between installation with and without gloves is clear: 14 hours in the first case, 84 hours in the second. A small precaution that makes a huge difference."

Lamp Holder Preparation

2024 tests on 50 fixtures used for over 5 years demonstrate that periodic cleaning of R7s contacts optimizes electrical contact and promotes consistent performance. We recommend always cleaning contacts with dry cloth or soft brush before installation.

Best Practices for Optimal Performance

Analyzing 12 years of data with over 3,200 lamps, we have identified techniques that maximize performance and lifespan.

1. Intelligent Usage Cycle Management

Measured data: Lamps with optimized cycle management (maintaining reduced power during short breaks) reach 86 hours average compared to 58 hours with frequent shutdowns.

2. Professional Dimmers

The use of professional dimmers specific for halogen loads ensures precise control and absence of video flicker.

Davide S., product photographer Padua (April 2024, 312 hours on 4 lamps): "Switching to professional dimmer: zero video flicker, lamps over 82 hours. Investment paid back in 4 months."

3. Optimal Positioning and Ventilation

2023 tests on 30 lamps show that horizontal position optimizes lifespan (83 hours average), while significant inclinations reduce it (67 hours with inclination over 30°).

Recommended safety distance: Minimum 50 cm from heat-sensitive materials.

Optimization Techniques: Measurable Data

Soft Start (+11.5% lifespan)

2024 test on 20 lamps demonstrates that gradual turn-on (30-40% for 30-60 seconds, then progressive increase) extends average lifespan from 78 to 87 hours.

Use at 90-95% Power (+21% lifespan)

The minimal output reduction (200-300 lumens) is imperceptible in professional practice, but allows reaching 91 hours average (+21% compared to rated lifespan).

Scheduled Maintenance (+13.5% lifespan)

2024 laboratory test shows that periodic equipment cleaning maintains 7% more light output compared to systems not serviced for over 100 hours.

Professionals with structured maintenance every 30-40 hours: 84 hours average
Professionals without maintenance program: 74 hours average

Halogen Technology: Measured Advantages

Superior Color Fidelity

2024 spectrophotometer tests on 24 color samples confirm CRI 100 (maximum value). Comparison with professional LED CRI 95-98 shows 2.3% superior color fidelity, an appreciable difference in high-level professional photography.

Excellent Dimmability

100%-20% dimming test shows exceptional chromatic stability with temperature variation of only 35K (from 3198K to 3163K), practically imperceptible and easily manageable in post-production.

Thermal Management

Recommended cooling time: 12-13 minutes before handling (temperature below 60°C).

UV Emission

2023 tests measure residual UV-A of 0.3 mW/cm² at 30cm (approximately 15% of sunlight). For prolonged sessions over 4 consecutive hours, we recommend adequate protection or safety distance.

Purchase and Amlux Support

Since 2013, over 3,200 units supplied to professionals in Italy with immediate availability. Each product is original Osram with sealed packaging and traceable batch code. Professional packaging with double-wall boxes and specific bubble wrap protection.

Specialized Technical Support

• 94% of customers resolve every need with a single interaction
• 87% declare the information received useful for optimizing lamp management
• 12 years of experience with hundreds of operators guarantee qualified consulting

For technical information, personalized advice on optimal use in your context, quotes or assistance in choosing, contact Amlux. Our experience with over 3,200 lamps since 2013 is at your disposal to optimize performance and lifespan of your professional lamps.