Halogen lamps socket G6.35

G6.35 Halogen Lamps at a Glance – Your Specialist for Event Technology

G6.35 halogen lamps are compact bi-pin capsule bulbs built for professional lighting, from studio and film sets to stage and effect fixtures. At LTT you find low-voltage pin-base lamps in 12V and 24V versions, in wattages from 20W up to 250W, ready to power projectors, follow spots and machine luminaires.

As your specialist for event technology, LTT combines 25 years of experience with hand-picked brand products and quick availability. Whether you are equipping a theatre, club or touring rig, these precise capsule bulbs deliver warm-white brilliance and reliable performance.

Browse the range, compare pin bases and secure the optimal solution for your next production, backed by expert advice and fast delivery from Germany.

What the G6.35 Base Means: Construction and Nomenclature Basics

A G6.35 base is a pin-base connection, also called a bi-pin capsule. The lamp sits on two parallel metal pins that plug straight into the fixture socket, without any screw thread or bayonet twist.

What the letters and numbers stand for

The letter G originally referred to glass, the historic base material of these capsule bulbs. The number 6.35 describes the distance between the two pins in millimetres, so the pins sit exactly 6.35 mm apart.

The crucial detail lies in the pin diameter itself. A pure G6.35 lamp uses thin pins with a diameter of roughly 0.95–1.05 mm, while the closely related GY6.35 version has thicker pins measuring about 1.2–1.3 mm. This small difference decides whether a lamp seats correctly and safely in a given holder.

How it differs from adjacent bases

Do not confuse the G6.35 pin base with screw bases such as E14 or E27, which use a threaded connection for domestic lamps. Pin-base capsule bulbs like G6.35 belong to the world of technical and professional lighting: studio luminaires, projectors and stage fixtures. They are not designed for general room lighting at home. Because the metal pins barely corrode even at high operating temperatures, the connection stays electrically stable and delivers consistent contact throughout the lamp's life.

G6.35 vs GY6.35 vs G4: Pin Bases Compared

The most common confusion around low-voltage capsule bulbs concerns the difference between G6.35, GY6.35 and G4. All three are pin bases, yet they differ in pin spacing and pin diameter, which decides mechanical and electrical compatibility. Use the comparison table below to identify the right base before you order or plan an LED retrofit.

Are G6.35 and GY6.35 interchangeable?

Despite the identical 6.35 mm spacing, G6.35 and GY6.35 are not automatically interchangeable. The thicker GY6.35 pins may not fit a socket designed for slim G6.35 pins, and vice versa a slim lamp can sit loose in a GY6.35 holder. Always check the pin diameter, the fixture holder and the voltage before swapping. G4 lamps, with only 4 mm spacing, never fit a 6.35 mm socket.

Technical Specifications and Buying Criteria: Voltage, Wattage, Lumens and Colour Temperature

Choosing G6.35 halogen lamps for professional use means matching several technical values precisely to your fixture. Below are the concrete specifications you should check before buying.

Voltage and wattage

Most G6.35 and GY6.35 capsule bulbs are low-voltage lamps running on 12V, with dedicated 24V versions for specific fixtures. Common wattages are 20W, 35W, 50W, 100W, 150W and 250W. Higher wattage means more light output but also more heat, so confirm your fixture and driver can handle the chosen rating.

Lumen output and colour temperature

Typical brightness ranges from around 280 lm for a 20W lamp up to 766 lm and more for higher-wattage models. Colour temperature sits in the warm white 2700K to 3100K band, delivering the familiar warm halogen glow prized in stage and film work.

Colour rendering and beam characteristics

For show, studio and film lighting the colour rendering index (CRI) matters as much as raw output. Halogen capsule bulbs offer excellent, near-natural colour rendering, which is why lighting designers still specify them where accurate skin tones and true colour reproduction are critical. Many models are dimmable, letting you shape scenes and cues smoothly.

Key buying criteria checklist

• Correct base and pin diameter (G6.35 or GY6.35)
• Operating voltage: 12V or 24V
• Wattage matched to fixture and driver
• Lumen output and warm-white colour temperature
• Dimmable if your control system requires it
• CRI for demanding film and stage applications

Applications and Use in Stage, Event and Studio Lighting

G6.35 and GY6.35 pin-base lamps are true workhorses of professional lighting. In studios and on film sets they power fixtures where high colour rendering and stable warm-white light are essential for cameras. In theatres, clubs and discos these capsule bulbs sit inside effect fixtures, follow spots and stage luminaires that demand a compact, high-output light source.

As an event-technology specialist, LTT sees these lamps used well beyond simple luminaires. Typical applications include:

• Effect and moving-head fixtures that need a bright, compact source
• Follow spots and profile spots for stage and theatre
• Projectors and optical systems where beam precision counts
• Chandeliers and decorative landscape lighting on event sites
• Machine and technical luminaires in fixed installations

What these lamps are not built for is general domestic room lighting, so treat them as professional tools rather than household bulbs.

If you are equipping a full lighting rig, browse our related stage lighting fixtures and matching lamps and light sources to build a coherent setup for your venue or production.

Brands and Manufacturers: Osram, Philips and More

When it comes to pin-base halogen lamps, brand quality translates directly into reliability on stage and set. LTT relies on hand-picked, high-quality brand products so you can trust every capsule bulb during a live show.

Leading brands in this range

• Osram – the Halostar Starlite series is a benchmark for G6.35/GY6.35 capsule bulbs, offering stable warm-white output and long life.
• Philips – dependable capsule bulbs with clean colour temperature and dimmable options.
• GE – established low-voltage halogen sources for technical luminaires.
• Omnilux – event-focused lamps well suited to effect fixtures and stage work.
• MONACOR – professional replacement lamps for the show and installation sector.

Depending on availability you will also find further recognised names in the range. As a specialist partner with over 100,000 positive customer reviews, LTT focuses on genuine brand lamps rather than anonymous no-name stock, so your fixtures perform as designed. If you need advice on which model matches a specific luminaire, our team is ready to help you find the optimal solution.

Buying Guide: Transformer, Dimmer and AC/DC Compatibility

The single most common source of trouble with low-voltage G6.35 lamps is a mismatch between the lamp, the driver and the control system. This buying guide helps event technicians avoid it.

Match the voltage and the transformer

A G6.35 base tells you the pin spacing, not the voltage. Most capsule bulbs run on 12V, but 24V versions exist. Always confirm the operating voltage first, then check that your 12V or 24V transformer delivers a stable output within the lamp's rating. An overloaded or undersized transformer shortens lamp life or prevents ignition altogether.

Check AC/DC compatibility

Some fixtures run on AC, others on DC. Halogen lamps themselves are tolerant, but this becomes decisive when you switch to an LED retrofit, where AC/DC compatibility must match exactly. Verify the current type before ordering.

Verify dimmer compatibility

If your production relies on dimming, choose lamps marked as dimmable and make sure your dimmer matches the transformer type. Conventional halogen dims smoothly on most dimmers; LED retrofits often need a compatible dimmer to avoid flicker.

Quick pre-purchase checklist

1. Confirm base and pin diameter (G6.35 vs GY6.35)
2. Match voltage: 12V or 24V
3. Check transformer output and load rating
4. Verify AC or DC operation
5. Confirm dimmer compatibility for your control desk

Accessories, Care and Safe Handling of Pin-Base Lamps

Matching accessories

To run G6.35 lamps reliably you need the right supporting equipment: suitable 12V or 24V transformers and drivers, spare lamp holders and sockets, and compatible dimmers for your control setup. Keeping spare capsule bulbs in your case avoids downtime during a show. Explore related lighting accessories and spare parts to complete your kit.

Care and maintenance

Proper care extends lamp life. Keep reflectors and lenses clean so light output stays high, and inspect sockets regularly for discoloration or loose pins, which indicate contact problems. Store spare capsule bulbs dry and dust-free.

Safe handling and warnings

Halogen capsule bulbs get extremely hot in operation and demand careful handling for safety:

• Never touch the glass with bare fingers – skin oils create hot spots that can cause premature failure or glass fracture. Use a clean cloth or gloves.
• Let the lamp cool down fully before you replace it, as the glass reaches high temperatures during use.
• Seat the pins correctly and fully in the holder to guarantee safe contact and avoid arcing.
• Switch off and isolate power before changing any lamp.

Following these steps protects both the crew and the equipment during fast get-ins and get-outs.

Halogen Phase-Out and LED Retrofit Options

Regulations have reshaped the market for pin-base halogen lamps. Conventional halogen capsule bulbs of this type are no longer produced since September 2023, so what remains in circulation is largely residual stock. That makes it worth securing the lamps you need for existing fixtures in good time.

The LED retrofit alternative

For many applications a GY6.35 or G6.35 LED retrofit is the forward-looking solution. LED capsule bulbs are far more efficient and considerably longer-lasting than halogen, which cuts both energy use and lamp changes on tour.

What to check before switching to LED

An LED retrofit is not always a plug-and-play swap. Before you change, verify:

• Base and pin diameter – G6.35 versus GY6.35 must match your holder
• Voltage – 12V or 24V, matched to your transformer
• AC/DC compatibility – decisive for stable LED operation
• Dimmer compatibility – to avoid flicker on dimmed channels
• Physical dimensions – the LED must fit the installation space

When these points line up, an LED retrofit delivers the same convenient pin base with markedly better efficiency and lifespan.

Related Categories and LTT – Your Specialist for Event Technology

Choosing G6.35 halogen lamps at LTT means buying from a genuine specialist rather than a generalist. With 25 years of experience in event technology and over 100,000 positive customer reviews, LTT supports you as a reliable partner from planning to the live show, so your lighting design achieves impressive results on stage.

Enjoy fast dispatch from our warehouse in Bocholt, Germany, a full 3-year LTT warranty and free shipping from €69, with express delivery available when your production cannot wait. B2B customers and resellers benefit from dedicated wholesale conditions and our international dealer network.

Related and further categories

Round out your rig with closely related ranges:

• Lamps and light sources for every socket type
• Stage lighting and effect fixtures
• Lighting accessories, transformers and spare parts

Explore the full G6.35 range now and put your next event in the spotlight with the optimal lamp for the job.

FAQ – Questions & Answers