Today, the QL 60 C is a favorite on the secondary market for audiophiles seeking "German Sound" on a budget. They represent a time when MB Quart focused on component longevity
The QL 60 C Extra relies on MB Quart’s signature 1-inch (25mm) titanium dome tweeter. Titanium is incredibly rigid yet lightweight, allowing the dome to move rapidly without flexing. This results in an exceptionally extended high-frequency response that captures transient details—like the shimmer of a cymbal or the subtle breath of a vocalist—with absolute precision. Polypropylene Woofer and Midrange Elements
To help give you more specific advice on these vintage speakers, tell me: Do you a pair, or are you looking to buy them? What amplifier or receiver do you plan to connect them to? What genres of music do you listen to most? Share public link
If you appreciate a warm, rolled-off, or "lazy" sound, these are not the speakers for you. The QL 60 C Extra delivers a bright, revealing top end. The soundstage is remarkably wide and accurate; instruments are locked into distinct physical positions across the room. Midrange Realism mb quart ql 60 c extra quality
The user should place the speakers at an appropriate distance from the rear and side walls to allow the rear-firing bass reflex port to function correctly and avoid boomy, muddied bass. While the QL 60 C can fill a medium-to-large room with sound, consider room acoustics if the titanium tweeter's brightness becomes fatiguing; adding soft furnishings like rugs or curtains can help tame reflections.
Before diving into the specifics of the QL 60 C Extra, it is essential to understand the philosophy of MB Quart. Founded in Obrigheim, Germany, the company built its reputation on manufacturing high-quality microphone components and headphones before expanding into premium home loudspeakers during the 1980s and 1990s. German loudspeaker design of this era focused heavily on: for uncolored sound reproduction.
If you find a used set with blown tweeters, buy them anyway. The are exceptional when paired with a soft-dome tweeter (like a Seas or Morel). Simply bypass the MB Quart crossover and run the mids active from 80 Hz – 3.5 kHz with a 24 dB slope, and add your own tweeter. You'll get the punchy Quart midrange without the harsh top end – a hidden gem combo. Today, the QL 60 C is a favorite
Dual drivers (typically 150mm and 185mm) providing a rich, textured vocal range.
The speaker's drive units consist of a 25 mm titanium dome tweeter for crisp, detailed highs, a 130 mm midrange driver for clear, articulate vocals, and a formidable pair of 160 mm woofers dedicated to producing deep, powerful bass. This combination makes it a true full-range speaker, capable of handling a complete audio spectrum with authority.
The "Extra Quality" signature of these speakers lies hidden inside the cabinet. The crossover networks use high-grade film capacitors and heavy-gauge air-core inductors. This meticulous separation of frequencies ensures that the transition between the 6.5-inch woofer and the titanium tweeter is seamless, eliminating phase cancellations in the critical midrange frequencies. 3. Rigid, Inert Cabinet Construction What genres of music do you listen to most
The 6.5-inch woofer in this set is known for being incredibly tight and accurate. It won't rattle your rear-view mirror with bloated mid-bass. Instead, it offers excellent transient response. Kick drums hit with a punch, not a boom. It excels in a properly sealed door or a small sealed pod, offering linear response that blends seamlessly with a subwoofer.
The MB Quart QL 60 C (part of the "Extra Quality" or Q-Line ) is a classic 6.5" component speaker system known for its and aggressive, detailed midrange. While no longer in current production, these speakers are still highly sought after in the used/DIY car audio market for their unique "forward" sound.
: Built in Germany, these units often featured high-end aesthetics such as wood veneers and solid MDF construction. Market Context