Audio Technica AT-LH11H
Overview
Weighing in at just 11 grams, the AT-LH11H stands out as the lightest model in the LH series. This carefully controlled low weight gives it broader compatibility: where heavier headshells sometimes push certain tonearms to the limits of their counterweight range, this one works with a larger number of setups. Machined in Japan from solid aluminum, it benefits from the expertise Audio-Technica has been building since 1962 in the design of phono cartridges and accessories.
A design focused on acoustic neutrality
The aluminum shell receives a hard-anodized finish that serves two complementary functions. On the one hand, this finish increases overall rigidity and extends durability. On the other, it helps dampen unwanted vibrations that could color the sound. The headshell thus becomes an inert support rather than an extra resonant chamber in the playback chain.
The internal wiring uses OFC (oxygen-free) copper. This type of conductor minimizes metallic impurities that can degrade signal transmission between the cartridge and the tonearm. The four lead wires, with standard color coding, make the hookup process easier during installation.
An adjustment system rarely seen in this range
The AT-LH11H incorporates an adjustable cylinder that allows two types of fine-tuning. Azimuth—i.e., the cartridge’s lateral tilt in relation to the groove—can be modified to compensate for a misalignment or asymmetric stylus wear. Overhang, which determines the longitudinal position of the stylus tip, can also be adjusted without removing the cartridge from the headshell. These adjustments, usually reserved for high-end models or specialized accessories, here provide welcome precision for optimizing groove tracking.
Handling does, however, require some patience. The adjustment cylinder calls for careful, measured movements, and it is advisable to firmly lock the azimuth before adjusting the overhang to prevent one setting from upsetting the other.
Mounting cartridges with threaded bodies
The two through mounting holes, which are not tapped, are designed for M2.6 screws that thread directly into the cartridge body. This configuration is particularly well suited to cartridges with built-in threads: Audio-Technica’s AT-OC9X and AT-ART9X (MC) series, as well as the VM95 (MM) series, can be mounted without a nut or metal washer on the underside.
For cartridges without internal threads, the supplied plastic washers can be used to complete the assembly. The screws are supplied in two lengths (8 mm and 10 mm, two of each) to accommodate different cartridge body thicknesses.
Weight as a compatibility factor
The mass of the headshell is a factor in calculating the tonearm’s effective mass. This effective mass, combined with the cartridge’s compliance (suspension stiffness), determines the resonance frequency of the arm–cartridge system. A frequency ideally between 8 and 12 Hz ensures stable behavior with warped records and recorded low frequencies.
An 11-gram headshell paired with a light, high-compliance cartridge is suitable for low- to medium-mass tonearms. Conversely, low-compliance MC cartridges and heavy arms generally call for heavier headshells. Audio-Technica’s LH series is offered in four versions (11, 13, 15, and 18 grams) to cover most real-world combinations.
Compatibility with turntables and tonearms
The universal 1/2-inch mount (SME or H-4 type), with its 8 mm diameter by 12 mm long bayonet connector, fits most removable-headshell tonearms on the market. The straight shape of the headshell makes it suitable for S-shaped or J-shaped arms, whose curvature compensates for the tracking angle. Straight arms, on the other hand, require an angled headshell.
On Audio-Technica turntables with removable headshells, the AT-LH11H is the only model in the LH series compatible with straight arms designed for straight headshells. The other versions (13, 15, and 18 grams) are more intended for third-party setups or S-shaped arms.
Technical specifications
Main specifications
- Weight: 11 g
- The lightest in the LH series
- Material: aluminum with hard anodized finish
- Mount: universal ½‑inch
- Wiring: oxygen‑free copper (OFC)
Construction and materials
- Hard anodized aluminum construction
- Increased rigidity
- Enhanced durability
- Oxygen‑free copper (OFC) wiring for pure, accurate signal transmission
Settings and adjustments
- Adjustable cylinder allowing azimuth and overhang adjustment
- Precision settings for optimal performance
Compatibility
- Compatible with threaded‑body cartridges in the AT‑OC9X series
- Compatible with cartridges in the VM95 series
- Fits a wide range of tonearms
Included accessories
- Hex key
- Cartridge mounting screws (M2.6): 8 mm × 2, 10 mm × 2
- Plastic washers × 2
General information
This ultra‑light 11 g headshell stands out as the lightest in the LH series. Its design reduces vibrations and ensures broad compatibility with many tonearms. The hard anodized aluminum construction guarantees rigidity and durability, while the oxygen‑free copper wiring ensures pure, accurate signal transmission.
Other models available in the series: 13 g (AT‑LH13H), 15 g (AT‑LH15H), 18 g (AT‑LH18H)
Frequently Asked Questions
How can I tell if this headshell is suitable for my tonearm?
Check your turntable’s manual for the acceptable combined weight range for headshell + cartridge. Add the 11 grams of the headshell to the weight of your cartridge and the screws (allow about 0.5 grams). The total must remain within the specified limits. If your tonearm has a light counterweight or low effective mass, the AT-LH11H will generally be a good choice.
Can I use this headshell with a cartridge that doesn’t have built-in threads?
Yes, but installation will be less straightforward. You will need to use the supplied plastic washers and possibly M2.6 nuts (not included) to hold the cartridge in place. The non-tapped through holes allow for this type of mounting, even though the headshell has been optimized for threaded-body cartridges.
What’s the difference compared with the AT-LH13/OCC, AT-LH15/OCC, and AT-LH18/OCC models?
The OCC models stand out with their PCOCC (Ohno continuous casting process) copper wiring and built-in threads in the headshell rather than through holes. They are designed for cartridges without internal threads. The “H” LH series (to which the AT-LH11H belongs) uses OFC copper and through holes, making it more suitable for recent Audio-Technica threaded-body cartridges.
Is azimuth adjustment really useful?
It can be in several situations: correcting a slight tilt of the cartridge in its mount, compensating for asymmetric stylus wear, or fine-tuning channel separation. In practice, many setups do not require adjustment, but having this option means you don’t need to replace the headshell if an alignment issue arises.
Does this headshell improve sound compared with my turntable’s stock model?
The impact depends on the quality of the headshell you’re replacing. The hard-anodized finish and rigid construction can reduce vibration-related coloration if your current headshell is weak in that respect. The OFC wiring also provides a more neutral signal path than some entry-level leads. The improvement will be more noticeable in a quality system with a cartridge capable of revealing these nuances.
What tools are needed for installation?
The headshell comes with a hex key for azimuth and overhang adjustments. You’ll need a small Phillips screwdriver for the cartridge mounting screws. An alignment protractor (Baerwald or Stevenson type, depending on your turntable) and a tracking-force gauge will usefully complete your toolkit for optimal setup.
Is the AT-LH11H compatible with Technics SL-1200 turntables?
Yes, the SME 1/2-inch mount is compatible with the SL-1200 tonearm and most turntables with removable headshells. The 11-gram weight is a good match for this medium-mass arm, especially with moderately compliant MM cartridges such as the Audio-Technica VM95 range or light MC cartridges.
- Eco-contribution included in the sale price.