| Content | K 240 Studio
The Studio version of these classic hi-fi stereo headphones uses XXL speakers
with Varimotion diaphragms for higher sensitivity, a wider dynamic range, and
higher sound levels. Other features include semi-open earphones, a solid bass
range, clear highs, and excellent comfort.Also connects to portable equipment
(CD players, DAT recorders, notebook computers, etc.)
SPECIFICATIONS:
General Specifications
Headphone type: semi-open
Max. Input Power: 200 mW
Sensitivity headphones: 104 dB SPL/V
Rated Impedance: 55 Ohms
Detachable cable: yes
Cable Length: 3 m
Earpads replaceable: yes
Audio Specifications
Maximum input power: 200 mW
Audio frequency bandwidth: 15 - 25000 Hz
Dimensions
Length: 110 mm
Width: 190 mm
Height: 200 mm
Net Weight: 240 g
Audio Interface
Type: Stereo plug – 3.5mm (1/8-inch) with 6.3 mm (1/4") screw-on adapter
Gender: Male
Contacts: 3-pin
Cable
Detachable: Yes
Wearing Style
Over-ear: Yes
Application
Studio Mixing: Yes
Hi-Fi Listening: Yes
Foldable
Not foldable: Yes
Cup Style
Semi-open: Yes |
- Professional circumaural hi-fi stereo studio headphones
- Self-adjusting headband for optimum fit
- Patented Varimotion speakers
- High noise attenuation
- For onstage and studio use
- Automute feature mutes headphones when they are taken off
- Leatherette and additional velvet ear pads
- Single-sided, detachable 3 m cable and additional 5 m coiled cable
The newly designed AKG legend, K 271 MK II combines the benefits of AKGʼs circumaural design for extreme comfort and a closed-back design for maximum isolation from ambient noise. Thanks to its XXL transducers, the K 271 MK II sounds clean, smooth and very rich.
The K 271 MK II is the perfect choice for any application where sonic bleed could cause problems such as broadcast work.
Another important feature of the K 271 MK II is the addition of a switch in the headband that mutes the audio just as soon as the headphones are taken off.
By the way, the K 271 MK II is also available as a headset with dynamic microphone (HSD 271) or condenser microphone (HSC 271).
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- Professional hi-fi stereo studio headphones
- Semi-open, circumaural design
- Self-adjusting headband for optimum fit
- Patented Varimotion speakers
- Leatherette ear pads and velvet ear pads
- Single-sided, detachable 3 m cable and additional 5 m coiled cable
The K 240 MK II is a newly updated version of AKGʼs most successful headphones with Varimotion™ technology and XXL transducers. The K 240 MK IIʼs semi-open ear cups have around-the-ear coupling to deliver solid bass, accurate mids and crystal-clear highs.
Thanks to its lower impedance and improved sensitivity, it can be used with low-output audio sources to deliver its incredible sound.
The detachable OFC cable has gold-plated plugs for optimum audio quality and exceptional ease of service.
| Type |
semi-open, dynamic headphones |
| Sensitivity |
91 dB/mW, 104 dB/V |
| Frequency range |
15 to 25,000 Hz |
| Rated impedance |
55 ohms |
| Max. input power |
200 mW |
| Earpads |
leatherette and velvet |
| Cable |
3 m single-sided and 5 m coiled cable (99,9% oxygen-free); plug-in cable on headphones (mini-XLR connector) |
| Connector |
gold plated stereo mini jack |
| Adapter |
gold plated 1/8" to 1/4" screw-on adapter |
| Net weight (without cable) |
240 g (8.5 oz.) |
| Shipping weight |
550 g (19.4 oz.) |
| Patent(s) |
Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6,185,809, EP 814.637 (DE, DK, FI, FR, GB, IT, NL), JP 3.927.651); Acoustics slot resistor for dynamic transducer (Patent no. AT 408.706, US 6,639,991, ZL 01116806) |
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Operating Principle: Open
Transmission Type: Wired
Earpad material: Velours, memory foam
Nominal Impedance Headphones: 32 ohms
Weight headphones without cable: 360 g
Headphone frequency response: 5 - 50,000 Hz
Nominal sound pressure level: 100 dB (1mW)
Sound coupling to the ear: Circumaural (around the ear)
Cable & Plug: double-sided detachable cable, 3 m length, gold-plated mini stereo jack (3.5 mm) & 1/4" adapter (6.35 mm)
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The SRH1440 Professional Open Back Headphones provide full-range audio with detailed highs and rich bass in a sleek, attractive design. Made for mastering and critical listening, the premium padded headband with steel frame offers hours of listening comfort.
The included storage case, replacement set of velour ear pads, replacement cable, and threaded adapter ensure years of uninterrupted listening enjoyment.
40 mm Neodymium drivers deliver full-range audio with rich, controlled bass
Open-back, circumaural design for exceptionally natural sound, wide stereo image, and increased depth of field
Impedance optimized for direct connection to wide range of portable audio devices
Fully adjustable, premium padded headband with steel frame and sleek, ergonomic design for hours of listening comfort
Oxygen-free copper cable with Kevlar® reinforced jacket for superior performance and durability
Dual-exit cables with gold-plated MMCX connectors provide secure connection and detachability for easy storage or replacement
Replaceable velour ear pads with high-density, slow-recovery foam for exceptional comfort
Individually tested and serialized
Legendary Shure durability to withstand the rigors of everyday use
Type
Open-back, circumaural
Frequency Range
15 Hz – 27 kHz
Cable Length
6.9 ft (2.1 m)
Plug
Gold-plated 1/8" (3.5 mm) stereo mini-jack
![acrobat_reader_logo.]( "acrobat_reader_logo.") User's Manual
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HSC 171
Professional headset with cardioid, shock mounted, speech optimized condenser
microphone. Main application: Live-commentaries and broadcast. The microphone?s
frequency range is 20-20,000 Hz with a sensitivity of 25 mV/Pa. The required feeding
voltage is 9 to 52 V phantom-power. Impedance is 200 ohms. The headphone?s impedance
is 55 ohms with an audio bandwidth of 18-26,000 Hz. Type: supra-aural, closed-back
with self-adjusting headband. Microphone arm is swivelling through 270 degrees for
left or right-hand use with integrated mute switch. 10 ft (3m) coiled cable, with 6-pin
female mini XLR connector, ?? jack plug (headphones) and 3-pin XLR connector with
integrated HSC-PA phantom power adapter (microphone).
Net/shipping weight: 250/720g (8.8/25.2 oz.)
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