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The BEYERDYNAMIC DT-297-PV/80 is a double-sided headset Microphone with Cable
All DT 297 versions are supplied with connecting cable.
Technical Specifications
Transducer type Condenser (back electret)
Operating principle Closed
Polar pattern Cardioid
Open circuit voltage at 1 kHz (0dB = 1V/Pa) 5 mV/Pa at f = 1 kHz
Nominal impedance approx. 300 Ω
Load impedance > 1000 Ω
Weight without cable 240 g
Frequency response 40 - 20,000 Hz
Current consumption approx. 3.5 mA
Ambient noise isolation approx. 16 dBA
T.H.D.
Max. SPL 132 dB
Phantom supply 12 - 48 V
S/N ratio 62 dB
Weight 30 g
Nominal SPL at 1 kHz 100 dB
Average pressure on ears 4.5 N
Gooseneck length 120 mm
Capsule diameter 19 mm |
- 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) |
| K 701
* Revolutionary flat-wire voice coil technology
* Patented AKG Varimotion ultra-precision two-layer diaphragm
* Self-adjusting cushioned genuine-leather headband
* Bi-wiring, high-performance cable with 1/4" jack plug
* Comfortable, specially shaped "3D-Form" ear pads
* Complete with stylish storage cradle
* Individually tested and numbered
Whether you prefer the holistic approach or like to listen analytically, the K 701
will turn perception into pure enjoyment.
AKG is the first manufacturer in the world to use revolutionary flat-wire technology
in headphones, namely, the K 701. The result is a truly dramatic sound that places
every musician at their correct location with pinpoint accuracy. This kind of agility,
spaciousness, brilliant highs, and velvety, punchy bass is simply miraculous.These
superlative open-back dynamic headphones provide an outstandingly accurate sound
and excellent imaging. Try the K 701 and find out what ingenious headphone engineering
can do for you.
SPECIFICATIONS:
Type Open-back, dynamic headphones
Efficiency 105 dB/V
Frequency range 10 Hz to 39.8 kHz
Rated impedance 62 ohms
Max. input power 200 mW
Cable bi-wiring, single-sided, 99.99% oxygen-free cable, 3 m (10 ft.)
Connector 1/4" hard gold plated |
- Professional hi-fi stereo studio headphones
- Self-adjusting headband for optimum fit
- Patented Varimotion speakers
- High ambient noise attenuation
- For broadcast and DJ use
- Rugged construction for tough handling
- Leatherette ear pads and additional velvet ear pads
- Single-sided, detachable 3 m cable and additional 5 m coiled cable
The newly designed K 171 MK II combines the benefits of a closed-back design with the lightweight and comfort of supra-aural headphones.
The K 171 MK II is an excellent choice for DJ and broadcast applications where no sound can bleed from the headphones into live microphones.
The closed-back, loud and rugged design gives the K 171 MK II a different low-frequency character and maintains its comfort and flexibility.
Type | closed-back, dynamic headphones | Sensitivity | 94 dB/mW, 107 dB/V | Frequency range | 18 to 26,000 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) | 200 g (7.1 oz.) | Shipping weight | 500 g (17.6 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) |
| 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 |
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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