AKG Acoustics D 770 User Manual

D 770

Dynamic Microphone

Description

The AKG Model D 770 is a rugged dynamic cardioid
microphone intended for on-stage vocal and instrumental
pickup. Its cardioid pattern is uniform with frequency, and
response has been boosted at mid and high frequencies for
crisp instrumental pickup and improved speech intelligibility.
The microphone has a heavy duty, dent resistant spring-steel
windscreen with an integral pop filter for effective
suppression of breath noise. The microphone incorporates
two important AKG developments: In the “Tiefzieh”
Varimotion System™ the diaphragm thickness varies from
20 microns at the edge to 40 microns at the center. This
distribution of mass produces extended bass response,
virtually eliminating the need for a tuning resonator. In
addition, the Doubleflex™ mounting system used with the
capsule assembly places the primary resonance of the
moving system to well below the audible range, resulting in
excellent isolation of handling and cable induced noises. The
light-weight body is die cast zinc alloy and has a dark matte
finish for minimum reflection and glare.

Features

• Response tailored for vocal and
instrumental on-stage performance

• Frequency independent cardioid
pattern for added immunity to
feedback

• Very low handling noise through
use of AKG’s Doubleflex™ anti­vibration isolation system

• High sensitivity (2.5 mV/Pa)
resulting from use of high-energy
neodymium-iron-boron magnet

• Light-weight die cast metal body
with dark matte finish

• Spring-steel dent resistant
windscreen

Specifications

Transducer type: Dynamic pressure gradient
Frequency response: 60 - 20 kHz (20 - 20 kHz @ 1 cm)
Polar pattern: Cardioid
Impedance: <600 ohms
Recommended load impedance: >2000 ohms
Output connector: XLR-M
Sensitivity: 2.5 mV/Pa; -75 dB (re 1 V/Pa)
Sound pressure level for 1% (3%) THD:

147 dB SPL (156 dB SPL)

Size: Maximum diameter: 2 in. (50 mm)

7.1 in. length (180 mm)

Net weight: 10.4 oz. (295 g)
Shipping weight: 1.3 lbs. (600 g)
Accessories included: SA 44 Stand adapter

Mic bag, blue nylon with rugged zipper

Optional accessories: SA 26, SA 41/1 Stand adapter

ST 305 Table stands
W 23 Foam windscreen

Microphones · Headphones · Wireless Microphones · Wireless Headphones · Headsets · Electroacoustical Components

Limited Warranty

Valid only in the United States. AKG Acoustics warrants AKG products against defects in material
or workmanship for a period of two years from the date of original purchase for use, and agrees to
repair or, at our option, replace any defective unit without charge for either parts or labor. Important:
This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable
care, the affixing of any attachment not provided with the product, loss of parts or connecting the
product to any but the specified receptacles. This warranty is void unless service or repairs are
performed by an authorized service center. No responsibility is assumed for any special, incidental

or consequential damages. However, the limitation of any right or remedy shall not be effective
where such is prohibited or restricted by law. Simply take or ship your AKG product prepaid to our
service department. Be sure to include your sales slip as proof of purchase date. (We will not repair
transit damage under the no-charge terms of this warranty.) Note: No other warranty, written or oral
is authorized by AKG Acoustics, Inc. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state. Some states do not allow the exclusion or
limitation of incidental or consequential damages or limitation on how long an implied warranty
lasts, so the above exclusions and limitation may not apply to you.

Specifications subject to change without notice.

AKG Acoustics GmbH

Lemböckgasse 21–25, P.O.B. 158, A-1230
Vienna/AUSTRIA
Tel: [phone]*, Fax: [phone]
Internet: http://www.akg.com

AKG Acoustics; A Division of Harman Pro Germany
Bodenseestraße 228, D-81243 München/GERMANY
Tel: [phone], Fax: [phone]

Arbiter Pro Audio

Wilberforce Road, London NW9 6AX/ENGLAND
Tel: [phone], Fax: [phone]

AKG ACOUSTICS, U.S.

914 Airpark Center Drive
Nashville, TN 37217, U.S.A.
Tel: [phone], Fax: [phone]

Studer Japan Ltd.

2-43-7, Uehara, Shibuya-ku, Tokyo 151-0064/JAPAN
Tel: [phone], Fax: [phone]

Erikson Pro Audio

620 McCaffrey, St-Laurent, Quebec, H4T 1N1, CANADA
Tel: [phone], Fax: [phone]
Internet: www.jam-ind.com/eriksonpro

AKG is constantly improving and modifying its products, therefore, specifications are subject to change without notice.

The microphone shall be a dynamic type with a cardioid pickup
pattern. Sensitivity shall be no less than 1.8 mV/Pa, and the
maximum operating level for 3% THD shall be no less than
156 dB SPL. The maximum diameter of the microphone shall
be no greater than 2 in. (50 mm), and the microphone length shall

be no greater than 7.1 in. (180 mm). Microphone net weight shall
be no greater than 10.2 oz. The microphone shall have a spring­steel windscreen with an integral, replaceable inner pop filter. The
microphone shall be the AKG Acoustics Model D 770.

Graphical Data

Architects and Engineers Specifications

DS-D 770

2.0 in.

diameter

7.1 in.
length