共找到 329 条与 附件 相关的标准,共 22 页
本标准适用于使用于人耳上及耳内之头戴式耳机、头戴式收发话机、耳塞式耳机及耳塞式收发话机,也适用于如前置扩大机、被动网络及电源供应器等组成头戴式耳机系统一部份的设备上。本标准不涉及:- 安全(安全参考CNS 14408〔影音及其类似电子产品-安全规定〕[1]*或其它适当的
Sound system equipment Part 7: Headphone and earphones
本标准适用所有演讲和音乐之声音系统微音器,不适用于量测微音器。微音器被认知为包括如变压器、前级放大器及其它由制造商规定一直到输出端构成微音器整体之装置与组件。
Sound system equipment Part 4: Microphones
Sound system equipment Part 4: Microphones
This specification covers one type of loudspeaker, designated loudspeaker, permanent magnet, LS-211/AIC-13.This loudspeaker is a horn type unit with a frequency response of 200-7000 Hz, nominal 16 ohms voice coil impedance, and a 20 watt peak power output (see 6.1).
LOUDSPEAKER, PERMANENT MAGNET, LS-211/AIC-13
This specification covers the general requirements for individual lead sockets for insertion through mounting boards or panels.
SOCKETS, (LEAD, ELECTRONIC COMPONENTS), GENERAL SPECIFICATION FOR
Sound system equipment.part 7: headphones and earphones
Sound system equipment.part 13: listening tests on loudspeakers
Interchangeability Standards - Video Sources
Interchangeability Standards - Video Sources
Interchangeability Standards - Pre-Recorded Announcement and Boarding Music Reproducer (PRAM)
Interchangeability Standards - Pre-Recorded Announcement and Boarding Music Reproducer (PRAM)
Interchangeability Standards New Generation Audio Reproducer Unit (ARU)
Interchangeability Standards New Generation Audio Reproducer Unit (ARU)
The scope of this standard is to set up a suitable measuring methodology allowing accurate measurement of the maximum sound pressure level produced by consumer's headphones and earphones when associated with portable audio equipment.
Sound system equipment: Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 1: General method for ""one package equipment""
Describes procedures for measuring the performance of noise discriminating and noise canceling microphones. The signal-to-noise ratio is measured at 1/3 octave band intervals with the desired test source in a diffuse noise field. The noise canceling perf
Method for Measuring the Performance of Noise Discriminating and Noise Cancelling Microphones
This notice should be filed in front of MIL-R-85308(AS) dated 28 July 1983.
RECORDER/REPRODUCER, ACOUSTIC AN/AQH-4(V)2
This notice should be filed in front of MIL-L-l6225B(SHIPS), dated 06 September 1979.
LOUDSPEAKER, PERMANENT MAGNET, BLASTPROOF AND SUBMERSIBLE, NAVY TYPE 49546 ( )
MIL-L-l2632D, dated 1 O June 1974, and the following specification sheets are inactive for new design and are no longer used, except for replacement purposes.
LOUDSPEAKERS, PERMANENT MAGNET (ENCASED, 2 WATT, FUNGUS-, GUNBLAST-, AND IMMERSION RESISTANT), GENERAL SPECIFICATION FOR
This notice should be filed in front of MIL-L-f3078A, dated 1O October 1955.
LOUDSPEAKER, DYNAMIC (LS-112( )/U, (LS-116( )/U, (LS-148( )/U, (LS-160( )/U, (LS-179( )/U, (LS-181/U AND LOUDSPEAKER ASSEMBLY (LS-154( )/U AND (LS-206( )/U)
This notice should be filed in front of MIL-M-l1193D, dated 1 July 1960.
MICROPHONE, CARBON (MICROPHONES M-29( )/U& M-52( )/U)
This notice should be filed in front of MIL-L-1091 I D, dated 20 October 1982.
LOUDSPEAKERS, PERMANENT MAGNET (UNENCASED, 2.5-, 3-, 4-, 5-, 6-, 8-, 10-, AND 12-, INCH DIAMETER CONE)
This notice should be filed in front of MIL-A-85881 (AS), dated 5 January 1988.
AMPLIFIER, A7 NOSE GEAR STEERING
Setting-up, performance and evaluation of listening tests on loudspeakers intended for household systems and environments. Although designed to cover separate sound system components these procedures with minor changes could apply to radio receivers and television sets etc.
Sound system equipment. Listening tests on loudspeakers
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