共找到 177 条与 放大器 相关的标准,共 12 页
Sound system equipment; part 3: amplifiers; amendment 1 to IEC 60268-3 (1988)
Family Specification: TTL Schottky Digital Integrated Circuits Series 54S, 64S, 74S, 84S (En, Fr) AMD 1 (En, Fr)
Family Specification: TTL Schottky Digital Integrated Circuits Series 54S, 64S, 74S, 84S (En, Fr) AMD 1 (En, Fr)
Specification for verification of 2627 model preamplifiers
This commercial item description covers a double lens folding magnifier for general magnification purpose.
MAGNIFIER, FOLDING, DOUBLE LENS
Devices for limiting and/or compressing properties are included, but expanders, clipping devices, and gain control using an external source are not included. To be read in conjunction with BS 5428:Part 2:1979, BS 6840-1:1987
Sound system equipment. Methods for specifying and measuring the characteristics of automatic gain control devices
Sound system equipment; part 3: amplifiers
Domestic sound frequency signal amplifiers. General specifications
이 규격은 건전지를 전원으로 사용하고, 확성용 전자식 증폭기를 내장하는 메가폰에 대하여 규
Portable megaphones
This specification establishes the design, performance, arid acceptancmuirments for A!+7177A/AKC Radio Frequency Amplifier hereinafter referred t o as the amplI fIer
AMPLIFIER, RADIO FREQUENCY AM-7177A/ARC
MIL-A-22305C(SHIPS), dated 16 October 1963, has been reviewed and determined to be current.
AMPLIFIER, DISTRIBUTION, AM-2123 (V)/U
本标准适用于一般用永久磁石型动圈式圆锥型扬声器(以下简称扬声器)。
Cone Type Loudspeakers
testing methods for cone type loudspeakers
TESTING METHODS FOR CONE TYPE LOUDSPEAKERS
This specification establishes the performance,production and test requirements for the Amplifier-Converter AM-6879/URC.
AMPLIFIER-CONVERTER: AM-6879/URC
本标准适用于电子通信机器(含一般扩音装置)用动圈式号角型扬声器(以下简称扬声器)。备考:扬声器系由喇叭与驱动单元所构成,喇叭与驱动单元合为一体者称为组合型,能够分离者称为分离型。
Horn Type Loudspeakers
本标准用于接收机用扬声器之定相。
Phasing of Receiver Londspeakers
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