Lectrosonics FM870 User Manual download pdf (Page 13)

MICROPHONE CHOICES

M140 - This is the microphone supplied with the standard FM-AV4 system. It is a cardioid (directional)

microphone for lavalier ("lapel") use. Due to the directional pickup pattern, this model will generally provide

more gain (loudness) before feedback than the M130 omni-directional model. The M140 has a "brighter"

sound than the M130 (the treble is boosted). This brighter sound normally improves the clarity that is

sometimes lost with lavalier type microphones. The M140 is subject to wind noise and generally works best

indoors, however, it is supplied with a foam windscreen which helps to reduce noise caused by wind.

M130 - This is a very small, omni-directional mic used as a lavalier ("lapel") microphone. It may be prone

to feedback since it is usually placed so far away from the users mouth; however, it has a very flat

response and excellent tone quality. As is true of most omni-directional type microphones, the M130 is

very free from wind noise and clothing "rattle".

M121S - This is a cardioid, dynamic, hand-held microphone. It can be plugged directly into the AUX MIC

INPUT jack on the control panel of the FM870 using a standard microphone cord (MM-16 or MC-16C).

The M121S is available as an accessory item.

HM142V - This single-band headset microphone is normally worn on the head, but can also be worn

around the neck for hands-free operation. It provides maximum gain before feedback since the microphone

is very close to the user’s mouth. The built-in volume control helps control feedback in difficult

environments, such as when the user must move in close to the FM870 speaker. Worn on the head, the

microphone will remain at a constant distance from the user’s mouth, which keeps the volume of the sound

system constant as the head moves. The headset can also be worn around the neck.

HM152V - A double-band headset microphone intended to be worn on the head. The pickup element and

tonal characteristics are the same as the single-band HM142V, but it is more securely mounted and in most

cases, more comfortable, due to the fully adjustable dual headband. The same volume control is provided

to help control feedback.

The best matched microphones are:

For hand-held use:

M121S dynamic cardioid, with ON/OFF switch

For headset use:

HM142V single headband model

HM152V double headband model

For lavalier use:

M140-micro

Other brands of microphones may be used, provided they are the correct type, with an appropriate

connector. Consult the factory or your dealer if you are not sure.

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Lectrosonics FM870 User Manual Page 13