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Mixer yamaha emx5000-12
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Kapytanu
Wed, 02 Apr 2014, 12:43AM
Guest
Va salut! Am si eu o intrebare pentru cei care cunosc acest model. Functioneaza la 2 ohmi?

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sarac.lipit
Wed, 02 Apr 2014, 02:20PM

Registered Member #45
Joined: 29 May 2008
Posts: 2428
 teoretic orice amplificator funcţionează de la 2 OHM, doar că ''la blană'' se încinge... da' faci mititei, o ceafă...ceva iar iarna îl ţii la picioare.
Pui şi tu cabluri mai lungi şi-i mai măreşti impedanţa.
Adevărul este că sună mai prezent cu cît e mai mică impedanţa şi mai fleşcăit spre 16 OHM

[ Edited Wed, 02 Apr 2014, 02:20PM ]
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Kapytanu
Wed, 02 Apr 2014, 11:36PM
Guest
Ms. Ma interesa daca as putea sa conectez 3 boxe de 8 ohmi pe un canal. Stii ceva sarac lipit?
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vermona
Thu, 03 Apr 2014, 11:21AM

Registered Member #307
Joined: 10 Jul 2008
Posts: 54
 nu poti pe modelul emx yamaha

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sarac.lipit
Thu, 03 Apr 2014, 03:54PM

Registered Member #45
Joined: 29 May 2008
Posts: 2428
 probează şi tu
pune 2 înseriate şi una în paralel, dacă-i moale soundu'... pune-le toate-n paralel.
Dacă amplifu' are protecţiile OK n-ar trebui să se întîmple nimic... decît să se întrerupă dacă-i prea încins şi-n 2 minute-şi revine

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Kapytanu
Fri, 04 Apr 2014, 03:45AM
Guest
am pus. sound-ul nu e moale. nu se schiba cu nimic diferenta la sunet dacapun o boxa pe canal , doua sau trei. se aude volumul la fel nu scade la niciuna. mi-e frica sa nu pateasca ceva nu stiu.

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Kapytanu
Fri, 04 Apr 2014, 03:48AM
Guest
vermona zici ca nu functioneaza in2 ohmi?
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ValiS
Fri, 04 Apr 2014, 06:51AM
Guest
Daca in specificatiile mixerului nu spune ca poate fi folosit si in 2 ohmi iti recomand sa nu pui 3 boxe pe canal...Poti arde etajul final,se incinge ca la balamuc..Eu nu as avea incredere.Si eu am un powermate 1000-1 Dynacord,dar n-am curaj sa pun 6 boxe.E alegerea ta..Teoretic ar merge,spune SaracLipit..! Da...dar cred ca doar teoretic...!

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adriankorgpa
Fri, 04 Apr 2014, 09:09AM
Guest
POate ca te ajuta :

General specifications

Maximum output power
SPEAKERS: 500 W+500 W/4W @0.5% THD at 1 kHz
325 W+325 W/8W @0.5% THD at 1 kHz
BRIDGE: 1000 W/8W @0.5% THD at 1 kHz
Frequency response
20 Hz–20 kHz +1 dB, –3 dB @1 W output into 8W (SPEAKERS OUT)
20 Hz–20 kHz +1 dB, –3 dB @+4 dB output into 600W
(ST OUT, ST SUB OUT, MONO OUT, AUX SEND, EFFECT SEND)
Total harmonic distortion
Less than 0.5% @20 Hz–20 kHz, 250 W output into 4W (SPEAKERS OUT)
Less than 0.3% @20 Hz–20 kHz, +14 dB output into 600W
(ST OUT, ST SUB OUT, MONO OUT, AUX SEND, EFFECT SEND)
Hum & noise
(Average, Rs=150W)
(with 20 Hz–20 kHz BPF)
–128 dB equivalent input noise, –65 dB residual output noise (SPEAKERS OUT)
–95 dB residual output noise (ST OUT, ST SUB OUT, AUX SEND)
–84 dB (ST OUT, MONO OUT)
ST master/MONO master fader at nominal level and all channel
On switches off and all channel fader at minimum.
–64 dB (68 dB S/N)
(ST OUT, MONO OUT)
ST master fader at nominal level and one channel On switch
on and one channel fader at nominal level and one channel
Gain control at nominal level.
–81 dB (AUX SEND)
Master fader at nominal level and all channel On switches off
and all channel level control at minimum.
–80 dB (EFFECT SEND) All channel level control at minimum.
Maximum voltage gain
108 dB INPUT A/B to SPEAKERS OUT
84 dB INPUT A/B to ST OUT, MONO OUT
80 dB INPUT A/B to AUX SEND (PRE)
90 dB INPUT A/B to AUX SEND (POST)
78 dB INPUT A/B to EFFECT SEND
58 dB ST CH IN to ST OUT
Crosstalk at 1 kHz 68 dB adjacent input, 68 dB input to output
Input channel equalization
±15 dB Maximum
HIGH 10 kHz shelving*
MID 250 Hz–5 kHz peaking
LOW 100 Hz shelving*
* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.
ST Input channel equalization
±15 dB Maximum
HIGH 10 kHz shelving*
MID 2.5 kHz peaking
LOW 100 Hz shelving*
* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.
CH peak indicators Red LED on each channel lits when POST EQ signal reaches the level –3 dB below clipping.
CH signal indicators Green LED on each channel lits when POST EQ signal reaches the level –10 dB.
Meters 13 points LED meter
Power amp select switch 500W + 500W, 300W + 300W, 100W + 100W
Limiter Comp. : THD³0.5% (SPEAKERS OUT)
LIMIT indicators Turn on : THD³0.5% (SPEAKERS OUT)
Graphic equalizer 9 bands (63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k Hz), ±12 dB Maximum
Internal digital effect 1 16 programs, parameter control
Internal digital effect 2 16 programs, parameter control, tap delay control, foot switch (DIGITAL EFFECT ON/OFF, TAP)
Foot switch (FC5) Digital effect 2 mute: on/off, Tap delay
Protection circuit (Power amp) POWER switch on/off mute, DC detection, TEMP (heatsink temp. ³90°C)
Fan circuit stop — low speed (50°C) — variable — high speed (70°C)
Phantom power +48 V (balanced input)
Option FC5 (Foot switch), RK-124 (EMX5000-12)
Power requirement/
Power consumption
USA and Canada:120 V AC 60 Hz, 400 W
Europe: 230 V AC 50 Hz, 550 W
Other: 240 V AC 50 Hz, 550 W

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vermona
Fri, 04 Apr 2014, 10:29AM

Registered Member #307
Joined: 10 Jul 2008
Posts: 54
 yamaha emx nu are nicio serie care poti pune 3 boxe pe un canal.....lucru clar.......singurul model este dynacord pm 1002....si 1003...dar si alea nu se stie cat functioneaza de bine si mult .....indicat pentru 3 boxe pe canal sunt amplificatoare separate care sunt concepute pentru a fi folosite in regim de forjare...cluburi..concerte...orcum la nunti linistite cu 4 boxe sateliti si doi basi care ar fi bine sa fie activi nu o sa ai treaba...deci nu uita emx nu functioneaza cu 3 boxe pe canal...

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