X150.5 manual ?

barti · 23rd January 2009, 04:36 PM

Hi all
sorry to bother with maybe a silly one.... where can I dload an X150.5 manual?

I mean the manual of the last revision of the X150.5, namely the one with 20 mos pairs x channel, this back plate:

and this "naked view"

many thanks
mike

PS I don't really need the manual, ampli is perfectly functioning and I'm very happy with it.... it's just that if I like something, if I really really like something, I want to know everything...

PPS I already have the "manual" found in the box... but it describes the previous revision of the X150.5...

Nelson Pass · 23rd January 2009, 06:56 PM

I don't think we have re-written the owner's manual. From a user's
standpoint the only new thing is the ground post on the back for
people with active subwoofers, and the option for lower gain (20 dB).

Since you have already been inside, you may have seen the jumpers
for that.

barti · 24th January 2009, 06:20 PM

Nelson ,
many thanks for the reply, and... yup, already seen the jumpers and already tried the 30db option... but in my setup I prefer the native 26db.

mike

bergy · 30th October 2009, 09:14 PM

hello,
I'm looking for the electric schema of X150 power amplifier.
Can anyone help me?
Thanks
Max

Nelson Pass · 31st October 2009, 10:06 PM

The X150 service manual has not been released to the
public. If you have specific questions, you may address them
to me directly.

bergy · 1st November 2009, 02:18 PM

Thanks Nelson,
here my problem, the amp fall down the safety switch in my home.
I just get back the amp from a renowned service office in Italy (Milan) after one year because this people cannot repair it!!! So the amp has the same problem.
I checked the power transformer and it have the two coils of secondary winding short circuit together and grounded.
I think that I need a new transformer??
Thank you
Max

Nelson Pass · 1st November 2009, 04:10 PM

Is the tripping due to ground fault or overcurrent?

If you took an ohmmeter and measured the secondaries
to ground, you would see low impedance - that is not
an indicator of fault.

I don't quite understand from your description, but it
sounds like you may real repair, quite possibly a new
transformer.

I suggest that you email me for the purpose of helping
you get the amp repaired.

23rd January 2009, 04:36 PM	#1
barti diyAudio Member Join Date: Dec 2007	X150.5 manual ? Hi all sorry to bother with maybe a silly one.... where can I dload an X150.5 manual? I mean the manual of the last revision of the X150.5, namely the one with 20 mos pairs x channel, this back plate: and this "naked view" many thanks mike PS I don't really need the manual, ampli is perfectly functioning and I'm very happy with it.... it's just that if I like something, if I really really like something, I want to know everything... PPS I already have the "manual" found in the box... but it describes the previous revision of the X150.5...

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23rd January 2009, 06:56 PM	#2
Nelson Pass The one and only Join Date: Mar 2001	I don't think we have re-written the owner's manual. From a user's standpoint the only new thing is the ground post on the back for people with active subwoofers, and the option for lower gain (20 dB). Since you have already been inside, you may have seen the jumpers for that.

24th January 2009, 06:20 PM	#3
barti diyAudio Member Join Date: Dec 2007	Nelson , many thanks for the reply, and... yup, already seen the jumpers and already tried the 30db option... but in my setup I prefer the native 26db. mike

30th October 2009, 09:14 PM	#4
bergy diyAudio Member Join Date: Apr 2008	hello, I'm looking for the electric schema of X150 power amplifier. Can anyone help me? Thanks Max

31st October 2009, 10:06 PM	#5
Nelson Pass The one and only Join Date: Mar 2001	The X150 service manual has not been released to the public. If you have specific questions, you may address them to me directly.

1st November 2009, 02:18 PM	#6
bergy diyAudio Member Join Date: Apr 2008	Thanks Nelson, here my problem, the amp fall down the safety switch in my home. I just get back the amp from a renowned service office in Italy (Milan) after one year because this people cannot repair it!!! So the amp has the same problem. I checked the power transformer and it have the two coils of secondary winding short circuit together and grounded. I think that I need a new transformer?? Thank you Max

1st November 2009, 04:10 PM	#7
Nelson Pass The one and only Join Date: Mar 2001	Is the tripping due to ground fault or overcurrent? If you took an ohmmeter and measured the secondaries to ground, you would see low impedance - that is not an indicator of fault. I don't quite understand from your description, but it sounds like you may real repair, quite possibly a new transformer. I suggest that you email me for the purpose of helping you get the amp repaired.

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