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Author Topic: ca 9100 battery life?  (Read 3438 times)

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Offline lt-cartman

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ca 9100 battery life?
« on: January 11, 2012, 02:00:40 PM »
to anyone who owns the church audio 9100 preamp...

whats the rough battery life of the ca 9100 preamp (roughly half volume) with (standard duracell power plus batteries) - when powering the ca-14 cards

thanks in advance

Offline vanark

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Re: ca 9100 battery life?
« Reply #1 on: January 11, 2012, 07:10:19 PM »
I think Chris has said around 30 hours. I use 20 hours although I use that gear less these days and probably change it earlier than that just because I'm not sure how many hours it had been.
« Last Edit: January 11, 2012, 07:12:10 PM by vanark »
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adrianf74

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Re: ca 9100 battery life?
« Reply #2 on: January 11, 2012, 08:47:12 PM »
I think Chris has said around 30 hours. I use 20 hours although I use that gear less these days and probably change it earlier than that just because I'm not sure how many hours it had been.

Strange, I've gone over 40 hours on one battery (Energizer Industrial 9V) and still had around 3/4 charge (from my days in TV, I've always changed batteries at around 50-60%).

Offline F.O.Bean

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Re: ca 9100 battery life?
« Reply #3 on: January 11, 2012, 09:38:05 PM »
I think Chris has said around 30 hours. I use 20 hours although I use that gear less these days and probably change it earlier than that just because I'm not sure how many hours it had been.

Strange, I've gone over 40 hours on one battery (Energizer Industrial 9V) and still had around 3/4 charge (from my days in TV, I've always changed batteries at around 50-60%).

I also change batts out before they are dead. Why push the limits, right? :) I was told around 30 hours for my old 9100. But I just used regular old Walgreen 9v's :)
Recording Rigs:
Schoeps MK4's & MK41's ->
Schoeps | NBob 250/0 KCY's ->
Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby XLR's ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 2x 64gb Ultra Plus

Portable Playback Rigs:
Campfire Audio Andromeda & Dorado | Westone (2nd Generation) UM Pro 30 IEM's ->
Linum G2 SuperBax & Bax |  2x CA/ALO SPC Litz | Sony MUC-M2BT1 LDAC MMCX Cables ->
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Offline lt-cartman

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Re: ca 9100 battery life?
« Reply #4 on: January 12, 2012, 02:50:53 AM »
thanks for all your replies.

toolman


Offline swordfish

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Re: ca 9100 battery life?
« Reply #5 on: January 12, 2012, 03:11:07 AM »
I am not taking chances...I change the battery for every show...but use cheaper batteries..

Offline Church-Audio

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Re: ca 9100 battery life?
« Reply #6 on: January 12, 2012, 07:03:07 AM »
I am not taking chances...I change the battery for every show...but use cheaper batteries..
Dont use cheaper batteries! Get rechargeable Maha 9.6 volt batteries. They are much better than using cheap batteries cheap batteries can be noisy...
for warranty returns email me at
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adrianf74

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Re: ca 9100 battery life?
« Reply #7 on: January 12, 2012, 07:53:39 PM »
I am not taking chances...I change the battery for every show...but use cheaper batteries..
Dont use cheaper batteries! Get rechargeable Maha 9.6 volt batteries. They are much better than using cheap batteries cheap batteries can be noisy...
+1.

The Industrial Enegerizer batteries were what I used to use back in my TV Audio days.  That said, they've always worked well for me.  If I ever went the rechargeable 9v route, I wouldn't consider anything other than the Maha's.

Offline swordfish

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Re: ca 9100 battery life?
« Reply #8 on: January 13, 2012, 02:11:53 AM »
I am not taking chances...I change the battery for every show...but use cheaper batteries..
Dont use cheaper batteries! Get rechargeable Maha 9.6 volt batteries. They are much better than using cheap batteries cheap batteries can be noisy...

Can somebody expalin that ..why cheaper batteries are noisy...I replace them every show and usage is about 3 hours the most....but I have a new energizer battery at home...I will test it at the next show....

Offline TimeBandit

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Re: ca 9100 battery life?
« Reply #9 on: January 13, 2012, 03:03:49 AM »
i use most time "normal" 9V Blocks but not the cheapest ones, more like Varta and so on ... never had issues.

if i didn't used the preamp long time i always used a new one.


maybebe i go the way with rechargeables too, i will record lots more stuff this year, so its the reasonable cheaper way imho ...
2015 rig: CA-11 -> CA-9100 -> PCM-M10
2016 rig: Sony PCM-M10 + SP-SPSB-4 microphone plug-in power supply +  SP-CMC8 with Low Sens mod
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video 2016: Casio EX-100 HS (same as Olympus Stylus1 - but much smaller - japan import not availiable in EU)

Offline Church-Audio

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Re: ca 9100 battery life?
« Reply #10 on: January 13, 2012, 03:02:21 PM »
i use most time "normal" 9V Blocks but not the cheapest ones, more like Varta and so on ... never had issues.

if i didn't used the preamp long time i always used a new one.


maybebe i go the way with rechargeables too, i will record lots more stuff this year, so its the reasonable cheaper way imho ...
varta make very good batteries so I would not consider them to be an issue it's the very cheap ones from china
for warranty returns email me at
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Offline swordfish

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Re: ca 9100 battery life?
« Reply #11 on: January 14, 2012, 11:59:59 AM »
I don't use batteries from China..batteries manufactord in Germany.....so far so good ...no provblems at all...

Offline daspyknows

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Re: ca 9100 battery life?
« Reply #12 on: February 15, 2012, 05:01:39 PM »
I've been buying US made Duracells in bulk.  $1.15/each in lots of about 100.  At that price no reason for cheap batteries

Offline F.O.Bean

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Re: ca 9100 battery life?
« Reply #13 on: February 15, 2012, 11:03:47 PM »
I've been buying US made Duracells in bulk.  $1.15/each in lots of about 100.  At that price no reason for cheap batteries

SCHWEET ;D
Recording Rigs:
Schoeps MK4's & MK41's ->
Schoeps | NBob 250/0 KCY's ->
Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby XLR's ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 2x 64gb Ultra Plus

Portable Playback Rigs:
Campfire Audio Andromeda & Dorado | Westone (2nd Generation) UM Pro 30 IEM's ->
Linum G2 SuperBax & Bax |  2x CA/ALO SPC Litz | Sony MUC-M2BT1 LDAC MMCX Cables ->
Shanling M5s & M0 | Sony NW-A35 DAP's

DAW:
Dell Inspiron 5570-5521 SLV Laptop
(Pentium i5 Processor/8gb RAM/256gb SSD)

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline LikeASong

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Re: ca 9100 battery life?
« Reply #14 on: February 17, 2012, 04:27:52 AM »
I've been buying US made Duracells in bulk.  $1.15/each in lots of about 100.  At that price no reason for cheap batteries

100 batteries for $115/90€, that's really an awesome deal :D Where have you got them from -if I may ask ?
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