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Old 23rd February 2012, 05:22 AM   #1
Awall is offline Awall  Canada
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Default Philips AG-9016 frequency range?

I'm trying to determine the frequency range of my ag-9016. it uses EL95 and ECC 83 tubes. From what i can find on the net, it can go as high as 20k hz but i can find the low end. Is it based on the tubes used? or the whole design in general. I'm a newb to tubes....


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Old 23rd February 2012, 05:44 AM   #2
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whole design. If you want you can approximate it from the schematic, but realistically, the speakers also affect it (due to loading).

Put it this way - if you are into dance or dub, you will need a separate ss amp for the woofer...
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Old 23rd February 2012, 06:02 AM   #3
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For what reason do you want to know? If you play it, you know it isnīt much lowend but has a very charming sound.

Philips where serious guys, accept what the spec says.
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Old 23rd February 2012, 06:48 AM   #4
Awall is offline Awall  Canada
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Well right now i have it hooked up to terrible speakers and they are all i have so it is hard for me to tell what the low end sounds like. At low volume, I can have the bass turned up about 3/4 on the tone controls and it sounds great whether i'm listening to the Beach Boys or electronic music. If i want any real volume the bass knob has to be about 1/4 to keep the speakers from eating themselves.

The reason I'd like to know is because I plan on building some efficient 2-ways for it. It would help in my choice for a driver.
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Old 23rd February 2012, 07:22 AM   #5
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The amp is 2W tops. You donīt need to know much else to choose a speaker. Itīs only about effiency. Sounding bad at high levels is due to heavy overloading.
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Old 23rd February 2012, 10:53 AM   #6
DF96 is offline DF96  England
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The low end is governed by coupling caps, output transformer, speakers etc. The valves themselves work down to DC. A low power amp like that will probably have a small OPT and not do much below about 100Hz. If you try to force it all you get is distortion.
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Old 23rd February 2012, 05:55 PM   #7
tricomp is offline tricomp  Denmark
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Read and weep....
TC: Philip AG9016 EL95 integrated tube amp - www.tube-classics.de

...or get out you soldering iron and fix it

rgds,

/tri-comp
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Old 23rd February 2012, 07:15 PM   #8
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Donīt weep, what the German site says is uninteresting! I still have one in my study, itīs really nice to listen to, even if not HiEnd at all. Just find a speaker with high sensitivity though.
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Old 23rd February 2012, 10:21 PM   #9
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Philips made a similar one that was P-P....

Now, That one really does sound nice. I borrowed one many years ago, and even running really poor speakers it sounded great!
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Old 26th February 2012, 12:55 PM   #10
tricomp is offline tricomp  Denmark
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Weep or not.
The really important thing is if YOU're satisfied with the sound.

For years I collected CD's like so many others; I selected them out of interest for the performer and from the numbers I'd heard on radio or TV.
What I bought sounded pretty good on my Solid-State stereo and I didn't really need anything better.
THEN I decided to build a tube-amp, just for the fun of it and to buy a couple of B&W book-shelf style speakers. Not absolutely top-notch but I imagined better than what I had which were vintage Pioneer HPM-900 and HPM-500. Well, the B&W's didn't sound much better on my Solid-State stereo so I was looking forward to the tube-project being finished.
When I finally finished building the amp (2C34/RK34-Push-Pull, 12W RMS, Stereo) and hooked it up to the new speakers I was in for a big surprice; The CD's sounded awfull. Well, SOME of them did and others (Like Eagles - Hell freezes over and Big Fat Snake - One Night in Sin) sounded like nothing I'd heard at home before. The music sounded like I was there on the stage with the orchestra. Bright, rich treble, natural vocals and the firm and potent Bass to match (12Watt, remember! Not a lot, but enough) Now 2/3 of my CD's aren't getting played anymore. I instantly hear the noise (hiss), lack of dynamics and dull vocals and I don't want to spend another minute with the record.

I seriously doubt you'll be able to experience anything like this with the AG-9016. The ECC83/EL95 combination is OK but it needs better output-transformers imo. ...AND you need sensitive speakers to live with less than 2W.

rgds,

/tri-comp

Last edited by tricomp; 26th February 2012 at 01:00 PM.
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