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I have a marshall 100w JCM 2000, DSL 100 Head, going into a 1960 A 4x12 cabinet. Which inputs and settings should i use on the rear of the amp in order not to damage it

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Most 1960 cabs have an option for 8 or 16 ohm... i dont think there is a 4 ohm option. The Jcm 2000 heads have the ability to do all three ohm setting. Thats all you really have to worry about. Make sure the ohms match up. The 1960 cabs typically have 4 t-75 speakers in them which are 75 watts each so wattage is not a problem. There is some argument about what ohms sound best. It doesn't really change that much in the sound in my personal opinion. I run mine at 16 ohms though cause i think it sounds brighter...

Posted on Apr 17, 2009

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My Marshal Amp MG50DFX sound is very soft even tho the volume is on max. when I switch on the gains circuit and turn up the gains control there is louder sound, but a humming niose also, what can the...


First of all please check your cables because this kind of problems mainly arise due to cable errors.Second solution is check your input.For an example try a another input from a DVD player or etc.Third solution is ,you have to check your amp's mic volumes,please reduce your mic volume fully.Check you equalizer too,Please check and inform me if it doesn't work

Sep 15, 2011 | Audio & Video Receivers

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QUESTION ABOUT SPEAKERS. SPRCIFICALY WOOLFER. WHAT KIND OF WOOLFER SHOULD WORK BEST WITH THIS AMP?


hi,
Do you mean sub woofer. Then you can select any brands Active sub woofer ( active means built in amplifier) to connect with your system. They comes in different power (watts). you can use an active sub woofer with 100W output.
connect the sub woofer pre out of you amp to the pre input of sub woofer.
ok

Feb 05, 2011 | Technics SA-EX500 Receiver

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Hi, I've a Marshall JVM410H which is connected to a Marshall 1960B cabinet. The problem is I can't take the volume up very much because there is so much distortion - the more I turn the volume up, the...


Hi-
It sounds like you have the same rig I do. I bought the JVM410h immediately after it came out. I'm a professional gigging musician, and it had the versatility I needed.
One of the first things I noticed was it's high gain structure. On my JCM800, I could crank the gain to 10, and get a great, "classic Marshall" overdrive tone. The gain structure of the JVM is more sensitive. I find myself not needing the gain knob any higher than 10 o'clock, in the RED modes of the OD channels.
The manual is very informative, though somewhat complex. I recommend watching this tutorial on it:
http://www.marshallamps.com/product.asp?productCode=JVM410H#
Click on the "THEATRE" link on the right.
I love my amp, but it's been in the shop twice already. Marshall's are known for being unreliable, and this is amp is in no way an exception. Be gentle with it! It's moody.
Best of luck, and I hope this helps!

Aug 25, 2010 | Audio & Video Receivers

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Would like to hook up two recievers to push all my speakers comfortably. I have a pioneer vsx d490 and a sherwood rd 6500. How wud i accomplish this?


I think you mean Pioneer VSX-D409.

Since the two receivers are similar and capable of driving everything else in the room, I guess you want to treat one receiver like a basic amp, like for a passive subwoofer, right?

However, still guessing your intent...

The VSX is a basic 5-channel amp (5 x 100w) but only has digital multichannel inputs. It has optical and coaxial digital inputs and an optical digital output.

The Sherwood has coaxial and optical digital inputs and no digital output, but it has analog inputs, so it would be easier to selectively use any or all of its amplifiers, which are about the same as the Pioneer's (gotta read the fine print - Sherwood uses a 6-ohm load instead of 8-ohm to get the numbers).

Choose the one you like to use for the control (master). Run its Sub Out to the other receiver's AUX input using an RCA splitter to feed both input channels. Attach the sub to one set of front speaker terminals. Configure theat receiver for NO SUB so it won't steal LFE from theis channel. Designate the FRONT speakers as Large.

Setup would be tricky because you have to choose a volume setting on the slave amp and stick with it. It might get changed after you set the levels and negate the setup efforts. OTOH, you would have the flexibility to change it independently if desired.

My $.02... If subwoofer power is all you need, why not just get a nice Carver 2-channel amp on eBay (2x100w would suffice), bridge it to 200 watts and blow the house up, figuratively? Then you could redeploy or sell the unused receiver.

Jan 18, 2010 | Sherwood RD-6500 Receiver

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I have a Holden Wasp XL base amp. 100 watt?? Quite old, 70's ish. CAn you tell me how many and what size speakers it will run. Thanks, Lance


hell yer, built in New Zealand... or Aussie, cant remember. Best sort of speaker box for bass is 4 x 10inch quad box. Next. a single 15 inch, or use both together. The head you have I think was more of a PA system than a bass amp, but will certainly do the job. So long as you are not trying to keep up with a Fender twin, or a Marshall stack. 100 watts don't go far for bass. I would go for the single 15 inch driver to more the most air.

regards
robotek

Jul 06, 2008 | Audio & Video Receivers

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SX-1600 + KD-491F


Appreciate the additional information.

To recap what you need is a receiver that can accommodate:
4 - Pioneer S-DF1-K (15-100W, 8 ohms)
1 - Pioneer PD-F407 25 Disc CD Player
1 - Pioneer CT-300 dual tape deck
1 - Kenwood KD-491F turntable

Possible choices are (keeping in mind that the power output should be less if not equal to 100 watts and a turntable/phono input):
i. Onkyo TX-8522 Stereo Receiver;
ii. Yamaha RX-397 100 Watt Natural Sound AM/FM Stereo Receiver;
iii. Sony STR DE695 AV receiver;
iv. Teac AG-790 200 Watt Stereo Receiver;
v. Denon AVR 888 - AV receiver - 7.1 channel.

Some of the above also includes feature(s) to hook up to your video system. Some may even require a fifth speaker (subwoofer).

Incidentally, you can also choose another brand/model even without a turntable/phono input. As initially posted, a turntable/phone to line level pre-amplifier is only required. Here are some examples:
a. XP200 Turntable Preamp - Nano Series;
b. Pyle® Pro PP999 Phono Preamplifier;
c. Pro-Ject Phono Box Turntable Preamplifier;
d. Radial J33 RIAA Turntable Preamp Direct Box

Good luck with your project.

Apr 29, 2008 | Audio & Video Receivers

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Car amplifers,,,,kicker amp's RCA jacks!


You could do a couple things if your head unit has all three outputs, then take them and hook them into the inputs. If you have just the front and the rear outputs, hook those to the inputs front and rear. Then hook the output of the 4 channel to the input of the mono block. I hope this helped
-Andrew Hawkins

Mar 28, 2008 | Audio & Video Receivers

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How do i install a subwoofer and amplifier to an exhisting car audio system


Hi,

The basic would be to wire the sub amp to your batteries with the trigger/remote wire powered by your car stereo/head unit. When your head unit is turned on it will in turn power up the sub amp. Of course the sub woofer need to be wired to the amp. For the signal/audio wiring, normally, the head unit has a stereo RCA female connectors at the rear intended to be connected to external amps through a pair of shielded/audio cable terminated both ends with RCA males. Some units have a special RCA specifically for subs. Most eternal amps also uses RCA for their inputs.

If the existing car audio system has already an external amp and your plan is to add on to this, the audio/signal from the head unit could be split to provide both for the existing and the new sub amp.

If the existing car audio does not have an external amp and their are no RCA connectors at the rear of the head unit, it is still possible to connect an external/add on amp by using an adapter that connects to the speaker wires of the head unit and converting it out to line level (through RCAs) appropriate for the input of the amp.

Hope this be of help/idea. Pls post back how things turned up or should you need additional information. it would also be nice if you can post brand/model of your head unit and intended sub amp.

Good luck and kind regards.

Jan 23, 2008 | Audio & Video Receivers

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