Recent Posts

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21
Randall Solid State Amplifiers / Re: Rh100 issue
« Last post by Alipaymax on April 30, 2018, 04:16:38 AM »
If you have good information like this, share it. Do not forget to call me. I like this story very much.
22
General Discussion / Signature cabs
« Last post by hellride on April 29, 2018, 02:49:39 PM »
Hi!
New here!

I’ll shortly (as fast as my wallet allows me) get me a LB103 and I wonder why the LBX412 cabs are so rare. Anyone that knows?
I don’t think they sounded bad so I’m curious. I suppose they had the Eminence Super V speakers in them.

Saw a video with Ola Englund the other day and he claimed that there are SATAN cabs aswell and that they’re so rare that even he hasn’t got one.

Why are the sig cabs so rare?
23
Randall Solid State Amplifiers / Re: Old Randall RG-300 info for a beginner
« Last post by Lovening on April 27, 2018, 05:23:27 AM »
  Old Randall RG-300 info for a beginner This is my interest and persistence. I like it very much.    ไฮโลออนไลน์
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Randall Solid State Amplifiers / Re: RX120 cut out and quit completely
« Last post by Phillnut on April 19, 2018, 02:01:52 AM »
I want to quit smoking. what should I do I do not want to smoke it anymore.
25
Randall Tube Amplifiers / Re: RT100 Pre Amp Valves
« Last post by Phillnut on April 19, 2018, 02:00:58 AM »
I'm wanting to change the valve. Can you recommend me?
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Randall Solid State Amplifiers / Re: RX120 cut out and quit completely
« Last post by nuning on April 11, 2018, 03:11:54 AM »
 RX120 cut out and quit completely. I want to do this.        royal1688 
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Randall Solid State Amplifiers / warhead X2 Schematcs Help
« Last post by martinomma on March 31, 2018, 03:36:07 PM »
Hello to all . for some time my beloved x2 sounds very bad. I would have to recover the schematics to try to solve the problem. has anyone already had problems with this head?
28
Randall Solid State Amplifiers / Amp/Cab Ohm Matching - Please Help
« Last post by metaldome on March 28, 2018, 07:42:19 PM »
1) So I bought a Randal RG100ES amplifier head and from what I can see it has two 8 ohm outputs on the back. In the manual it says "Less than 8 OHM load impedence is not recommended" but then in the specifications it says "120 watts RMS @ 4 ohms" and "80 watts RMS @ 8 ohms." Why is it listing watts @ 4 ohms if less than 8 ohms is not recommended?

2) I also bought a Randall USM-RV412S 270 watt speaker cabinet, it has a switch on the back which can be set to stereo (two 8 ohm inputs) or mono (one input is 4 ohms and the other is 16 ohms). I believe it would be alright to connect the 8 ohm amp output to the 16 ohm mono cab input, correct? If so how many watts will I be getting?

3) What are my other options? Is it safe to go from an 8 ohm amp output to the 4 ohm mono cab input? Is there any way to make the cab 8 ohms to match the amp? I believe if I switch to 8 ohm stereo each input will only power two of the four speakers? Could I run two speaker wires, one from each 8 ohm amp outputs to both of the stereo 8 ohm cab inputs? How would that affect wattage?

Thank you for any help!
29
Randall Tube Amplifiers / RT100 Pre Amp Valves
« Last post by scottravenhill on March 19, 2018, 06:59:54 AM »
Hi Guys,

This has probably been asked a million time so sorry for being such a noob!

I purchased my first all tube amplifier last year, the RT100H.

I've had a lot of fun with it so far and did the pre amp tube swap mentioned in other posts, (p2 & p5 including covered valve) or (p1 & p4 excluding covered valve)

Anyway, recently I'm getting a lot of loud microphonic noise in the clean channel, so I figure its time for a set of new valves rather than just one, as I bought the amp second hand and have no idea how old they all are. I am also not sure if I need to replace the input valve or just the 4 uncovered valves?

I'm really looking for reccomendations of that to replace them with. There are so many options available its all a little overhwleming to be honest! I have been looking on http://www.hotroxuk.com/matched-valves-links-page-12ax7-6l6-909-0/preamp-valves-12ax7-ecc82jj-12ax7m-hot-rox-uk-1885-0.html

Any help would be greatly appreciated!

Thanks in advance!

Scott
30
General Discussion / Irvine,CA hardrock model!
« Last post by Boomarang on February 26, 2018, 06:51:16 PM »
I can not find a year on this. I also have never seen a hardrock. Can anyone tell me about this? I have a ton of pics but do not know how to post them on here. Please help:/
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