Jakkeko

Does anyone have hands-on-experience with this? I suddenly want one but I got my doubts also.

And here's some more samples for you to watch... [url="https://www.youtube.com/watch?v=SpxRKkb2Hm4"]https://www.youtube....h?v=SpxRKkb2Hm4[/url]

Hi guys. I haven't seen this post before, but I hope you enjoyed the video on YouTube. There will be an other set of 3 videos "soon"… Or later. But anyway. I'm still trying to source the some more amps for that. But this time it won't be a blind test. Too many confusions in the YouTube comments. Here's the first 23!!! amps in SoundCloud. Please feel free to browse. https://soundcloud.com/jakkeko/sets Cheers, -J

[quote name='Mr. Foxen' timestamp='1380903512' post='2232277'] Best call matamp with the serial, they'll tell you everything right. [/quote] I actually asked it via email... [quote] ... It has ECC81-ECC83-ECC81 preamp tubes in it... Most likely stock but I was just wondering is this the way it should be? Can ECC83 be used instead of the 81 in V1 for more gain? -J [/quote] [quote] Hi J, The answer is yes CHEERS LIZ @ MATAMP [/quote] Yes to all? Maybe... Hehe. You can really count on their replys.

[quote name='Mr. Foxen' timestamp='1380834324' post='2231425'] What's in V1 now? Be surprised is an ECC83 isn't stock. Better off having Matamp mod it for more gain. [/quote] Mine had (and still has) an ECC81 in V1 and V3. V2 is ECC83. Not sure if it is the stock configuration as I bought the amp from the market place on BassChat. Does anyone know what is the stock tube configuration? Sending it back to Matamp is not my first choice as I'm not living in UK.

Has anyone tried ECC83 as V1 in the 1st gen?? GT200 (classic matamp controls, drive - depth - bass - treble... no mids)? I'd like to get a little bit more gain from the preamp as I'm now boosting it with the booster. The new GT200 seems to have 2 ECC83's in the preamp... But the circuit has to be completely different anyway. So ECC83 or the booster... That is the question.

An old topic but anyway... The T90 is also featured on this demo... Can you spot it? http://www.youtube.com/watch?v=erSHiJeG8JM

[quote name='UncleMeat' timestamp='1297185299' post='1120299'] I've got an IBS 4 x 10 cab. Its surprisingly good, took me ages to find out what it was, never seen a Marshall bass cab like it. Would love another one, or the 2x15 or 4x12 to go with it. Any ideas? Do you have any of this gear? [/quote] Late reply... Sorry about that. I actually have IBS 2x15" and 4x12". 2x15" is with original Sidewinders and the 4x12" has two non-original sidewinders and two Eminence Tonkers. These cabs sounds like Marshall cabs... Not the deepes or richest bass tone, but a great tone for distorted rock etc. The 4x12" has good cleans too if the amp and the settings are "suitable" for the cab. I've been using them with Orange AD bass head, 70's DR201 and 70's JMP 1986 bass head. With more modern heads like JCM 800 bass... Well not my cup of tea.

I got some of the codes from Celestion. I still don't know about the 15" codes but here's all the 12" codes I got, in case someone needs these: BASS (only two models) T3865, 12" / 8 ohm / 150w / sensitivity 98 dB / cast chassis / cloth edge T3866, 12" / 16 ohm / 150w / sensitivity 98 dB (not 100% sure about this) / cast chassis / cloth edge [b]edit. The sensitivity might actually be 101 dB in both cases (T3865 and T3866)... I'm not sure about this anymore.[/b] And the LEAD versions: T3771, 12" / 8 ohm / 150w / cast chassis / paper edge T3772, 12" / 16 ohm / 150w / cast chassis / paper edge T4361, 12" / 8 ohm / 150w / pressed steel chassis / paper edge T4362, 12" / 16 ohm / 150w / pressed steel chassis / paper edge I think that the sensitivity of these LEAD speakers is 101 dB. I'm not sure about his neither but I think that there is only 4 different versions of the 15" Sidewinder... "normal" 8 ohm and 16 ohm and High Sensitivity 8 ohm and 16 ohm. All with cloth edge and cast chassis.

I've been asking about these before, but since I haven't found any real answers yet I'll try again... There has to be someone here who knows something about these woofers. I'm interested in the bass versions which were used in Marshall IBS cabinets. I did some searches and found out that there is four versions in 12" / 15" sizes. 12" S12-150 PaperEdge (cast and pressed chassis versions) LEAD S12-150 ClothEdge (cast and pressed chassis versions) BASS 15" S15-250 ClothEdge (cast and pressed chassis versions) S15-250 HighSensitivity ClothEdge (cast and pressed chassis versions) And of course there is also 8 and 16 ohms versions, so that makes total of 16 different woofers. What a mess... I found the following codes: S12-150 T3771 (8 ohms, 12") S12-150 T3772 (16 ohms, 12") S12-150 T3865 (8 ohms, 12") S15-250 T3925 (8 ohms, 15") S15-250 T3840 (16 ohms, 15") That's all I know so far... So I need help to identify these woofers. If anyone could match even one of these, I would really appreciate it. I think... I THINK but I'm not sure that the 12" T3771 and T3772 are the LEAD versions and T3865 is the BASS one... But with cast or pressed chassis... I don't know. Only thing I know for sure is that the 15" ones are both BASS versions since there is no 15" LEAD available.

Found one finally. Now I just need those Sidewinder woofers... Has anyone seen those been for sale?

Hi, Thanks for the info. It helped me at least a bit. I read the history part from the hiwatt.org and yes... It explained most of the stuff. The things is (which some of your posts already answered) that I'm really interested to know how good clones these new amps are (modern Music Ground made Hiwatts, Weber MyWatts, etc.). I personally do believe that current Hiwatts and Weber MyWatts are good amps... And it is a fact that building a re-issue is a really hard 'cause you can't get those old-school components anymore. Re-issue is a re-issue. But I'm delighted to hear that the current re-issue Hiwatts are true to the old models as far as what comes to manufacturing (hand build in UK). So one might say that the current Hiwatts and other clones are decent (or excellent) amps and has the same basic idea then the old ones had (with some modifications) but they don't have that old school magic made by the original components? Has anyone actually been able to test an original and current Hiwatt side by side?

I've seem that hiwatt.org before but at least as I scrolled it through quickly, I didn't find any detailed information about the current amps. And I know that the old British are all quite similar but what about the old Hiwatts compared to the current ones?

Tell me, tell me... All about the Hiwatt bass heads. Where are the current models manufactured? Are they PTP or PCB? How much difference there is between the old DR -models and the new Custom/DR -models? And what about the difference between DR103 (guitar?) and DR 201 / DR 405 (bass) -models. How long have these bass models been available? I've seen Hiwatt bass amps from the 70's. And how has these older DR models developed into these current models? It seems that the old ones as the new ones are using KT88 tubes but some models have EL34s. And I've seen DR201 with only 2 inputs (without brilliant inputs). I haven't yet been able to find decent Hiwatt "bass history". -Jaakko

[quote name='umph' post='962186' date='Sep 20 2010, 04:18 PM']can i ask how you find the tone stack on the marshall? it's one of the few valve heads with a proper active one and i'm doing something similar with the next head i'm building for myself[/quote] It's a good amp. I got two other amps too (Orange and EBS) and they all got their unique features as well as pros and cons. I personally prefer simple amps which makes my EBS T-90 head a great amp. But it doesn't have the gain or mid frequency control so it doesn't fit every situation. The Orange has all the basic controls as far as I'm concerned (gain - bass - middle - treble - volume) and I really like that amp too. But even thou I got those two great amps I wouldn't sell the Marshall 'cause that one is also a great piece of an equipment! Marshall is also missing the gain control but it has that active EQ section as you mentioned. As I said I personally prefer simple amps so that's why this really versatile control section is not my favorite. But what comes to the tone I got nothing to complain. It works well for the bass and for guitar. I don't need for example the slope control with the bass but a friend of mine who uses the same amp for guitar told me that it's a good function with the guitar. I believe that you can find the blueprints for this amp quite easily so I would say that it's worth building. And as you are building it by yourself you can do the modifications etc. the way you want them to be. So give it a go. BTW my Marshall head is running with 6L6 power tubes. Also something worth trying if you use the amp with bass. [b]And about the cabinet I'm searching...[/b] There is at least four different "JCM 800 Bass series" 4x12" cabinet models. Original JCM bass series (manufactured in 1980-1986) had three models (14" deep) and then IBS cabinets (manufactured in 1985-1993) has this one model I'm searching for. And I believe that they are all labeled as "JCM 800 Bass series".

Come on guys... Someone has to have one of these beasts?? Right?? The cabinet can't be this rare...