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PostPosted: Thu, Apr 30, 2020 12:17am 
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Hack

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Hey All,

First post here so sorry if this has been answered to death. I recently got an older Bogner 101B and was wondering what modifications were available for the amp. I have seen the Marvel mod for the red channel and some people make the red more of an extension of the blue. I was just wondering if there were any other notable ones? Thanks for your help.


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PostPosted: Sat, May 09, 2020 6:18am 
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Journeyman NOOB
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See this thread, where my modding process is described: viewtopic.php?f=59&t=116020

Final list of mods done by me:

1) Mercury Magnetics transformers
******************************
2) TAD/Mojo Dijon dirty signal and tone caps (stock are WIMA's)
3) ERO/Roederstein MKT1813 cathode bypass caps (stock are Evix MMK for 1st gain stage, tantalum for Structure and MF for Factory Gain Mod)
4) Mallory 150 PI output caps (stock are WIMA's)
******************************
5) R6 1st gain stage SPDT 2-way switch: 820R//0.68uF | 1.5K//1uF (switch between stock and modded values)
6) R11 2nd gain stage: 2K7//2.2uF (stock is bare 4.75K resistor)
7) R43 Structure resistor – 20K (gives stock 2.38K total cathode resistance in H Structure position switch)
8) C2 Structure cap removed (no need of this as cathode bypass cap is solder fixed to R11 resistor)
9) R12 3rd gain stage for Red bypass SPDT switch: .22uF+2.7K | -- | .68uF+10K (Marvel Mod)
10) R19 3rd gain stage for Blue and 4th gain stage for Red bypass SPDT switch: 1uF | -- | .68uF (aka Plexi Cap in some other amps)
11) C224 1nF dirty Boost cap removed
*******************************
12) C1 1st CC cap – 2.2nF//2.2nF (not a mod actually, stock is 4.7nF)
13) C23 & C24 PI output caps – 47nF (stock are 100nF)
*******************************
14) C40 470pF Excursion cap removed
15) R62 L Excursion resistor –> 1M linear pot // 320K resistor = ~250K (Poweramp Resonance Pot)
16) Resonance cap SPDT switch: 2.2nF | --- | 470pF (switched to 470pF goves stock config)
********************************
17) dirty Treble linear pot (stock is audio/log)
18) 10K Presence pots (stock are 25K)

Regards, Andy :)

_________________
*modded* Bogner Ecstasy 101B
*modded* Marshall JVM410H
*modded* Engl Invader
Marshall 1960A G12T-75
NoisyBox 4x12 G12T-75
Bogner 2x12OS V30
Gibson Les Paul Custom "Black Beauty"
Various Fender Stratocaster guitars
Line6 M9
Empress Buffer+
Korg Pitchblack


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PostPosted: Thu, May 21, 2020 11:30pm 
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Plank Cranker Wanker
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Andy,
Great to see you posting here again! Yuch a great resource for the Ecstasy.

We need some clips of you/your band.

Ron

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Ron Dodson
Dallas, TX
Romans 9:16
http://www.youtube.com/user/iamrondodson
Bogner 20th XTCb, Synergy Syn50, Fender Deluxe Reverb, BOSS Katana 100 Combo
Bogner 2x12 Non-OS (SB M75-65), Bogner Ported 1x12 (SB M75-100), Bogner Ported 1x12 (SB H75-65)
Fender CS '52 Tele, Fender CS '54 60th Anniversary Heavy Relic Strat, Gibson CustShop '64 SG, Charvel Employee Dinky Mutt, Charvel ProMod, several partscasters


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PostPosted: Fri, May 22, 2020 12:16pm 
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Thanks Ron :)

I rarely use Bogner on stage these days but here are some clips from Bogner days. These are done AFAIR after basicly all mods done and my final tubes lineup were NOS Tesla EL34's, Phillips & Tungsram ECC83's on V2 & V3 gain stages, chinese in V4 and Sovtek LPI in PI (Tesla E83CC goldpins in V1 & PI in "Medley").
I used to use then LP Custom with 498T+490R uncovered pickups (EVH Wolfgang pickups in "Medley").

Medley https://www.youtube.com/watch?v=tHU0Lnbvn4E
Dio - Holy Diver https://www.youtube.com/watch?v=G8XSGPvElNE
Black Sabbath - I https://www.youtube.com/watch?v=MJeGzmjPXa8
Whitesnake - Love Ain't No Stranger https://www.youtube.com/watch?v=jQtclzu2U5k

And something from our tunes, but in polish, sorry :):
https://www.youtube.com/watch?v=p1qP4QtKSLw
https://www.youtube.com/watch?v=P8KIR7tThhw (studio recording using Bogner)
https://www.youtube.com/watch?v=_LonGx1IRBM (studio recording using Bogner)

Enjoy :)

_________________
*modded* Bogner Ecstasy 101B
*modded* Marshall JVM410H
*modded* Engl Invader
Marshall 1960A G12T-75
NoisyBox 4x12 G12T-75
Bogner 2x12OS V30
Gibson Les Paul Custom "Black Beauty"
Various Fender Stratocaster guitars
Line6 M9
Empress Buffer+
Korg Pitchblack


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