Home Past RAT Mods

Below are Some Past RAT Amps and Modifications.

 

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Below is a Tweed Custom Build. The Amp Chassis is an Epiphone Valve Junior V3 and Features -

1. Twin Output Transformers - 2x OPTs are Fitted with a Switch on theLower Panel to Select the OPT you want to use. This makes the Amp a lot More Versatile with two Completely Different Sounds Available. The Transformers are from a 'VJ V3' -and- 'BH5H'. The Output of the Amp is Nearly Doubled when the 'BH5H' OPT is Selected.

2. TRI Rectifiers - 3x Different Rectifier Options are Available Here - (1) Silicon Diode Rectifier- (2) 'EZ81' Valve Rectifier running at Half Power - (3) 'EZ81' Valve Rectifier running at Full Power. These three Settings operate in conjunction with the Variable 'SAG' Control to Produce the 'Instant' Attack Normally associated with Silicon Rectifiers -or- The 'Lazy' SAG Produced by a Loaded Valve Rectifier.

3. Variable 'SAG' Control - This Control uses 'Current Limiting' to Force 'SAG'in the Selected Rectifier. The Circuit 'Limits' theRate of PowerSuppliedto the Rectifier inducing the 'SAG' Effect.

4. Dual Output Valves - 2x Output Valves are Fitted in the Amplifier. An 'EL84' -and- '6V6GT'. With a Switch on the Lower Panel you can select the Output Valve you want to use.

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This Next Amp is a Customer Special Order. The Amp Chassis is a Blackheart BH5H and Features -

1. Twin Output Transformers - 2x OPTs are Fitted with a Switch on theRear Panel to Select the OPT 1 -or- 2. The 2x Transformers are an Epiphone 'VJ V3' and a 'Hammond 125DSE'.

2. Dual Output Valves - Fitted with an 'EL84' -and- '6L6GC'. Selectable with a Switch on the Rear Panel of the Amp.

3. Twin Rectifiers - Using Standard 'Silicon' Diodes -and- GZ34 'Valve' Rectifier. Selectable with a Switch on the Rear Panel of the Amp.

4. 'OPR' -and- Master Volume - Located on the Front Panel of the Amp.

5. Tweed/Rock Switch - Sets the 'Bias' on the Preamp Valve. Located next to the Input on the Front Panel of the Amp.

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