Here 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 the Lower 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' the Rate of Power Supplied to 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 the Rear 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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