GDS Amplification

Parts

 Purchase GDS 18W and 36W Chassis and transformers here;

Chassis with Transformers

1. 18W Combo Chassis plus Transformers

$340- includes free continental USA S&H

Combo chassis, top plexi panel, and transformers. Choose tremolo or TMB plexi panel

Plexi Panel?

2. 18W Head Chassis plus Transformers

$370 – Includes free continental USA S&H

Head chassis, two plexi panels, and transformers. Choose tremolo or TMB plexi panels

Plexi Panel?

Chassis

3. 18W Combo Chassis

$120 Includes free continental USA S&H

Bare chassis for a combo amp, includes plexi panel. Choose Tremolo or TMB

Plexi Panel?

4. 18W Head Chassis

$150 includes free continental USA S&H

Bare chassis for an 18W amplifier head, Choose Tremolo or TMB plexi panels.

Plexi Panel?

5. 18W Single Channel Chassis plus Transformers

$320 – includes free continental USA S&H

Single Channel chassis, front and back plexi panels, and transformers.

6. 18W Single Channel Chassis only

$100 – includes free continental USA S&H

Single Channel chassis, front and back plexi panels.

GDS S/C Chassis w/ plexi panels

7. 45W Chassis

$150 Includes free continental USA S&H

Aluminum chassis for an early JTM45-style amplifier, includes front and rear plexi panel. Uses internal corner gussets to attach chassis to cabinet.

Plexi Panel?

Transformers

18W GDS/Heyboer Transformer Set

$220 Includes free continental USA S&H

The original and the best custom wound transformers for the 18W amps, includes both the power transformer and the output transformer. The Output transformer is reverse engineered from the original Radiospares output transformer but updated to be more convenient for modern amplifiers. This is the output transformer that the whole 18watt renaissance was founded on since 2000 when the 18watt group started. (You may purchase power or output individually below.)

18W GDS/Heyboer Vintage Transformer Set

$260 Includes free continental USA S&H

The original and the best custom wound transformers for the 18W amps, includes both the Vintage power transformer and the fantastic Vintage output transformer. The Output transformer is an exact replica of the original Radiospares output transformer as found on the original 18 watt amplifiers. This output transformer has a tagboard on top, multiple secondary windings and the unused ultralinear taps on the primary side.

18W GDS/Heyboer Power Transformer

$135 Includes free continental USA S&H

Power transformer only

18W GDS/Heyboer Standard Output Transformer

$100 Includes free continental USA S&H

GDS/Heyboer output transformer only.

18W GDS/Heyboer “Vintage” Output Transformer

An exact replica of the original Radiospares output as used on the original 18watters.

$135 Includes free continental USA S&H

GDS/Heyboer Vintage output transformer only.

36W GDS/Heyboer Transformer Set

$290 Includes free continental USA S&H

Made by legendary Heyboer Transformers, this set fits the GDS 18W chassis perfectly and includes the power transformer and the output transformer. Suitable for use with four EL84s and four or five 12AX7s.

36W GDS/Heyboer  Output Transformer

A 36W (4k primary impedance) version of our famous 18W OT.  Works great with four EL84s.

$130 Includes free continental USA S&H

GDS/Heyboer 36W output transformer only.

36W GDS/Heyboer  Power Transformer

A 36W version of our famous 18W PT.  Works great with four EL84s and has additional current capacity for additional filaments and an additional 12AX7 in case you wish to add more circuitry.

$170 Includes free continental USA S&H

GDS/Heyboer 36W power transformer only.

Order securely online from GDS Amplification using PayPal with your credit card or bank account.

• Amplifer build times typically range between 4 and 6 weeks.

• All items ship FOB from Flint, Michigan, USA. Contact us for an exact shipping quote on your order.

• Questions before ordering? Check the FAQ or contact us for help.