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Synergy Marshall JCM 800 Pream B-Stock

Synergy Marshall JCM 800 Pream B-Stock

B-Stock with Full Warranty
Return that may have slight traces of use.

Pre-Amp Module for Synergy System

Channels: 2
Synergy and Marshall have teamed up to create this preamp based on the Marshall JCM 800 (2203 / 2204 Vertical Input)
Built-in 0-watt power amplifier and phase inverter for an authentic amp feel
Cathode selector switch on the circuit board for adjustable tube reaction
Tubes: 3 x 12AX7
Controls: 2 x Preamp, 2 x Bass, 2 x Middle, 2 x Treble, 2 x Presence, 2 x Volume
Switch: 2 x High/Low Gain, 2 x Bright
Dimensions (W x D x H): 178 x 140 x 38 mm
Made in USA

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since April 2026
Item number 645671
Sales Unit 1 piece(s)

Also available as brand new product €499

€459

All prices incl. VAT

in Electric Guitar Preamps

Information on the disposal of old devices

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