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Marshall JCM 900 50 Watt Hi Gain Dual Reverb Head Model 4500.
Very nice shape, comes with a brand new footswitch.
These heads are killer tone machines and the 50 watt version is my personal favorite because you can get it cooking at slight lower volumes than its 100 watt brother.
Made in the 90s, these are getting harder and harder to find, especially in clean condition as this one is. Great amp for the dough!
Featuring 50watts (switchable to 25watts), this Marshall has a five-tube chassis, preamp: 3 x 12AX7s, power: 2 x EL34s, solid-state rectifier, pentode/triode output stage, two switchable channels with reverb on both. The front gold control panel features a single input jack with controls as follows:
Channel “A” Pre-Amp Gain Control sets the gain level for channel “A”. Lower settings give clean sounds – higher settings for medium drive and crunch rhythm. Reverb control Channel “A” controls the amount of reverb on Channel “A”, Master Volume Channel “A” Controls the overall volume level of Channel “A”.
Channel “B” Lead Gain Control Sets the gain level for boosted Channel B. Lower settings give slight overdrive – higher settings for maximum drive and sustain. Reverb Control Channel ”B” controls the amount of reverb on Channel “B”, Master Volume Channel “B” controls the overall volume level of Channel “B”. Channel “B” ON Push Switch/LED Indicates red when Channel “B” is selected either manually or by remote footswitch.
Footswitch Jack Socket Connects the remote dual footswitch for reverb ON/OFF and Channel A/B switching.
Treble, Middle, Bass & Presence provide a wide range of tonal possibilities for both channels.
The rear panel features: effects loop with loop level control, DI out, recording compensated DI out, two speaker jacks with impedance selector switch, high/low power mode switch, output valve protection fuse with LED.
This series of Marshall amps were produced from 1990 to 1998.
If you’ve owned Marshall Amps in the past or never had the ownership experience then consider this, you get an abundance of Marshall tone with a more moderate power output. Make no mistake; this amp can still rip your hair out if you have any left.
Weight lbs.: 38
Width in.: 29
Depth in.: 8.25
Height in.: 11.5
Rectifier: Solid State
Preamp: 3 – 12AX7
Power: 2 – EL34
Footswitch: Y 2 button