Marantz 22xx Series: Stock Lighting vs LED Upgrade Comparison
What changes in brightness and color when you upgrade dial and meter lighting
Marantz 2220
Marantz 2230
Marantz 2235B
Marantz 2238B
Marantz 2270
Marantz 2285B
The Marantz 22xx series receivers are known for their iconic blue/green dial gauges, but
after decades in service, the original incandescent lighting behind those dials is usually dim,
yellowed, or already failed. Here's what changes — and what stays the same — when you upgrade to
an LED kit.
In this guide
What Stays the Same
An LED upgrade kit for the 22xx series is designed as a drop-in replacement for the original
lamp sockets — the dial glass, gauge needles, and overall layout are untouched. The kit replaces
only the bulbs themselves, so the receiver's appearance and mechanical operation are unaffected
beyond the lighting itself.
What Changes: Brightness
Original incandescent bulbs on units this age are typically running well below their original
output — filament degradation plus decades of dial glass yellowing compound to make most surviving
units noticeably dimmer than when new. An LED replacement restores — and in most cases exceeds —
the original brightness level, since LEDs don't degrade in output the way incandescent filaments
do over time.
What Changes: Color and Heat
The 22xx series' signature look depends on consistent, even illumination across the dial face.
LED kits are available in color temperatures matched to the original factory look, so the
characteristic appearance is preserved rather than changed. The other practical difference is
heat: LEDs run dramatically cooler than the original bulbs, reducing long-term heat exposure to
the dial glass and surrounding components.
For the broader case on why this upgrade matters beyond the 22xx series, see why original incandescent lamps should be replaced with LEDs.
Frequently Asked Questions
Will the LED kit fit other Marantz models besides the 22xx series?
This kit is matched to the 22xx series lamp sockets specifically. Check our LED kits catalog for kits matched to other Marantz model ranges.
Do I need to remove the dial glass to install the LED kit?
In most cases the original bulbs are accessible from inside the chassis without removing the dial glass, but always refer to your specific model's service manual before starting.
Ready to upgrade your Marantz lighting?
LED kits ship from Poland and are matched to the 22xx series lamp sockets — no soldering rework needed.
