The Limetone Audio LTV-30L-ilm is a compact volume pedal built on the BOSS FV-30L: Limetone Audio modifies the BOSS pedal with hand-wired, point-to-point wiring and adds a ten-step LED display of pedal travel on the side of the unit1. It is aimed at players who want a volume pedal that shows at a glance how far they have pressed it, and it comes in right-footed and left-footed versions1.
Power and connections
The pedal takes a DC 9V input with a center-minus (center negative) connector and draws a maximum of 90mA1. That current draw covers the LED display, so it is worth accounting for when planning a power supply's budget. Connections are INPUT, OUTPUT, and TUNER OUT, all mono jacks1. The tuner output lets you feed a tuner a constant signal while the pedal handles your level to the amp, a common arrangement on volume pedals with a dedicated tuner jack.
The LED display and its modes
A row of LEDs on the side of the pedal shows pedal travel in ten steps1. Earlier units offered a mode switch to choose bar mode, dot mode, or LED off, but from 2021 shipments that switch was discontinued and the pedal runs in bar mode only1.
If you are comparing used units, note that pre-2021 shipments may include the bar/dot/LED-off mode switch, while units shipped from 2021 onward are bar mode only1.
Where it comes from and how it compares
Limetone Audio describes the LTV-30L-ilm as a modification of the BOSS FV-30L, reworked with hand-wired, point-to-point wiring1. The maker says the sound is the same as the LED-less LTV-30L Version2, conveying string touch and nuance to the amp as is1. The FV-30L it is based on is a stereo volume pedal; JHS Pedals' buying guide notes that "BOSS carries stereo volume pedals, like the FV-30L, which are really great if you're using a stereo rig"2. The LTV-30L-ilm's jacks are all mono, so it is a mono unit despite its stereo-platform origin1.
Limetone Audio also builds the same illuminated concept in a larger format as the LTV-500L-ilm1. For other approaches to volume control, see the Volume Pedals type page.
Versions
- LTV-30L-ilm (Right-footed): the standard orientation, operated with the right foot1
- LTV-30L-ilm (Left-footed): mirrored for players who work the pedal with their left foot1
Videos
佐々木秀尚(Hidehisa Sasaki)
Official Limetone Audio
Questions
What power supply does the Limetone Audio LTV-30L-ilm use?
It uses a 9V DC supply with a center-minus (center negative) connector, and draws a maximum of 90mA. Because it needs external power for the LED display, plan your supply's current budget accordingly rather than sharing a low-current output with other pedals.
What is the difference between the LTV-30L-ilm and the BOSS FV-30L?
The LTV-30L-ilm is a modified BOSS FV-30L: Limetone Audio reworks the pedal with hand-wired, point-to-point wiring and adds a ten-step LED display of pedal travel on the side. The maker says it sounds the same as the LED-less LTV-30L, conveying string touch and nuance to the amp as is.
Does the LTV-30L-ilm have a tuner output?
Yes. It has three jacks, all mono: INPUT, OUTPUT, and TUNER OUT, so you can send a constant signal to a tuner while the pedal controls your level to the amp.
Is there a left-footed version of the LTV-30L-ilm?
Yes. The pedal comes in a right-footed version, LTV-30L-ilm (Right-footed), and a left-footed version, LTV-30L-ilm (Left-footed), so players can set it up for either foot.
Can the LEDs on the LTV-30L-ilm be turned off?
Not on current units. Earlier shipments offered a mode switch for bar mode, dot mode, and LED off, but from 2021 shipments that switch was discontinued and the pedal runs in bar mode only.
How much does the LTV-30L-ilm weigh?
It weighs 825g, with outside dimensions of 82mm wide, 192mm deep, and 58mm high.
Sources (2)
- LTV-30L-ilm, Limetone Audio, 2024
- HOW TO USE A VOLUME PEDAL, JHS Pedals





