Block Logo Envelope Filter
By Analog Man
An updated 1970s MXR envelope filter with an added emphasis knob and an up/down toggle for Mu-Tron-style reverse sweeps.
About this pedal
Analog Man’s Block Logo Envelope Filter starts from the classic 1970s MXR circuit and adds mods worked out by the DIY stompbox community. A third knob, EMPHasis, sets how extreme the sweep gets, and an up/down toggle adds Mu-Tron-style reverse-wah sounds. Analog Man notes the down mode can be noisy when you stop playing.
The first 100 were built on new-old-stock MXR boards. Since 2017 it has used Analog Man’s own better-shielded board, with true bypass, an LED and a 9V jack. It is known as an easy envelope filter to set up for reliable triggering.
Specs
| Based on | 1970s MXR Envelope Filter |
|---|---|
| Controls | Original controls plus EMPHasis knob and UP/DOWN sweep toggle |
| Bypass | True bypass, LED |
| Power | 9VDC power jack |
| Tariff surcharge | $10 per pedal |
Quick answers
- How much does the Block Logo Envelope Filter cost?
- Analog Man lists it at $235 (USD). Dealer and used prices vary.
- Is the Block Logo Envelope Filter still available?
- Yes. Analog Man lists it as a current model that's available to order.
- Who makes the Block Logo Envelope Filter?
- Analog Man. Where it's built: Handmade in the USA (Analog Delay and Prince of Tone are hand-soldered but not fully USA-built). It's listed here as an envelope filter pedal.
- What warranty does Analog Man offer?
- Analog Man warrants all pedals it builds or modifies for one year to the original owner. Pedals it sells but doesn't build or modify carry their own manufacturer's warranty.
- How long is the wait for Analog Man gear?
- King of Tone is sold only through a waiting list (email to join, see kingoftone.com); the list is very long and customers are limited to four KOT pedals total since 2016. Other pedals list their build time on each order page's availability line.