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I now manufacture and sell custom built stereo plate reverbs for the modern recording studio environment. The 6′ JML Plate reverb costs $4995 and other sizes are available upon request in any color stain you choose.
DESCRIPTION:
This unique custom designed plate reverb is a culmination of decades of experimentation and plate reverb study. This incredible sounding plate reverb is highly versatile and features stereo hand built high-end buffered active/48v+ powered piezo contact microphones, a unique dampening system, a genuine 50W Visonix Ghost Audio Transducer and a Class D 100W Hi-Fi amplifier.
The unit also features 2 sets of caster wheels: 4 on bottom and 4 on the back to stand the unit upright in a tight space as shown. It is made of high end premium wood and stained with the same amber shellac EMT used, in the 50’s and 60’s, as a nod towards the original German aesthetic. It is lined with .5″ acoustical absorption foam which is designed to keep unwanted vibrations from entering the chamber.
It boasts a hand-tuned 50×26” galvanized steel plate (1/64” thick/18 gauge steel which is the same as EMT used). This differentiates between other plate reverbs because it is not cold-rolled steel, and therefore will never rust nor need to be maintained for rusting.
The box measure 40x50x9” and can easily stand either horizontally or vertically for convenient placement in your space. Note that it requires a dead quiet space to operate properly.
INPUT AND OUTPUTS:
The JML Plate reverb utilizes a mono balanced XLR-F input and stereo XLR-M outputs. While you can technically use an unbalanced input, keep in mind output will be hotter and more prone to distortion. Bluetooth is available upon request for an additional $200 fee.
SPECS:
1. Mono digital Class D Hi-Fi 100W amp specs:
Iconic TPA3116 amp IC, Hi-Fi class D amplification, max output power can reach 100W(4Ω load) which can easily drive the Vidsonix Audio Transducer to full-frequency output and then some. This unique setup yields full-frequency (20-20,000Hz) which replicates the full spectrum of human hearing.
2. Visonic Ghost Audio Transducer Specs:
Frequency Response: 100 – 12,000Hz – Impedance: 8 ohms
Max power: 50W (do Not overdrive the transducer with the installed 100w amp to full output. Do not exceed 50% volume otherwise damage may occur).
3. The Piezo Pickup Specs:
Balanced Buffered Contact Mics contain phantom-powered circuits that balance the signal from a piezo transducer and matches its high output impedance to the low input impedance typical of consoles and recorders for use in your recording studio. These are far more quiet and have far better output quality than any other piezo you may have used in the past. These hand built mics allow for wide bandwidth (~20Hz-20kHz), low signal losses, and extremely high signal to noise ratio, unheard in all other plate reverbs available today. See last two images for schematic and PCB layout.
4. Lid and Dampening System:
The lid locks and seals into place with two screws. It sits flush on six inner wooden lid mounts. The plate is suspended by 22 springs and the metal frame is floating, suspended on rubber feet to further dampen incoming vibrations. Like all plate reverbs, it will need to be stored in a dead quiet room, away from people and speakers that can transmit vibrations to the hyper sensitive surface pickups.
The dampening system is simple and can reduce longer decay times by turning the dial to the left. However, it is best left wide open and processed in parallel with the dry source as the amplitude of the wet signal creates the illusion of longer or shorter decay times. However, the dampening system is there to fine tune the decay when need be.
CUSTOM ORDER TIME:
Please note these are built to order with a 1-2 week turnaround. Pickup is recommended and available 15 minutes from Manhattan NYC. Wood stain colors may be customized per request in advance (all colors available upon request). Once purchased, no returns or refunds will be available under any circumstance. All JML Plate Reverberation Units come with a three month warranty on parts and labor. Power supply and two XLR output cables are included.
AVAILABLE SIZES:
While we tested and built these in all different sizes, we found this exact size to be optimal for today’s studio environment. It’s also a much more palatable size format than a 10’ EMT yet sounds just as good in our opinion. However, as you can see in the very last photo, I also build smaller format versions for home studios if need be. They are also about $2500 cheaper but they do not sound as full as this model. I can build these at any size you require however this size tested optimal in both output and sound quality.
SHIPPING AND PICKUP:
Pickup Is greatly preferred as this is 3’x6’ and will require crate delivery at a very high cost to you. It will be insured for 100% of the value but safe delivery cannot be guaranteed due to transit and handling. If you are near the east coast it is highly recommended you come and pick it up in person at JML Recording Studios.
Any questions please ask. Thanks for reading the Lutz Multimedia blog and have a wonderful day!
VOCAL DRY
VOCAL WET (JML PLATE ONLY)
VOCAL DRY PARALLEL WITH PLATE REVERB
DRUMS DRY
DRUMS WET (JML PLATE ONLY)
DRUMS DRY PARALLEL WITH PLATE REVERB
TRUMPET DRY
TRUMPET WET
TRUMPET DRY PARALLEL WITH JML PLATE
ELECTRIC GUITAR DRY
ELECTRIC GUITAR WET
ELECTRIC GUITAR DRY PARALLEL WITH JML PLATE
What you’ll need: Make sure to tune one string at a time. In order to do this, you
Salt Zine is a wildly creative independent DIY zine from NJ by multi-instrumentalist and multi-media artist JML.
