4fb2a1c reverb tank driver

Its a great time to upgrade your home music studio gear with the largest selection at. I recommend the mod series reverb tank for your fender tube amp. The reverb tank mounting plane that results in this ideal transducer orientation is referred to as vertical connectors up. However i have always hated the pathetic reverb from the factory reverb tank. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. Add only the numerical characters of the item number.

The unit mounts horizontally to the floor of a cabinet with the open side down. The tank for a fender has a much lower impedance on the input. The tank for that amp is the 4fb2a1c with an input impedance of 1475ohms and. Perfect replacement reverb tank for my fender 65 princeton reverb reissue.

From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. Its giving me that warm tone that i was looking for. The reverb tank should be isolated from vibrating surfaces as much as possible. Accutronicsbelton reverb tanks for fender amps and also marshall, laney, marshall, peavey, hot rox uk. Classic tube reverb and tremolo unit carls custom amps.

The lushest spring reverb i have ever used is the one built in to my garnet rebel reverb head. These tanks are designed to replicate the sound of vintage reverbs and are great replacements. The 12au7 driver may be overloaded driving into such a low impedance. The reverberation effect is created when an audio signal created by a transducer is sent through one or more springs, the movement of the springs is then converted back into an audio signal by another transducer at the other end, creating the unique sound. Accutronics 4fb2a1c accutronics reverb tanks amp parts. Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4ab3a1b. The tank is physically smaller than the one in my garnet sessionman as well as the traynor, but the reverb is much nicer deeper, lusher, chimeier. Each digit in the part number represents a specification. Posted by allan on 2019 dec 9th excellent replacement for fender deluxe reverb reissue. Anyone know a place to buy a vintage fender reverb tank. The reverb is secured to the frame with four screws, sometimes it is. Actually, if the test tanks grounding scheme doesnt match the design parameters of the driver and recovery circuits, the reverb likely will not work at all.

Reverb tank input ohm reading behind reverb tank white input jack are green and white wires. A finer quality item than the stock ruby reverb tank. Also the springs slowly stretch under their own weight and foul the chassis. I really like the ampeg reverb and have used this circuit in a few builds. So pleased to find a unit with postreverb bias vary tremolo. I hate the hum im getting from the mik accutronics tank that came with it. This tank give me the type of luscious reverb you get from a fender amp. I finally ran across that addon reverb circuit and tank that i removed from some old tweed. I replaced the original accutronics reverb tank in my 1967 princeton reverb with this one. Use this guide to help you determine part number based upon your specifications and application. More information on reverb tanks is also available at rod elliots site. We provide a webboard for help with kustom gear history, technical information and repairs as well as discussions with other collectors. Create unique tones with your existing spring reverb. It is recommended that the driver be a current or voltage source with an output rising 6 dboctave with increasing frequency.

This is the fender sounding tank used to replace tanks in the ubiquitous classic valco amps like the glenwood, the newport, or other national, valco, surpo, or gretsch amps made when baldwin owned valco between 1960 and 1969, and from a few late 1950s gretsch amps. The accutronics tank was working, but it wasnt producing as much reverb as it should have been and had begun to feed back if i set the reverb at 7 or higher. The driver stage also requires a voltage amplifier to drive the reverb tank driver, meaning you would need at least a single 12ax7 section to. Its an interesting idea but it seems like a lot of work. Replacing a reverb tank reverb tanks usually fail for one of a couple of reasons. I have a music man 112rd 65 amp which i dearly love and has been my main amplifier since it was new. The princetons reverb is tube driven and the hrds reverb is. Set multimeter to 200 ohm scale and take a reading across the green and white wire. The tank for that amp is the 4fb2a1c with an input impedance of 1475ohms and output of 2250ohms. Accutronics 4db2a1d reverb tank 17 long original incl. Vintage 1973 accutronics reverb tank i think this came out of a carlsbro combo but i have a lot of amps spare parts so not 100% sure the code is 4fb2a1c. Reverb tank 8ab2a1b mesa boogie style 3spring allparts uk.

Accutronics products and specifications antique electronic supply. Please, follow these basic instructions to place your order. Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4ab3c1b. The f type tank was used in ampeg and magnatone amps, and employs as im sure you know 12 a 12au7 or octal equivalent loaded with 4k7 as a reverb driver. Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Most spring reverbs are made from accutronics or are copies of this old standby. A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this. I bought this item to replace a 4ab3c1b accutronics reverb tank in my fender twin amp protube series. A transformerless constantcurrent reverb driver introduction. I have a made in usa accutronics pan in my hot rod deville and it sounds so much better than the reverb in my princeton.

Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4fb2a1c. Tube amp reverb tanks, reverb bags, accutronics reverb tanks, 2 spring tanks, 3 spring tanks, 4ab3c1b, 9ab3c1b. There are a number of different types of reverb tanks available. But that is not the only way to drive a reverb tank using a vacuum tube, and in fact it is not the best way. Revisit reverb tanks bringing back the sound of vintage accutronics tanks. Reverb tanks are fascinating electromechanical devices used to simulate the sound of natural reverberation using metal springs, a small speakerlike transducer at the input, and another small pickup at the output side. They contain two coils with very fine wire and this can break over time. Customer evaluation for accutronics reverb can 4fb2a1c write an evaluation please verify your testimonial by clicking on the link sent to your email after submitting your text. Dana carl, just wanted to thank you for the awesome reverb tank. This mod tank sounds far better than the accutronics tank i replaced. Replace, repair and restoregenuine fender parts repair your rig with topquality potentiometers used especially for fender amplifiers, including this direct replacement reverb units used for amplifiers with spring reverb. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Although the original tank still worked and tested within spec, it was noisy and weak even with new cables, tubes, full recap, etc. Please enter these characters in the following text field.

It is recommended that the driver be a current or voltage source with an output rising 6. In this part 2 of the tube reverb video series, we will expand our understanding of reverb tank transducers, learn how to decipher tank id codes, and study the third portion of the reverb circuit. For vintage blackface and silverface twin reverb, pro reverb, super reverb, vibrolux reverb, etc. Accutronics products and specifications ce distribution. With the tank driver, you can take any balanced line level signal or prerecorded track and play it through. Accutronics reverb reverb cans effects parts for amplifiers. If the available options do not match the required grounding of your device, we can modify the reverb accordingly upcharge eur 12, incl. Spring reverb tanks explained and compared amplified parts. In that case, please add the rvmod option and tell us the desired grounding a, b, c or d using the commentary field when placing the order. Reverb tank 4bb3c1b current fender 4bb3c1b mojotone reverb tank is used in the original fender blues deville 4x10 and marshall jcm2000 model amplifiers. So, in summary, for tube circuits, usually if you see a transformer coupled reverb driver, the tank input will be 8 a cap coupled reverb driver will connect to a high z tank input. Reverb tank ohm readings disconnect rca cables from reverb tank.

It is easiest to perform these tests with the reverb tank removed from the amp. Reverb tank part numbers consist of a seven digit code, i. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. Kalamazoo amplifiers which used a driver transformer for the reverb input side. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. Parts free delivery possible on eligible purchases. In fact im just completing an amp that employs a 12dw7 as a reverb driver and recovery stage, using the 12au7. Vintage hammond accutronics 4fb2a1c reverb tank 1973. The attached file is all the info you will likely need to be able to chose a tank. If more reverb than your current tank can provide is what you are after then i suggest simply installing an inline fx loop on the return side of the tank and inserting a compressor pedal. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer.