Type 4 reverb tank driver

Current production accutronics reverb tank made by belton. Radial tank driver 500 series creates real spring reverb tones. The accutronics type 4 reverb pan the driver circuit takes the signal from the guitar amplifiers preamplifier and sends it to the reverb tank. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Radials amazing tankdriver 500 series module lets you add authentic spring reverb to your tracks. The following table applies to the type 4 tank the 425mm long, 4spring version as. According to its data sheet, an accutronics 4ab3c1b longdecay, 2spring reverb tank, which is a suitable replacement for a 1963 twin reverb ab763, has these specifications. I purchased this accutronics 4ab3c1c reverb tank from amplifiedparts for a surfy bear fet reverb kit build.

Think of it like a reamp device for the reverb tank in your amplifier, allowing you to send. Cables 2 connectors 1 digital 6 grommets 1 reverb tank bags 6 reverb tanks 69 reverb tanks. Type 9 is a tank with 6 springs arranged in 3 delay lines, and is a richer sound than the standard fender type 4 tank with 4 stings in 2 delay lines. Built the stage center as a stand alone unit with the spring reverb tank inside it was a pedal that is about 35 cm long by 15 cm high and wide. Yes, an affordable interface designed specifically to drive spring reverbs of all types and deliver the long trailing shimmering effect that is only possible with a true spring. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. The type 4 is 17 long and uses 2 long springs, each of which consists of two springs joined in the middle. The reverberation effect is created when an audio signal created by a transducer is sent through one. V3a senses the reverb return signal and amplifies it with a gain of about 37. Mojo transformers have undergone various changes over the years and these wiring diagrams are meant to aid in the purchasing process and represent current production only. Thus, accutronics considers this model a 4spring unit. The input transducer of a reverb tank is a coil of wire wound around an iron core. Once you dig into this realm a bit, youll discover many affordable spring reverb tanks of various sizes and types, and you will want to take several for a spin. I put it right before the amplifier if using it as a reverb unit for guitar.

The industry standard for years, the type 4 is still manufactured today using hammonds. Radial engineering tank driver spring reverb interface. The ideal mounting plane for reverb tanks is one that allows the weight of the transmission springs to keep the. Inside the tank, a small transducer converts the electrical energy into mechanical energy that vibrates the tanks. Everything i know about spring reverb music thing modular. Approximate dc resistance of transducer coils can be used as a reference for input and output impedance if the original reverb. Using a pair of 14 to rca cables, just plug the tankdriver into your combo amps reverb tank or any outboard reverb tank and put it to work on your recordings. It is recommended that the driver be a current or voltage source with an output rising 6.

Radial tank driver 500 series spring reverb interface module. Monoprice 15w mod reverb tank install discussion in amparidifiers started by surf green, dec 31, 2016. More information on reverb tanks is also available at rod elliots site. Replacement reverb tank for princeton reissue the gear page. The 2 in that accutronicsstyle part number indicates a medium decay tank, rather than the 3 used in the usual fender type tank which is long decay. Discrete device drivers have been known to take a type. Replacement for the gibbs type f reverb tanks used in the 60s and early 70s. A solid state reverb driver can be designed to drive anything from a type a tank to a type g tank. Avoid mounting the outer channel of the reverb tank directly to the mounting surface by using grommets, rubber standoffs, reverb tank bag and liner or other products designed for mechanical isolation. This tank driver is an amplifier with a high impedance front end. Mount these rubber grommets to the base of reverb tanks to help alleviate feedback and other vibration issues. Replacement for the gibbs type f reverb tanks used in the 60s and early 70s, including the sunn solarus and sentura i.

I ordered a mod 8eb3c1b 3 spring short tank to replace the stock unit thanks to michael 7 for the lead. These are some notes about what the module does, how it was designed. The 2 in that accutronicsstyle part number indicates a medium decay tank, rather than the 3 used in the usual fender type tank which is. I have used this type of reverb in one of my builds. Using a pair of 1 4 to rca cables, just plug the tankdriver into your combo amps reverb tank or any outboard reverb tank and put it to work on your recordings. This mod does not work with other amps like the blues. Guitar reverbs require a reverb tank driver on the input of the tank. The industry standard for years, the type 4 is still manufactured today using hammonds original design. Build your own spring reverb tape op magazine longform. Next, ill just be dialing in the reverb time in the mix.

This tank doesnt sound as good as the original stock 2spring short tank that came in my amp head. In fact, the stock short tank sounds better than this long spring tank, and it is the correct tank for the amp. This prevents instability in v3a if the reverb recovery cable is disconnected from the reverb pan. Replaced mod tank that was selfoscillating due to the second spring vibrating continuously. The reverb tank historical use in musical instruments spring reverb construction and operation 3 the significance of multiple transmission springs. Is reverb tank resistance relevant in a solid state amp. Then you can turn down the signal in the wet channel going. Fmic has put the classic accutronics 2 spring with the long delay in the hot rod deluxedevillethis is the same type of reverb tank that fender has always used in their best amps. Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Dwell, mixer and tone and includes a 12at7 tube as a preamplifier. In my opinion, unless the reverb tank in your amp doesnt work at all, i would not recommend this tank. Reverb driver on deluxe reverb type models distortion. Unraveling the mysteries of amp reverb uncategorized. So the reverb drivers z out can be equal to or greater than the tanks z in on the recovery side, its a bit different.

After replacing the stock tubes wjjs, my next victim was the cheesy reverb tank. This tank is a type 4, and has drive coil impedance of 1,475 ohms 1. A hammond type 1750a replacement for fenders type 125a20b driver transformer. The footswitch turns the reverb on and off by grounding the input to the reverb recovery circuit. Care and feeding of spring reverb tanks elliott sound products.

How to build your own spring reverb unit all things. Pretty sure it would be a type 4, but no idea on the impedances. The radial tank driver is a wonderfully unique 500 series module that allows you to drive a balanced line level signal through the reverb tank in your fender twin amp. R provides a ground reference or bias for the input of v3a. You would also need another 12ax7 section on the output to amplify the reverb tank output to something actually useable. Bassman 5, twin reverb, showman reverb, quad reverb, vibrosonic reverb. Spring reverb tanks explained and compared amplified parts. Suggested reverb tank for a dean markley k50, i saw someone used a mod, 8eb2c1a but. Jul 09, 2016 vintage high impedance spring reverb tank driven by a modified old school transistor drive and recovery circuit design with added output buffer amp, tonebody control, feedback switch, pre and. A reverb tank requires a driver a small power amp to drive the springs, and a preamplifier stage afterwards to make up the substantial gain losses in the springs and return a line level reverb signal. The only difference is the input impedance is made to match the solid state reverb driver.

The reverb tank should be isolated from vibrating surfaces as much as possible. Unraveling the mysteries of amp reverb sign in to follow this. The lushest spring reverb i have ever used is the one built in to my garnet rebel reverb head. These are some notes about what the module does, how it. Worth the few extra bucks,accutronics is the classic longspring reverb sound. These tanks have an input impedance of around 1500 ohms and are usually used with solid state drivers. Reverb tank bag fender, for 17 reverb tanks original fender reverb tank bag for 17 tanks. Unlike the common nylon bobbin wound reverb drivers available on the market today, this is a reasonably priced, vintage constructed, paper layer wound reverb driver. Radial chain drive 500 series distribution amplifier module. 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. Table of contents 2 the reverberation effect electromechanical reverberation devices. The output of the reverb tank is sent to the reverb recovery amp, it is also a 2n3906 class a low noise stage.

The fourspring type 4 and sixspring type 9 are intended for larger cabinets. Excellent quality and perfect sound, 4 second decay time accurate and slight treble increase as expected from longspring tanks. Excellent quality and perfect sound,4 second decay time accurate and slight treble increase as expected from longspring tanks. Both of those circuits would provide more drive current to the reverb tank. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. If you can find a reverb tank with a high impedance driver coil, the transformer may be eliminated, the driver coil will require isolation from ground. Transistor recovery on early magnatone amps 19611964, the reverb tank s output is connected to a potentiometer, like in the 480 schematic below. 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 drive the 12at7 tank driver. I mounted it vertically in a 19 toolbox using four quarter inch machine bolts. If you cant afford that, and who can with the state of the uk economy where municipal. Accutronics reverb tank, 4eb3c1b newoldsounds reverb. The type 4 reverb spring is manufactured using hammonds design. Monoprice 15w mod reverb tank install squiertalk forum. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b.

It is no longer strong in terms of current nor big in terms of voltage. The figure 5 circuit is capable of driving an 8 ohm coil to several times the. Kalamazoo amplifiers which used a driver transformer for the reverb input side. The thick rubber ring helps with isolating the tank from the surface that it is mounted to or resting upon. Spice simulation of fender twin reverb reverb driver and reverb tank. Figure 2 for situations where youre getting explosive crashes of reverb due to stage vibrations, placing the amp on an iso riser such as the auralex gramma can help considerably by decoupling the amp from the. A transformerless constantcurrent reverb driver introduction. 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.

Rest assured that fender did not cut corners on the reverb tank. Here, im going to use the spring reverb air spring reverb a different plugin, it has a different sound. Please use caution when referencing these wiring diagrams. The fender reverb unit 6g15 was a vacuum tube, spring reverbequipped effects unit made by fender. All this information is available from the accutronics website and can also be seen below. By the time the signal gets to the end of the reverb tank, it is transformed. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. A modern reverb tank consists of drivers, transmission springs, pickups, and a shock mounting system. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. Three transistor accutronics reverb driver project youtube. It was discontinued in 1966 and was replaced by a solidstate model, the fr.

From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. Radial tank driver 500 series radial engineering amber tech. I insulated the tank from the wall wall of the toolbox with a sheet of foam packing material. Apr 29, 2012 if your reverb needs additional isolation, you can try double bagging it by using a reverb tank liner inside the reverb tank bag.

Discrete device drivers have been known to take a type f tank. Just like in the case of the driver above, the details of the circuit can reveal the z out characteristics of the reverb tank. 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. Used in prosonic, showman 50, 94 twin, custom vibrolux reverb, custom vibrasonic, pro tube series, 63 vibroverb, 65 twin reverb, 65 deluxe reverb, 65 super reverb, 65 twin custom, vibroking, dual professional, supersonic series, 64 vibroverb, princeton and 65 princeton. Four counterwound and coupled springs deliver superior mechanical performance and the classic sound that helped make the fender twin reverb amp famous. This type was the original style selected by leo fender. Vintage high impedance springreverb tank driven by a modified old school transistor drive and recovery circuit design with added output buffer amp, tonebody control, feedback switch, pre and. The sound of the type 4 springs is produced by four counter wound and coupled springs. The reverb circuits on this page arent guitar stomp boxes. Like i wrote in your other old flame tube choice thread, the easiest way to implement a dwell control in a ab763 type amp is to just replace the 1m grid leak resistor at the reverb driver with a 1m pot. Typically in fenders used with a 12at7 tube with 2 sections run in parallel, but could be used with tubes such as 6bq7, 12au7, or 6sn7.