Type 4 reverb tank driver

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. 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. I purchased this accutronics 4ab3c1c reverb tank from amplifiedparts for a surfy bear fet reverb kit build. The accutronics type 4 reverb pan the driver circuit takes the signal from the guitar amplifiers preamplifier and sends it to the reverb tank. The thick rubber ring helps with isolating the tank from the surface that it is mounted to or resting upon. 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. The sound of the type 4 springs is produced by four counter wound and coupled springs. Accutronics products and specifications antique electronic.

Inside the tank, a small transducer converts the electrical energy into mechanical energy that vibrates the tanks. Worth the few extra bucks,accutronics is the classic longspring reverb sound. It is recommended that the driver be a current or voltage source with an output rising 6. The ideal mounting plane for reverb tanks is one that allows the weight of the transmission springs to keep the. 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. Build your own spring reverb tape op magazine longform. Monoprice 15w mod reverb tank install squiertalk forum. It is no longer strong in terms of current nor big in terms of voltage.

I have used this type of reverb in one of my builds. The footswitch turns the reverb on and off by grounding the input to the reverb recovery circuit. 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. Unraveling the mysteries of amp reverb uncategorized. This type was the original style selected by leo fender. Reverb tank accutronics, 4ab3c1b, long decay, 2spring.

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. 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. Excellent quality and perfect sound,4 second decay time accurate and slight treble increase as expected from longspring tanks. The following table applies to the type 4 tank the 425mm long, 4spring version as. V3a senses the reverb return signal and amplifies it with a gain of about 37. This prevents instability in v3a if the reverb recovery cable is disconnected from the reverb pan. After replacing the stock tubes wjjs, my next victim was the cheesy reverb tank. The figure 5 circuit is capable of driving an 8 ohm coil to several times the. How to build your own spring reverb unit all things. Everything i know about spring reverb an mk2 version of music thing modulars spring reverb module went on sale this weekend. 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. Reverb driver on deluxe reverb type models distortion.

These are some notes about what the module does, how it. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Radial chain drive 500 series distribution amplifier module. 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. This mod does not work with other amps like the blues. The reverberation effect is created when an audio signal created by a transducer is sent through one. 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 ordered a mod 8eb3c1b 3 spring short tank to replace the stock unit thanks to michael 7 for the lead. Here, im actually just going to insert the reverb on this track and then use the wetdry mix on the reverb plugin in order to create the balance between the two parts. Rest assured that fender did not cut corners on the reverb tank. 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. Care and feeding of spring reverb tanks elliott sound products. These are some notes about what the module does, how it was designed. The reverb circuits on this page arent guitar stomp boxes.

Both of those circuits would provide more drive current to the reverb tank. Replacement reverb tank for princeton reissue the gear page. I mounted it vertically in a 19 toolbox using four quarter inch machine bolts. The type 4 is 17 long and uses 2 long springs, each of which consists of two springs joined in the middle.

The fender reverb unit 6g15 was a vacuum tube, spring reverbequipped effects unit made by fender. 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. 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. Kalamazoo amplifiers which used a driver transformer for the reverb input side. I put it right before the amplifier if using it as a reverb unit for guitar. A solid state reverb driver can be designed to drive anything from a type a tank to a type g tank. 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. Think of it like a reamp device for the reverb tank in your amplifier, allowing you to send. 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.

Approximate dc resistance of transducer coils can be used as a reference for input and output impedance if the original reverb. Radials amazing tankdriver 500 series module lets you add authentic spring reverb to your tracks. 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. Guitar reverbs require a reverb tank driver on the input of the tank. Bassman 5, twin reverb, showman reverb, quad reverb, vibrosonic reverb. The industry standard for years, the type 4 is still manufactured today using hammonds original design. More information on reverb tanks is also available at rod elliots site. Radial tank driver 500 series spring reverb interface module. Here, im going to use the spring reverb air spring reverb a different plugin, it has a different sound. Thus, accutronics considers this model a 4spring unit. I kind of remember that yamaha g50 having a little ic power amp driving an 8 ohm tank and i am certain that ive seen other amps doing that. You would also need another 12ax7 section on the output to amplify the reverb tank output to something actually useable. In fact, the stock short tank sounds better than this long spring tank, and it is the correct tank for the amp. Is reverb tank resistance relevant in a solid state amp.

Discrete device drivers have been known to take a type. R provides a ground reference or bias for the input of v3a. The input transducer of a reverb tank is a coil of wire wound around an iron core. Then you can turn down the signal in the wet channel going. 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. Suggested reverb tank for a dean markley k50, i saw someone used a mod, 8eb2c1a but. The lushest spring reverb i have ever used is the one built in to my garnet rebel reverb head. Just like in the case of the driver above, the details of the circuit can reveal the z out characteristics of the reverb tank. 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. Table of contents 2 the reverberation effect electromechanical reverberation devices. Nov 12, 2017 everything i know about spring reverb an mk2 version of music thing modulars spring reverb module went on sale this weekend. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. Pretty sure it would be a type 4, but no idea on the impedances.

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. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. Replacement for the gibbs type f reverb tanks used in the 60s and early 70s, including the sunn solarus and sentura i. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. By the time the signal gets to the end of the reverb tank, it is transformed. 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. 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. Accutronics reverb tank, 4eb3c1b newoldsounds reverb. A signal is driven into the drivers attached to one end of each spring, labeled input, which acts like a speaker.

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. Everything i know about spring reverb music thing modular. Radial tank driver 500 series creates real spring reverb tones. Spring reverb tanks explained and compared amplified parts. Four counterwound and coupled springs deliver superior mechanical performance and the classic sound that helped make the fender twin reverb amp famous. There are a number of different types of reverb tanks available. Replacement for the gibbs type f reverb tanks used in the 60s and early 70s. Mount these rubber grommets to the base of reverb tanks to help alleviate feedback and other vibration issues. 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.

This tank doesnt sound as good as the original stock 2spring short tank that came in my amp head. 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. 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. In my opinion, unless the reverb tank in your amp doesnt work at all, i would not recommend this tank. A hammond type 1750a replacement for fenders type 125a20b driver transformer.

Current production accutronics reverb tank made by belton. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. Transistor recovery on early magnatone amps 19611964, the reverb tank s output is connected to a potentiometer, like in the 480 schematic below. The industry standard for years, the type 4 is still manufactured today using hammonds. 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. Monoprice 15w mod reverb tank install discussion in amparidifiers started by surf green, dec 31, 2016. Excellent quality and perfect sound, 4 second decay time accurate and slight treble increase as expected from longspring tanks. The type 4 reverb spring is manufactured using hammonds design. Radial engineering tank driver spring reverb interface. Unraveling the mysteries of amp reverb sign in to follow this. Discrete device drivers have been known to take a type f tank. The only difference is the input impedance is made to match the solid state reverb driver.

The fourspring type 4 and sixspring type 9 are intended for larger cabinets. 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. Please use caution when referencing these wiring diagrams. In reality, we can have a power driver or a current driver, because with a power driver current is amplified as well. Radial tank driver 500 series radial engineering amber tech. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. If you cant afford that, and who can with the state of the uk economy where municipal.

Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. A transformerless constantcurrent reverb driver introduction. Reverb tank bag fender, for 17 reverb tanks original fender reverb tank bag for 17 tanks. These tanks have an input impedance of around 1500 ohms and are usually used with solid state drivers. It was discontinued in 1966 and was replaced by a solidstate model, the fr. A modern reverb tank consists of drivers, transmission springs, pickups, and a shock mounting system. Three transistor accutronics reverb driver project youtube. The output of the reverb tank is sent to the reverb recovery amp, it is also a 2n3906 class a low noise stage. Cables 2 connectors 1 digital 6 grommets 1 reverb tank bags 6 reverb tanks 69 reverb tanks. Dwell, mixer and tone and includes a 12at7 tube as a preamplifier. This tank driver is an amplifier with a high impedance front end.

Spice simulation of fender twin reverb reverb driver and reverb tank. 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. 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. All this information is available from the accutronics website and can also be seen below. The reverb tank should be isolated from vibrating surfaces as much as possible. This tank is a type 4, and has drive coil impedance of 1,475 ohms 1.