Hammond organ company invented the spring tank reverb effect in 1960. Original vintage 1967 ampeg gemini ii amp cabinet w reverb very good condition. Ampeg gemini 22 model gv22 40watt 2x12 guitar combo. Ampeg micro vr 200watt bass amp half stack with svt 210av 2x10 cabinet. Id gig with the 2 but its a beast to move the 1 is more manageable. Used in the fender yale reverb and harvard reverb ii amps which use the short tank. This fantastic effect was lightweight and inexpensive, making it very adaptable to both organs and guitar amplifiers. Stringed instrument documentsupright electronic bass bb4bb5 promotional and retail. However, i have a preference for the gemini i and especially the gemini ii over the reverberocket for most uses.
Ne1 know what brand reverb tank came w ampeg gemini i the. Ive got a 67 gemini ii last year for the blue tolex and while it never gets the same high end sparkle my drri has, it does sound much fuller and deeper. Ive played much bigger amps who hasnt and ive played better amps who hasnt. The gemini ii is approx 30 watts with a 15 speaker. Troubleshooting musical instrument amplifiers this document appeared in the 1969 policy manual for ampeg authorized service centers. Revisit reverb tank, 17 long, 3 spring, equivalent to accutronics 9ab2c1b.
Ampeg gemini ii guitar amp part 2 modifying channel 2 youtube. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. Theyre all excellent amps but the gemini is a killer amp imho. Ampeg mad a number of this style amp, all with open backs and either a 12 or 15 with vibrato or reverb. Sale does not include the cabinet or any other accessory. Got it from a tech who installed a grounded three prong power cord, quick disconnect lugs for easy speaker connecting. Reverb tank main organ rectifier preamp main post amp phase inverter main power amp reverb rectifier reverb power amp reverb driver reverb recovery brushes and cymbals reverb organ level p304 p306. Mar 10, 2017 there are some great ampeg amps to keep an eye out for, no doubt. Like its smaller sibling, the gemini ii is a two channel amp with separate bass and treble controls and. That being said, ive blown the speaker in most every old ampeg ive ever. Ampeg b12x 1960s fliptop portaflex guitar bass combo with reverb extension cabinet. The older amps like this often need a little circuit work, perhaps new caps and resistors for those that have shorted or strayed far from spec, and occasionally a replacement for that impressively long spring pan, too, but gotten up and running right, with a fresh couple of 6sn7s to boot, this ampeg reverb can sound lush and thick, without. The gemini i delivered 30 watts of tube power compared to the 22 watts of the gemini i.
Hard to say if it was a replacement, but again almost every gemini ii ive seen in this age range has these speakers if it. We have the ampeg 1966 gemini ii tube guitar combo amp in stock in our vintage collection. Shop now and receve free shipping on your order today. While ampeg is primarily known for bass guitar amps, they also have a nice line of vintage guitar amps as well, which includes the gemini. Ne1 know what brand reverb tank came w ampeg gemini i discussion in ampscabs tech corner. Vintage ampeg 1966 gemini ii tube guitar combo amp. Studio sound electronics parts for ampeg and crate amplifiers. But the gemini 1 is a marvelous and a very serious instrument that completely dominates in its own musical niche. Ggjaguars guitarium and ampeteria 1966 ampeg gemini ii.
Absolutely, i cant imagine a pair of preamp triodes is going to be similar in tone when driving a tank as a singleended 6k6 or probably 6v6 these days power amp into gapped iron and then driving the tank. Use the lo gain triode for the driver and the hi gain triode for the recovery. Ampeg v4 100watt guitar amp head with reverb 1970s. With almost 10 more watts of output and a 15 inch speaker it represented a more powerful alternative to the gemini i. Reverb tank type c, most vintage ampegs product details. It doesnt really start breaking up til about 3oclock on the volume knob, and up til then, its a really linear volume increase. Rocket, reverberocket, jet, gemini, b12xt, ac12, v series. Tube set for ampeg g12 gemini i, g15 gemini ii product. Id love to have some old ampeg amp models from cliff.
Accutronics doesnt make a tank that matches the other criteria and has grounded jacks. Why did they not use a transformer to couple the driver tube to the echo tank. G12 gemini g15 gemini ii gs15r gemini iv gv22 gemini 22 j series j12a jet j12b jet j12d jet m series m12 6v6 mercury m12a 7591 mercury m15 mercury. Reverbs are hardmounted to the underside of a shelf just above the speaker, no bag, so apparently its a common problem. Service tips 1976 contains service tips for b100g100, sr6, v4vt22 with distortion, and 120w solid state power modules. That is, the gemini i and the gs12 reverberocket are similar. My pointing out of the ampeg circuit was more of a dont abandon hope if you dont have the right tank thing.
Tube set for ampeg g12 gemini i, g15 gemini ii product details. The amp featured 22 watts of power and was originally intended as an amplifier for accordion players. They are not bass amps open back being a big reason. Do you have a reverb unit for a ampeg g12 gemini 1 amp. Classic vintage ampeg g12 gemini 1 guitar amplifier. Ive been using my 69 reverbojet for awhile for my quiet sunday night guitar duo gig. Theres big iron on this chassis and it weighs in at 28 lbs. Catch but a glimpse of an ampeg combo like this 1966 gemini ii g15 and youre thinking jazz club. While the 15inch speaker worked well for bass and guitar, this amp was.
I also just got an ampeg gemini i and just got the reverb up and running. Its basically a smaller version of the gemini ii with a 12 inch speaker. Ampeg g12, gemini i, tube guitar accordion amp, spring reverb, tremolo, equalizer, vintage unit, for repair. The first one had a 7199 phase inverter driver tube and. Ampeg heaven amp schematics schematic amplifier echotwin.
I purchased it for use during a summer trip where space and weight would be an issue. Reverb tank mod, 4fb3a1a, long decay, 2spring amplified. By serial number for 1966 which is between 20,000 and 40,000 my amp is in the 35k range. Cosmetically all original and unrestored, as shown in photos. The gseries amps were generally more deluxe with more features, while the rseries were a bit stripped out.
This example is in good overall condition, but was having reverb. Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4ab3a1a. Ampeg g12, gemini i, tube guitar amp, spring reverb, tremolo. The only cap driven circuits ive ever had were ampeg gemini ii and magnatone 10a. How to repair ampeg reverb tube guitar amp no output dlab. The replacement is an accutronics 4fb2d1b but, as has. Ive been using my 69 reverb ojet for awhile for my quiet sunday night guitar duo gig. Ive got a 67 gemini ii last year for the blue tolex and while it never gets the same high end sparkle my drri. See explanation of accutronics reverb tank numbering system here. I had a gemini 1 before i had the 2 similar amps but i think the 2 has 6l6s and my 1 has 7951 power tubes, i could be wrong. Perhaps it was just a rough period of time for ampeg, and other years were much smoother. The ampeg gemini i, model g12 guitar amp features some seldom used tubes. Channel 1 also gets the famously lush ampeg reverb labeled echo, as well as an optocell tremolo that acts directly on the circuit between the second gain stage and the tone controls.
Jun 16, 2009 absolutely, i cant imagine a pair of preamp triodes is going to be similar in tone when driving a tank as a singleended 6k6 or probably 6v6 these days power amp into gapped iron and then driving the tank. The reverb and trem are great, the cleans are heavenly, takes pedals extremely well, and at 22 or so watts with the 12 jensen hangs at rehearsal. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. The 12 heavymagnet ampeg vintage driver follows through on that genuine vintage feel with big volume thats forever true to the signal. I bought the ampeg gemini 1 from gc in austin tx in june of 2009. Since the major problem with a reverb tank in a head is it picking up noise from the transformers i would mount it on the bottom and offset from the transformers as far as possible. The reverb may have been hard connected and the tremolo may be left. Rocket series reverb rocket 2 reverb rocket 3 reverb rocket 12r reverb rocket 12rb reverb rocket 12rt rocket no reverb 12a super reverb 15r sb series sb12p portaflex sb12.
Ampeg pf115he portaflex series 1x15 450w bass cabinet. The ampeg has one of the drippiest builtin reverbs ive ever heard and has a really nice tone, while the 57 deluxe copy doesnt even have an onboard tank. Ne1 know what brand reverb tank came w ampeg gemini i. Gemini amps are all on the large side and exist in a few variations. I rewired the socket in my gemini ii to use a 6an8 also oop since the.
Ampeg gemini i model g12 22watt 1x12 guitar combo reverb. Ampeg g15 gemini ii 1x15 1965 black price guide reverb. There was an ampeg reverbrocket on e bay i really wanted. Compatible amps include most vintage ampeg amps with capacitance driven reverbs such as the rocket, reverberocket tubedriven, jet, gemini, ac12.
Type c for most vintage ampegs with capacitance driven reverb. Ampeg has been producing guitar amps continuously since the 1940s. Ampeg gemini ii model g15 30watt 1x15 guitar combo. Oct 19, 2006 so ive had this amp for a few months now and i took it in to get serviced about two weeks ago. However, my other amp is a loud, clean machine, the silverface dual showman reverb and i have a fender 63 reproduction tank, so im not worried about being left high and dry with the 57. Ampeg reverberocket 2 vs deluxe reverb in depth telecaster. There are some great ampeg amps to keep an eye out for, no doubt. Common replacement for certain versions of the ampeg gemini amps. The quality of the reverb and tremelo alone makes these amp one of the best investments i can think of at going prices. I havent got the amp back yet, but i talked to the tech and he said that there really isnt anything wrong with it and he doesnt really know what to do as he doesnt know exactly how the amp is. Short tank, long decay, input impedance 190 ohms, output 2575 ohms, insulated input and grounded output. In part 2 we will troubleshoot and fix the tremolo circuit by devising a new. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Ampeg g12, gemini i, tube guitar amp, spring reverb.
The ampeg gemini 22 gv22 is overall an awesome sounding guitar amp. Jets are smaller and rockets are in a similar category. This ensures that our tank will work in your amp with no modifications. Reverb power amp reverb driver reverb recovery brushes and. All ampeg gemini and rocket series amps from the late 1950s to the mid1970s are good for jazz, imo. This is the standard tank used in fender amps which as also use reverb driver transformer with an. In addition, the gemini i featured an alltube design and onboard reverb and tremolo.
Id stick with a transformer driven reverb circuit just because im more familiar with those. Discussion in other amps started by rmlevasseur, jun 27, 20. I havent got the amp back yet, but i talked to the tech and he said that there really isnt anything wrong with it and he doesnt really know what to do as he doesnt know exactly how the amp is supposed to sound. Ive used this amp for recording a clean sound with a fender telecaster, and without any effects or anything like that. But also it always makes me cringe when i see people rolling amps down the sidewalk so im actually not a fan of them. The replacement is an accutronics 4fb2d1b but, as has been pointed out, you have to ground the input and ouput jacks yourself. Like its smaller sibling, the gemini ii is a two channel amp with separate bass and treble controls and the added ultra high and repeat percussion effects. Its a great time to upgrade your home music studio gear with the largest selection at. Les pauls introduction to the ampeg book includes his story of an auto accident in the late 40s he was in where his ampeg guitaramp was, iirc, ejected from the vehicle.
The mod reverb tanks are high quality upgrade units. That is how i mounted my tank when i converted my jaz combo to a. Mar 10, 2017 apparently it had one owner before me, and he told the store he was consigning it at that it was all original. Many of these amps sound killer cranked with a guitar. The fender reverb unit is the key as stated, vintage as is or a new one with the tubes changed and the c10 i think cap change. Rocket, reverberocket, jet,gemini, b12xt, ac12, v series. Ive played it with a fairly loud band and its stayed clean. It contains a 7591 pp main amp as well as a complete 6gw8 pp reverb amp. Common replacement for certain versions of the ampeg gemini and also found in some. Get a low price and free shipping on thousands of items.
Fwiw, ive read about people saying that you should play an ampeg gemini ii to find one that was alive. The original amp came with a two button footswitch. While the 15inch speaker worked well for bass and guitar, this amp was actually originally targeted towards accordion players. Complete tube set for your ampeg gemini i g12 and gemini ii g15 includes. The gemini i was a 1x12 guitar combo produced by ampeg in the early 1960s. Ampeg gemini ii model g15 30watt 1x15 guitar combo reverb. The g15 gemini ii was the 15inch version of the popular 12inch g12 gemini i. Ampeg reverberocket 2 vs deluxe reverb in depth discussion in amp central station started by shoegrass, may 7, 2017. Crate amps is no longer in business as of march 2018. Then bought some rubber washers, and longer screws. Get the guaranteed best price on tube combo guitar amplifiers like the ampeg r12r reverberocket amp at musicians friend. Reflowed some solder joints and and replaced some tubes. Your gemini ii has an excellent reverb giving you concert hall presence and.