The powerful, innovative and versatile Bassman 100T 100W tube bass amp head is perfect for the stage and the studio alike. The Bassman 100T is a professional-level 100-watt tube head with enormous Fen... Click To Read More About This Product
The powerful, innovative and versatile Bassman 100T 100W tube bass amp head is perfect for the stage and the studio alike. The Bassman 100T is a professional-level 100-watt tube head with enormous Fender bass sound and sparkling vintage Fender looks. Its dual-channel design uses modern technology to maximize classic technology, with classic Fender late-'60s/early-'70s "blackface" styling and a wealth of innovative features on the front and rear panels.
The Bassman 100T's features include a tube preamp (two 12AX7s) and power amp (one 12AT7 and four 6L6s) with a vintage channel that delivers the full, warm sound of a classic Fender passive tone stack and overdrive channel that delivers the aggressive and responsive sound of a modern active tone stack. Your tubes will never lose power at a show again with the rear-panel Fender Automatic Bias system that constantly monitors and re-biases tubes for perfect performance and alerts you when service is required is a must have for every gigging musician. The XLR output that delivers overdriven power amp tone which is great for recording. A rear-panel output power switch lets you play or record at full 100-watt power, quieter 25-watt power, or silently via internal power soak which captures the signal post-power amp. With an impedance switch (8, 4 or 2 ohms) and master volume with push/pull mute you get to control everything on the 100T down to the "T".
Tube preamp with two 12AX7s
Tube power amp with one 12AT7 and four 6L6s
Vintage channel with passive tone
Overdrive channel with active tone
Rear-panel Fender Automatic Bias system that monitors and re-biases tubes and alerts when service is required
XLR output that delivers overdriven power amp tone
Rear-panel Output Power switch allows playing/recording at full 100-watt power, 25-watt power or silently via internal power soak
Impedance switch (8, 4 or 2 ohms) and master volume with push/pull mute
10.63"D x 24.5"W x 10"H
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Reviewed by 2 customers
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Comments about Fender Bassman Pro 100T 100W Tube Bass Amp Head:
The Fender Bassman 100T is a great amp. In short: great and versatile tone, good tube power, tube ?hassles? reduced, relative light weight, and vintage looks. The passive tone stack only reduces a freq. band, but can sound ?vintage? round and nice. The active tone stack allows for boosting and attenuating frequency bands, which suits more modern styles, including clean or adding some crunch. Most tube amps have one or the other preamp stage, limiting your tonal possibilities, which is great is you like that specific tone. But the Fender 100T has both so it is quite versatile. The output volume of each stack can be set individually, so if a boost is needed, you can switch by foot to the active channel to boost. Since it is all tubes, and offers 100 tube watts, it is plenty loud for small to medium gigs, especially when paired with a 410 cab that can move some decent air. With the 25/100 W switch it is pretty versatile as it lets you reduce output power while driving the power amp the same, and not change the character of the tone. A full power amp without attenuating circuit (say 300W) will sound different at varying volumes, the 100T sounds consistently well with a range of volumes. The amp does however create some RF noise, which may being picked up by passive bass pickups, especially when close by. When moving 3 ft away, the RF is much less and is is not a problem, certainly not in a gig situation. This being my first amp with power tubes, I did read up on the need have a technician bias tubes of power amps to make sure they operate within specification. But, the 100T has an automatic biasing circuit! Very nifty, no more tube anxiety! The led?s will tell you what the bias status is and when a tube is no longer good. Then, when the need arises to replace a tube, there is no requirement for matched quads as long as you have the amp bias itself. This feature will save you money on technicians and the added cost for matched tube quads. Meanwhile, you can drive speakers at 8/4/2 ohms (you need to select it) so there is quite a bit of choice on what speakers and combinations can be used. There are two ?? jack output jacks, but no speakon connector. I do not see that as a problem, unless maybe daisy chaining multiple cabs with a 2 ohm total impedance, but I do not plan on doing that. Both input channels seem to be well balanced volume wise and the passive channel has a nice vintage sound to it. I did not try anything but the stock 6l6GC power tubes, but the sound is quite natural and round, and does not have the harshness of some mosfet amps. Since tubes naturally compress there is also no need for an external compressor to prevent clipping. I understand that the amp is built in Mexico but it seems to be built with Fender quality. Tube sockets on the metal base take the load when inserting new tubes and should give years of trouble free operation. At 48.5 lbs the Fender 100T can easily be moved by one person, an advantage over heavier tube amps for sure! I am very pleased with the amp so far.
Comments about Fender Bassman Pro 100T 100W Tube Bass Amp Head:
Within 48 hours, the amp failed. The jewel light went out, the cooling fan does not power up. No sound, but the tubes have power. All fuses are good. I was a little surprised that Fender's supposed "Pro Series" amp is manufactured in Mexico. This is not mentioned in any of the sales literature, but is stamp prominently on the box when you receive it. But before it failed, here are my impressions. The passive tone stack on the vintage channel does not really sound any better than my old Bassman 70 head. The "active" channel is really confusing - not technically, but tonally because it doesn't add any value other than drive - which is, if you're like me, something I rarely use and can get out of a $40.00 pedal. I look forwarding to returning this amp and getting my hard earned money back.
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