1. Signal Processors For Sale
  2. sku: 8091675039975161
  3. BUTLER RT-4001

BUTLER RT-4001 Box Preamp Pro Tube Audio

Rt-4001 .. Butler Pro Box Real Tube Works Audio Direct Preamp

( Brand: Butler ), ( Part Type: Box Preamp Tube )

Review BUTLER Works Butler. Box Preamp Pro Tube Real Direct Audio

The Butler Box Preamp Pro RT-4001 is an exceptional tube preamp that promises to elevate your audio experience to new heights. This versatile device is meticulously crafted with an emphasis on quality and performance, making it a standout choice for both professional and home audio enthusiasts.

At its core, the Preamp Pro RT-4001 houses four 12AX7 vacuum tubes, each carefully selected for their superior sound quality. These tubes work in tandem to deliver a warm, rich, and nuanced sound that is unparalleled in its clarity and depth. The preamp features a fully balanced, dual-mono design, ensuring that both left and right channels receive identical treatment, thereby minimizing any potential phase cancellations and maintaining the integrity of the original audio signal.

The Preamp Pro RT-4001 boasts an array of input and output options, catering to a wide range of audio sources. Its front panel features an XLR balanced input, a 1/4" unbalanced input, and a 1/4" headphone output, ensuring flexibility in connecting various audio devices. The rear panel offers RCA and XLR outputs, allowing for seamless integration with your audio system.

The preamp's control panel is ergonomically designed for ease of use, with a master volume knob, a gain control knob, and a high-pass filter switch. The high-pass filter allows you to cut out any low-frequency rumble or noise, ensuring a clean and clear sound. The preamp also provides a 12V DC power output, enabling you to power an external device, such as a phono stage or a headphone amplifier.

Built with premium materials and meticulous craftsmanship, the Preamp Pro RT-4001 is a testament to the Butler Box's commitment to producing high-quality audio equipment. The preamp's sturdy aluminum chassis is both heat-sink and vibration-damping, ensuring optimal performance and longevity. The preamp's knobs and switches are solidly built, providing a satisfying tactile feedback.

In conclusion, the Butler Box Preamp Pro RT-4001 is more than just a preamp; it's a sonic journey that invites you to explore the true potential of your audio system. Its tube-driven design, versatile connectivity options, and high-quality construction make it an excellent investment for anyone seeking a truly immersive and authentic audio experience.

Pros of Buying Butler Box Preamp Pro Tube RT-4001:

1. Tube Technology: The Butler Box Preamp Pro Tube RT-4001 uses tube technology, which is known for providing a warm, natural sound that can enhance the overall listening experience.

2. Versatility: This preamp can be used with a variety of sources, including turntables, CD players, and even digital sources, making it a versatile addition to any audiophile's setup.

3. High-Quality Components: The Butler Box Preamp Pro Tube RT-4001 uses high-quality components, including premium tubes, to deliver a high-fidelity sound.

4. Customizable: The preamp allows for adjustments to various parameters, such as gain, bass, and treble, allowing users to fine-tune their sound to their preferences.

Cons of Buying Butler Box Preamp Pro Tube RT-4001:

1. Price: The Butler Box Preamp Pro Tube RT-4001 is on the higher end of the price range for preamps, which may be a barrier for some potential buyers.

2. Maintenance: Tube-based equipment requires regular maintenance to ensure that the tubes are functioning properly and to replace them when they need to be replaced.

3. Size: The preamp is larger than some other preamps on the market, which may make it difficult to fit into smaller spaces.

Conclusion:

The Butler Box Preamp Pro Tube RT-4001 is a high-quality preamp that can enhance the sound of any audio system. Its tube technology, versatility, and customizability make it a great choice for audiophiles who are looking for a premium sound. However, its high price, maintenance requirements, and size may make it a less attractive option for some potential buyers.

Recommendation:

If you are an audiophile and are looking for a premium preamp to enhance your audio system, the Butler Box Preamp Pro Tube RT-4001 is a great option to consider. Its high-quality sound and customizable features make it a worthwhile investment for those who are serious about their audio. However, if price or space are concerns, there may be other preamp options that better fit your needs.

Details:

Great for any recording or live situation, bass guitar, keys, acoustic guitar, sound amazing with this box, I am selling because I own four of the rack versions. Early version made by bk Butler himself. This box is all original, and in great shape, includes power supply.

part #: rt-4001 prices

  • $505.36-$610.29

Offer:

  • Started: January 30, 2015, 8:33 am
  • # Sold: 0
  • best offer: false
  • quantity: 1
  • # bids: 0

Payments:

  • PayPal

Ratings:

  1. Great,Thank-you!!! 01-28-15
  2. sent prompt as described AAA 01-30-15
  3. Quick response and fast payment. Perfect! THANKS!! 01-27-15
  4. As Described. Good Seller. 01-27-15
  5. Thank You for your business. 01-26-15

Shipping:

  • handling: 1 days
  • type: Flat
  • cost: $6.9

General:

  • condition: Used
  • Musical Instruments & Gear > Pro Audio Equipment > Signal Processors/Rack Effects
  • in stock: Yes

Seller:

  • city: Scarsdale, New York
  • zipcode: 10583

Returns:

  • paid by: Buyer
  • policy: returns accepted
  • type: Money Back
  • time: 14 Days
part type: box preamp tube,
category: musical instruments > pro audio equipment > signal processors/rack effects, sku: 8091675039975161,
Review#1 Great,Thank-you!!! ()
Review#2 sent prompt as described AAA ()
Review#3 Quick response and fast payment. Perfect! THANKS!! ()
Review#4 As Described. Good Seller. ()
Review#5 Thank You for your business. ()
Butler RT-4001 Is Similar To:
  • (40.9% similar) Bk Butler tube works real overdrive 5-KNOB distortion pedal: up for bid is a pedal with 5 knobs. Could win the item. The face is cosmetically good with a couple of chips in finish and it sounds fabulous, exactly ways supposed. I tried several different tubes both new and vintage from among my supply...(February 19th, 2017)
  • (28.3% similar) Solid unit with a few scratches, mostly used in a rack mount configuration. Comes with a b box for switching from clean to bypass or when in dirty, from normal to boost. Real tube tube works overdrive rack effect. The 12AX7A tube has been replaced. Excellent unit. Free shipping in the continental us...(January 8th, 2015)
  • (37.9% similar) Real tube ii overdrive rack effect. Unit is in good working condition with only minor cosmetic blemishes...(January 11th, 2015)
  • (40% similar) I've taken great care of my gear and hope you do the same. I've owned this for a few years and never had any problems. Works great. I'm finally selling my home studio since family commitments have me too busy to spend any time in. I've owned hundreds of pieces gear in my life and what I have left is...(November 21st, 2018)
  • (37.6% similar) Tube works mos valve driven circuit patented stereo TUBE12 spring reverberate 921 concept design it appeared to have never been opened before, and there were absolutely no tell tale burn marks or odor indicating malfunction. I opened it up to take pictures, and also to look for any obvious problems...(February 27th, 2016)
  • (39.2% similar) That's just the way they did it. You can get Marshall or fender just not crazy liquid gain. With the low- voltage this operates that may not ever have to happen. Inside, THE12AX7 tube is hot glued into its socket. Should you ever need to replace the tube hot glue easily peels off. Racks got bounced...(November 10th, 2024)
  • (33.3% similar) Accessories included: this item comes as seen in photos, and does not include any accessories. Function: rack mount overdrive. Otherwise, everything is fully functional and in very good condition. Pet odors, cigarette and other smoke items can also affect the newness of your gear. Hes a good guy and...(March 17th, 2025)
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5 offers $505.36–$610.29 USD
  • Gebraucht. Offer #1 priced at $552.19 + $40.69 shipping estimate = $592.88* total. +$40.69 shipping
  • Used. Offer #2 priced at $505.36 + $200.00 shipping estimate = $705.36* total. +$200.00 shipping
  • Used. Offer #3 priced at $610.29 + $0.00 shipping estimate = $610.29* total. FREE SHIPPING
  • Used. Offer #4 priced at $541.47 + $168.00 shipping estimate = $709.47* total. +$168.00 shipping
  • Used. Offer #5 priced at $4961.11 + $0.00 shipping estimate = $4961.11* total. FREE SHIPPING

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