Do you have a turntable, but no phono input on your receiver or shelf system? No problem — just hook up the BT26 preamplifer in-line between your record player and any of your receiver's aux inputs, and you're ready to enjoy your LP collection all over again!

The versatile BT26 also works as a microphone preamplifier. This is a great feature if you want to make home recordings but your CD recorder or tape deck has no microphone inputs. And if you've also got a mixer, you can use it with the BT26 to perform karaoke through your main A/V system! The BT26 accepts one or two mono microphones or a single stereo mic.

Product Highlights:

  • one phono input (accepts input from any turntable with a magnetic cartridge)
  • two 1/4" microphone inputs (one mono, one mono/stereo)
  • 1 set of RCA audio outputs
  • AC adapter
  • 5-3/8"W x 1-5/8"H x 4-1/4"D
  • warranty: 60 days
  • Our 60-day money-back guarantee

B-Tech BT26 Reviews

Average Customer Review:

4 reviews
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B-Tech BT26

Written By Ron, Rock Hill, SC on Tuesday, February 06, 2007

Crutchfield Customer Review (What's this?)

I am using the pre-amp with my Optonica turnable and my iPod Nano since my receiver does not have a phono input. The results are excellent, and no volume adjustment is necessary on the receiver when switching to CD or radio input.

Good Product for Price

Written By Michael, Arlington, TX on Monday, January 30, 2006

Crutchfield Customer Review (What's this?)

Unit functions at is supposed to however I feel that it could use a little more amp gain. I am using for the phono input and I find that I have to really crank up the volume on my system to get a decent volume from the LP Player. Sure is startling if I forget to turn down the volume before switching to another input source ;)

Loved it!

Written By Louis, Columbia, MD on Sunday, November 27, 2005

Crutchfield Customer Review (What's this?)

The unit did exactly what I needed it to do. That was to allow me to hook up my turntable to my computer, and input the audio from my vinyls, which were not available on CD. Once in, I converted them to wavs with my Polderbits Recorder, and made CDs. Perfect.

Almost...but not quite

Written By Richard, Oceanside, CA on Sunday, November 20, 2005

Crutchfield Customer Review (What's this?)

While this unit has all the connections I am looking for, the output is too low to be usefull as a microphone amp. My intension is to input two electret condenser microphone outputs into the line in of my computer. My computer is looking for a max of about 2.5V and the output of this device is rated at less than a volt. I ended up having to record to a cassette deck that had adjustable input levels and then record from that into my computer. This makes it a second generation recording with the expected loss of fidelity. Maybe it will work better as a Phono preamp.

Hands-on research

What's in the box?

Download owner's manual

  • Phone/Microphone Pre-Amplifier
  • AC adapter with attached 79" DC output cord (DC output: 12 Volts/100mA)
  • Technical Specifications (on back of packaging)

Product Research


Overview: The B-Tech BT26 is a low-noise, high-gain pre-amplifier designed specifically for use with turntables with magnetic cartridges, or with microphones. The pre-amplifier has a slide switch on the front panel that lets you select the microphone or turntable input.

Turntable Usage: The BT26 pre-amplifier allows you to connect a turntable to a receiver or amplifier that does not have a phono input. It raises the output of the turntable to a level of 150mV RMS, allowing it to be connected to an Auxiliary or Line Input.

Microphone Usage: The unit has two 1/4" (6.3mm) jacks, which allow you to connect one or two mono microphones, or one stereo microphone with one or two plugs.

Inputs and Outputs:

  • Front Panel Inputs:
    • Microphone Input: 2 Female 1/4" Phone Jacks (one labeled "Mono", one labeled "Stereo")
    • Phono Input: Gold-plated female stereo RCA jacks
  • Rear Panel Outputs:
    • Audio Output: Gold-plated female stereo RCA jacks
    • 12V DC Input: 1.3mm DC socket


  Microphone Mode Phono Mode
Input Impedance 50K ohm @ 1kHz
Input Level  0.5mV 3mV
Gain 50dB 34dB
Signal to Noise Ratio >48dB >55dB
Frequency Response 70Hz-20kHz
(+1dB to -3dB)
Equalization N/A 30Hz-20kHz
(RIAA +1dB to -3dB)
Output Level 150mV RMS
Load Impedance >10K ohms
Overload Margin 23dB
Crosstalk 55dB
Supply Voltage 12-15V DC
1.2mm DC socket

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.