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Technical Information:

*2 Line level inputs (optional additional inputs and loop inputs)

*1 Pre-amp output, (optional additional outputs)

*Tube complement: 2-6922

*Power requirement: 120Vac 50/60Hz 38Watts - available in 100, 220, 240 Vac

Dimensions:  -preamp chassis: 5.375" (width) x 3.375" (height) x 8.25" (depth); +1.125" front for knobs and 0.5" back for RCA jacks.

                    -power supply chassis: 5.375" (width) x 3.375" (height) x 8.25" (depth)

Weight (without packaging):  preamp: 5 lbs.  power supply: 8lbs.

 

"Truly great audio components encourage you to keep listening to one album after another, and with the SBT and SBM in my system, I didn't want to leave my listening chair. I can pay no higher compliment than that."        John Acton PF-Online Issue 34

 

Measurements:

* Residual noise reference to full rated output: >-105dB or <65uV non weighted

* Residual noise reference to full rated output: >-118dB or <20uV within audio band

* Hum below 400Hz: >-140dB or <1.5uV

* Tracking error tube stage: < +/-0.1dB

* Tracking error volume control: <+/-0.05dB

* Channel separation: >105dB

* Frequency response at 5V output: 10Hz to 40K +0.00db, -0.1dB; -1db at 100kHz

* Distortion at 1V output: <0.05 %

* Voltage gain: 23.5 dB

* Maximum output: 18 Vrms

* volume control range: -95dB to 0db in 62 steps standard in Shallco attenuators

* input impedance: 100Kohms

* output impedance: 180ohms

SBT Tube Linestage Preamp
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Contact:  bcircle@bluecircle.com  /  519-469-3215