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Bryston 12B
Bryston-12B-1
 
Bryston 12BBryston-12B-1
Bryston 12BBryston-12B-2
Bryston 12BBryston-12B-3

STATUS - SOLD
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Description :
The Bryston 12B was Bryston's flagship preamplifier in the late 80s and early 90s before the Bryston BP-20 came on the scene. It is a basic signal preamplifier with switching facilities for all the sources likely to be used by even the most elaborate domestic sound system, including dubbing capability for two tape recorders. It provides the convenience of recording from any source while simultaneously listening to any other through the speakers. The preamplifier is supplied with an internal moving-coil step-up transformer, increasing the voltage gain by 22.5dB and adjusts the input impedance to suit the vast majority of moving-coil cartridges. It accepts MC cartridges by switching the MC transformer out via a switch on the front panel. It has the Low Filter switch for blocking signals below 31.7 Hz from turntables. It has a tape monitor function for two tape recorders, a quarter inch front headphone jack wired directly to the preamp output circuit, line level (variable) outputs (two), three 120VAC accessory outlets, and a DC power supply output.

Sonically, the Bryston 12B preamplifier is forward-sounding, lively and also remarkably quick sounding. It plays with aplomb and brings out the life and energy in the music. It has well controlled bass and free from hangover. The bass also comes with a sense of air movement, and is also felt with a sense of added body. The Bryston 12B preamplifier is one of the most reliable equipment to allow listeners to enjoy a generation of sound, music, and incredible performance.

Specifications :
Switchable RCA Inputs.....................MC Phono, MM Phono Tuner, Aux, CD, Tape 1, Tape 2
Frequency Response.......................20Hz to 20kHz +/- 5dB
Maximum Output.............................15V
Total Harmonic Distortion..................0.005%
Rated Noise Phono..........................-80dBA referred to an input of 500mV @ 1kHz
Moving-coil Transformer Distortion.....<0.005% 20-20kHz with preamplifier driven to full rated output
Thermal Noise.................................>85dB below 0.6 mV input, unweighted
MC Noise........................................Approximately 1000 ohm metal film resistor
MC Gain.........................................16.5 or 22.5 dB (internally restrappable)
MC Frequency Response.................Below 5Hz to above 30kHz, within less than +/- 0.5dB
Dimensions(w x d x h)......................48.5 x 27 x 5 cm
Weight............................................4kg

Miscellaneous :
Made In...........................................Canada
Condition.........................................8/10

Product Information :
http://bryston.com/PDF/Manuals/11B_12B_MANUAL.pdf (Manual)
http://www.worthpoint.com/worthopedia/bryston-12b-preamplifier-preamp-139301116 (Specifications)

Reviews :
http://www.audiocircle.com/index.php?topic=88755.0

 

 
 
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