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Phono Preamps
conrad-johnson TEA2
Premium Phono Preamplifier

Price: $3,500.00 / Each


  Options - Customize it
  Select Gain - High Gain for use with cartridges with less than 1mV output.
Low Gain for use with cartirdges with more than 1mV output.
 
  Warranty and considerations:
Warranty Terms (Parts and Labor) 3 years

conrad johnson TEA2 Phono Preamplifier

The TEA-2 triode equalization amplifier is a vacuum-tube phono stage offering an extraordinary degree of musical accuracy at a moderate price. The audio circuit of the TEA-2 is comprised of two cascaded single-ended triode amplifiers. The circuit is a zero-feedback design, to eliminate the temporal inaccuracies that negative feedback introduces. RIAA equalization is established by a passive network between the two gain stages. This network has been carefully designed and has been implemented with precision (1% tolerance) parts to precisely track the prescribed RIAA equalization curve assuring absolute tonal accuracy. Careful implementation of this fundamentally simple circuit results in extremely wide bandwidth, and low distortion, without resorting to negative feedback. A high-current MOSFET buffer stage follows the second gain stage to achieve a low output impedance (less than 200 Ohms).

In the TEA-2, discrete regulated power supplies, carefully designed for minimum impedance, even at the highest audio frequencies, isolate the amplifier stages from the ac line and from each other to guarantee that power supply irregularities do not degrade the audio performance.
         
   The TEA-2 is available in high-gain (55 dB) and low gain (40 dB) versions to match a wide range of modern phono cartridges. The high gain version is recommended for use with cartridges with a rated output of 1.0 mV or below. The low gain version is best suited to higher output cartridges. Both versions offer switch selectable resistive loading allowing the user to fine-tune performance to the chosen phono cartridge. The performance of any audio component is only as good as its component parts. The audio circuits and the related regulated power supplies of the TEA-2 use polypropylene and polystyrene capacitors and precision metal film and metal foil resistors exclusively. All parts in the TEA-2's RIAA compensation network are 1% tolerance, to assure precise tracking of the RIAA curve. Input and output connectors and even hook-up wiring have been carefully selected for audio performance. Thoughtful engineering, specification of quality component parts, and painstaking care in production make the TEA-2 a phono equalization preamplifier of remarkable musicality.    

    Specifications

    Gain:
    Low Gain - 40 dB
    High Gain - 55 dB
    Overload:
    Low Gain - 175 mV
    High Gain - 50 mV
    Hum and Noise:
    Direct Inputs - 80 dB below 10 mV input
    Phase:
    phase correct
    Ouput Impedance:
    below 200 ohms
    Dimensions:
    13.625"D x 19"W x 3.625"H
    Net Weight:
    14 lb

 All conrad-johnson products are carefully hand assembled and each is thoroughly tested to assure conformity to cj's exacting performance standards. cj's confidence in these components is reflected in our three year limited warranty covering labor and parts. Service is a top priority at conrad-johnson. In the event that a product does require service, it will be handled promptly and efficiently.


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Spearit Sound
351 Pleasant Street
Northampton, MA 01060
United States
Ph: 413-584-9547
Fax: 413-585-5139
e-mail: jtozzi@spearitsound.com
 

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