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Vacuum Tube Electronics by Tim de Paravicini

 

INTEGRATED AMPLIFIERS

 

 

E.A.R. 834

The Absolute Sound Golden Ear Award, 1999

Push-pull stereo integrated amplifier. 50 wpc into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Six line inputs and one tape output.

Reviews

Reviews

 

E.A.R. 8L6

Version of the 834 that can be used as an integrated amp or a power amp. No connection required between pre-out and amp-in jacks. 50 wpc into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Six line inputs and one tape output.

 

E.A.R. 899

Push-pull stereo integrated amplifier. 70 wpc into 4, 8, or 16 ohms. The 899 can be configured as an integrated amplifier or a power amplifier. Uses  KT90 output tubes.  Self-biasing. Six line inputs and one tape output.

E.A.R. 869

Single-ended amplifier that can be used as an integrated or power amp. No connection required between pre-out and amp-in jacks. 13 wpc into 4, 8, or 16 ohms. Uses EL519 output tubes. Self-biasing. Six line inputs and one tape output.

E.A.R. V 12

Push-pull stereo integrated amplifier operating in enhanced triode mode. 50 wpc into 4, 8, or 16 ohms. Uses EL84 output tubes (6 per channel). Self-biasing. Six line inputs and one tape output. Review link: http://www.earyoshino.com/HiFi_World_2011_June_EAR-Yoshino-v12.pdf.

Reviews

 

 

  

POWER AMPLIFIERS

 

 

E.A.R. 861

Push-pull power amplifier operating in pure Class A, enhanced triode mode. Zero overall negative feedback. 32 wpc stereo (bridgeable to 64 watts mono) into 4, 8, or 16 ohms. Uses EL519 output tubes. Self-biasing. Balanced and unbalanced operation.

Reviews

E.A.R. 534

Push-pull power amplifier. 50 wpc stereo (bridgeable to 100 watts mono) into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Balanced and unbalanced operation. Available with black or chrome faceplate.

 

E.A.R. 890

Push-pull power amplifier. 70 wpc stereo (bridgeable to 140 watts mono) into 4, 8, or 16 ohms. Uses KT90 output tubes. Self-biasing.Balanced and unbalanced operation.

Reviews

 

E.A.R. 509

Professional monoblock amplifiers. 100 wpc into 4, 8, or 16 ohms. Available with either RCA or true balanced inputs. No feedback used on the transformer secondary. Entirely stable into any load.

 

 

PREAMPLIFIERS

 

E.A.R. 912

A studio-grade preamplifier. Two phono inputs, both with switchable gain and input impedance.

Transformer-coupled line stage with both balanced and unbalanced outputs. Two balanced line inputs, plus three unbalanced and a tape loop. Selection via reed relays. Meters give useful visual correlation of levels and ensure that phono gain settings are optimal. Contains five PCC88 tubes

Reviews

Reviews

 

E.A.R. 868

The 868 is a fully balanced, transformer-coupled design, offering balanced and single-ended connections at input and output. It also offers a tape loop, remote control of volume, and several load/gain selections for the phono stage.

Please see the extraordinary Reviews on the 912, on which the 868 is modeled.

Reviews

Reviews

 

E.A.R. 834L

Line-level preamplifier. Five line inputs plus tape monitor circuit. Available in deluxe chrome or economical "black box" versions.

Reviews

 

E.A.R. 834P

Switchable moving magnet/moving coil phono preamplifier. Available in deluxe chrome or economical "black box" versions.

Reviews

 

E.A.R. 88PB

Switchable moving magnet/moving coil phono preamplifier. Volume control allows direct connection to power amplifier. A buffer stage follows the volume control, using an output transformer which provides balanced or single-ended output at low impedance to drive long cables. Two inputs, one with switchable gain and input impedance (internal). Mono/stereo switch.

 

OTHER COMPONENTS

 

 

E.A.R. MC4

Step-up transformer, designed to provide moving-coil capability to a preamp that has a phono stage with insufficient gain, or to upgrade an existing phono stage. Four inputs, with voltage gain at x10, x20, x30, and x40.

Reviews

Reviews

 

E.A.R. HP4

Headphone amplifier. Accommodates four pairs of headphones, two high impedance and two low impedance. Single-ended and balanced inputs and outputs. Controls include on/off switch for headphone outputs and mute switch for amplifier.

SOURCE COMPONENTS TUBE
ELECTRONICS
SOLID-STATE ELECTRONICS

LOUDSPEAKERS

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