Product Description
Trouble-free, noise-free, and double the power of traditional 300B amps. Made possible by patented circuit design. We’re proud to continue a legacy of quality, American manufacturing with innovative new features. The 91E ships with new production 300Bs, the most popular electron tubes in the world. Made in the USA.
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The Western Electric Type 91E is a Class A, single-ended (SE), integrated amplifier for high-fidelity audio reproduction.
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The 91E was made for the Western Electric 300B to provide end users the highest possible performance and quality.
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Available in three (3) colors
Nickel, Champagne, Black
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In the box
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91E Integrated Amplifier
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Remote control
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Pin-Straightener (9-pin)
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2x 300B Electron Tubes (Power)
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2x ECC81 Electron Tubes (Pre-amplifier, pre-installed)
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8 Ω Output Transformer Block (pre-installed)
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Power Cord
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Spanner tool (for removal and/or replacement of 300B’s)
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BT antenna
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End User Guide
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Steered Current Source Technology (SCS)
Experience double the traditional output power with advanced, single-ended (SE) circuit design. This new level of performance is reached by using a fully linear, steered current source (US Patent 10256776) controlled exclusively by the tube’s output voltage. The excess of common large output transformers and associated hysteresis is eliminated, and as a result, lush detail in the midrange and masterfully articulated upper and lower frequencies are revealed. -
Stepped Logarithmic Attenuator
A stepped logarithmic attenuator is used to mimic the response of human hearing. The attenuator consists of only discrete resistors in a ladder configuration that are switched in and out of circuit to produce a logarithmic attenuation of the output signal. -
Interchangeable Transformer Block
The standard 8-ohm transformer block can be interchanged with the optional 4-ohm or 16-ohm version. This feature is unique to the 91E Integrated Amplifier and allows users to match speaker impedance for improved fidelity. Single impedance transformers maintain lower winding capacitance normally vitiated with multiple tap transformers. -
LCD Display
A bright and easy to read color display shows the selected input, attenuator level, and VU meter. The display also shows settings which can be adjusted by the included remote control. The display is dimmable. -
Remote Control
The included infrared remote control allows for quick adjustment of amplifier settings such as input levels, balance, and display dimming. -
Six Audio Inputs
Up to six (6) source devices can be connected during amplifier operation. -
Auto-Bias
Microprocessors automatically bias the 300B tube pair each time the amplifier is powered on. No manual adjustment is necessary. -
Optional 1202A Phono Termination Plugs
Turntables often require an additional capacitive or resistive load in order to achieve correct frequency response. Typically, MM turntables require a more capacitive load and MC turntables require a more resistive load. Western Electric has a variety of values available to match your setup. A basic knowledge of your amplifier, turntable, and any other component affecting the audio signal chain is essential when selecting the correct plug pair. Sold in pairs, this original Western Electric component is for turntable users who wish to optimize playback performance where Moving Coil (MC) or Moving Magnet (MM) phono cartridge pickups are used. -
BT Compatibility
BT compatible audio input is available for wireless convenience. -
Software & Firmware Updates via Ethernet Connection and USB
