Manley Labs 300B owner manual C D E F G H I J, Rear Panel

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REAR PANEL

A B C D E F G H I J

A - MAINS FUSE - Replace with 2A SLO-BLO fuse only.

B - IEC MAINS SOCKET - Standard IEC mains socket (120/240 VAC as indicated)

C - LINE OUTPUTS - Main left and right outputs driven by 300B's. Connect these to your power amplifier inputs when the amps are off. These 2 pairs of outputs are electrically identical and a bi-amp set-up is one application.

D - RECORD OUTPUT - Set at input line stage level. These normally are connected to a tape recorders inputs. The signal is "picked off" the input selector and before the volume control. It is a good idea to disconnect any wires connected to these jacks when not recording to prevent losses of extra loading and cable capacitance from affecting best performance possible.

E - VIDEO INPUT - Audio actually, from a VCR or Laser Disc player's audio outputs.

F - TUNER INPUT - Connect your tuner outputs here. Another good input for #1 VCR.

G - TAPE INPUT - Tape machine outputs can be connected here. Be very careful - If the tape machine inputs are connected to the preamplifier TAPE OUTPUT's and the preamp is switched to TAPE and the tape machine is set to monitor "INPUT" or you start to record - The dreaded squeel and howl of feedback. One quick "cure" is not to select "TAPE" on the rotary input selector if these other conditions are met. No "tape loop" switch.

H - CD - Plug in your audio outputs from your CD player or "D to A Converter" here.

I - AUX - Plux your Aux in here -What is an Aux?. It stands for Auxilliary and basically means "extra", so this is just an extra input for any other source that we didn't label or you have two of. Any of the input jacks can be used with any hi-fi RCA outputs and they are electrically identical and only differ in how we labelled them.

J - GROUND TERMINAL - This is a "Chassis Ground" Terminal for gear that has those single wires with a spade lug that is meant to be "tied to ground". Helps to reduce hum.

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Contents Manley Contents Introduction Thank YOUMains Connections Brown LiveConnecting Your Preamplifier AB C DEF TOP View C D E F G H I J Rear PanelSwitching on Operational NotesSpecifications SLO-BLOWarranty Warrantyregistration
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300B specifications

Manley Labs 300B is a high-fidelity tube amplifier that has gained a reputation among audiophiles for its exceptional sound quality and craftsmanship. This amplifier is named after its use of the 300B vacuum tube, a component famous for producing a warm, rich sound that is both detailed and engaging. The Manley Labs 300B amplifier has become a reference point for those who appreciate the artistic qualities of sound reproduction.

One of the key features of the Manley Labs 300B is its fully balanced design, which helps to minimize noise and distortion. This design approach allows for greater dynamic range and clarity in the audio signal. The use of premium components throughout the circuit further enhances performance, ensuring that every note is rendered accurately and with depth.

In terms of power, the Manley Labs 300B delivers 8 watts per channel in a class A operation, which is a hallmark of high-end audio equipment. While this may seem modest by modern standards, the quality of sound produced is often more important than sheer wattage. The 300B’s output stage offers a creamy and dynamic sound, excelling particularly with vocal and instrumental music, where it conveys subtle details with remarkable fidelity.

Another significant aspect of this amplifier is its flexibility in terms of speaker compatibility. It is designed to drive a variety of speakers, making it a versatile choice for different listening environments. The Manley 300B supports both 4 and 8-ohm output impedance settings, allowing users to match it to their favorite loudspeakers for optimal performance.

Additionally, the amplifier's construction is noteworthy. It features a robust chassis that not only reduces resonance but also adds to the overall durability of the unit. The hand-built nature of the Manley Labs 300B ensures that each piece is crafted with meticulous attention to detail and quality.

The Manley Labs 300B also comes equipped with a rich array of features, including an input selector, volume control, and high-quality binding posts for speaker connections. These components are not just functional; they also reflect Manley’s commitment to providing a user-friendly and high-performance experience.

In summary, the Manley Labs 300B is a sophisticated and beautifully crafted tube amplifier that offers a level of sonic performance that is hard to match. Its combination of high-quality components, thoughtful design, and powerful performance make it a standout choice for audiophiles seeking a true musical experience. Whether used in a dedicated listening room or as part of a larger audio setup, the Manley Labs 300B delivers a sound that is both engaging and lifelike.