Bryston BP-3 MM Phono Stage - Silver (Requires PS3)
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A Dedicated Moving-Magnet Phono Stage from Bryston
The Bryston BP-3 MM is a phono preamp in its own compact case. It takes the tiny signal from your cartridge and raises it to line level for your preamp or integrated amplifier.
It applies 41dB of gain. Bryston sets that for moving-magnet cartridges and high-output moving-coil cartridges.
Class A Circuits and Precise RIAA Equalization
The gain comes from Class A discrete operational amplifiers. Bryston pairs them with what it calls ultra-precise RIAA equalization. Distortion stays below 0.005% from 20Hz to 20kHz, and noise sits below -80dB with a 5mV input.
Powered by a Separate Bryston Supply
The BP-3 MM has no power supply inside. It runs only from a Bryston PS-3 or MPS-2 power supply. Neither is included, so plan on one when you buy.
Small Enough to Sit Beside the Turntable
The case is 5.7 inches wide, 2.75 inches high and 8.25 inches deep, and weighs 3.6 pounds. It fits close to the turntable or preamp. A front-panel switch mutes it.
How It Fits Your System
The BP-3 MM sits between your turntable and any line-level RCA input. Connections are RCA in and RCA out. Capacitive loading can be set inside the unit to suit your cartridge.
Bryston specifies it for moving-magnet and high-output moving-coil cartridges only, so a low-output moving-coil cartridge is outside its range. It has no balanced XLR connections. It will not run without a Bryston PS-3 or MPS-2 supply.
Who Is This Phono Stage Best For?
- You play records with a moving-magnet cartridge — Bryston sets the 41dB of gain for exactly that job.
- You use a high-output moving-coil cartridge — Bryston rates the BP-3 MM for these too.
- Your amplifier has no phono input — the BP-3 MM brings your turntable up to any RCA line input.
- You want to keep the phono stage near the turntable — the compact case fits on a shelf beside it.
- It is not for low-output moving-coil cartridges — and it needs a separate PS-3 or MPS-2 supply to run.
How Does It Connect to Your System?
Connect a Bryston PS-3 or MPS-2 power supply to the BP-3 MM. Plug your turntable's RCA cables into the input. Then run RCA cables from the output to a line input on your preamp or integrated amplifier.
We carry the BP-3 MM with a silver or black faceplate.
Pairs Well With
Building a vinyl setup around the BP-3 MM? Here are some great companions:
- Power Supply: The BP-3 MM needs one to run — see the Bryston PS-3 DC Regulated Power Supply.
- Turntable: Give it a record to play — see our Turntables.
- Cartridge: Pick a moving-magnet or high-output moving-coil design — see our Phono Cartridges.
- Preamplifier: Something to take the line-level signal — see our Preamplifiers.
Frequently Asked Questions
Does it come with a power supply?
No. It runs only from a Bryston PS-3 or MPS-2 power supply, sold separately.
Which cartridges does it suit?
Moving-magnet cartridges and high-output moving-coil cartridges. It applies 41dB of gain.
Can I adjust the cartridge loading?
Bryston says capacitive loading can be configured inside the unit. Call our team at 800-942-0220 for help matching it to your cartridge.
What connections does it have?
One RCA input and one RCA output.
What warranty does it carry?
Bryston warrants its analog products for ten years from the date of purchase from an authorized dealer. The coverage is limited to the first buyer.
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Learn More
Want to learn more about phono preamps, turntables, or building a vinyl system? Visit our Learning Center for guides, tips, and expert advice.
- 41dB of gain for MM and high-output MC cartridges
- Class A discrete operational amplifiers
- Ultra-precise RIAA equalization
- Runs from an external Bryston PS-3 or MPS-2 supply
- Capacitive loading configurable inside the unit
- Front-panel mute switch
- Compact chassis fits near the turntable or preamp
- Gain: 41dB
- THD+N: <0.005% (20Hz–20kHz)
- Noise: <-80dB ref. 5mV input
- Input: RCA
- Output: RCA
- Power: Bryston PS-3 or MPS-2 power supply only (sold separately)
- Dimensions (W x H x D): 5.7 x 2.75 x 8.25 in
- Weight: 3.6 lb (1.6 kg)
- Faceplate: Silver
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