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Description
RCF 9 In - 3 Out Preamplifier6 x Balanced XLR Inputs with Mix Line 3 x Stereo Inputs on RCA Connectors Selectable Phantom Power Signal Presence LED for Each Input Priority Function on Input One VOX Circuit The PR 4093 9 Inputs, 3 Outputs Preamplifier from RCF is a flexible solution for paging and music applications in a PA system. It offers six balanced inputs mic line with selectable phantom powerthe first of the inputs is priority triggered by a VOX circuitthree stereo inputs
- 6 x Balanced XLR Inputs with Mix/Line
- 3 x Stereo Inputs on RCA Connectors
- Selectable Phantom Power
- Signal Presence LED for Each Input
- Priority Function on Input One
- VOX Circuit
The PR 4093 9 Inputs, 3 Outputs Preamplifier from RCF is a flexible solution for paging and music applications in a PA system. It offers six balanced inputs mic/line with selectable phantom power�the first of the inputs is priority triggered by a VOX circuit�three stereo inputs on RCA connectors are also available. The outputs offer different functionalities and include tone controls on the front panel to adjust your settings. The PR 4093 provides dedicated mixing for inputs one through six that deliver connections to recording devices on RCA sockets, mono, balanced 1/4" TRS sockets, and line out stereo sockets to two balanced XLR male connectors.
- 6 x balanced XLR inputs with mic/line sensibility and selectable phantom power
- 3 x stereo inputs on RCA connectors
- Signal presence LED for each input
- Priority function on input 1, activatable through VOX circuit
- 1 x XLR stereo output with 3-band EQ on front panel
- 1 x mono output on 1/4" jack connector
- 1 x mic output on 1/4" jack connector
- Connection to recording device on RCA connectors
- LED output level indicator
- 120/230 VAC functioning and 24 VDC emergency power supply
- Suitable for rack installation (1 RU, 19")
In the Box
RCF PR 4093 9 Inputs, 3 Outputs Preamplifier
| Mono Input (Channels 1 to 6 Balanced) | |
|---|---|
| Frequency Response | 20 Hz to 22 kHz (±2 dB) |
| Total Harmonic Distortion (THD) + N | ? 0.03% at 1 kHz |
| Sensitivity | -40 dBu (mic, XLR) / 0 dBu (line, 1/4" / 6.3 mm TRS jack) |
| Maximum Input Level | -19 dBu (mic, XLR) / +21 dBu (line, 1/4" / 6.3 mm TRS jack) |
| Input Impedance | 2 kOhms (XLR) / 19.5 kOhms (1/4" / 6.3 mm TRS jack) |
| Voltage Gain | Maximum: (Mic, XLR): 60 dB to line out (balanced) 50 dB to record out (unbalanced) 60 dB to mic out (balanced) 55 dB to mono out (balanced) Maximum (Line, TRS jack): 20 dB to line out (balanced) 10 dB to record out (unbalanced) 20 dB to mic out (balanced) 15 dB to mono out (balanced) |
| Phantom Power | Voltage: 18 to 21 V |
| Stereo Inputs (Channels 7/8, 9/10, 11/12) | |
|---|---|
| Frequency Response | 20 Hz to 22 kHz (±2 dB) |
| Total Harmonic Distortion (THD) + N | ? 0.03% at 1 kHz |
| Sensitivity | +10 dBu |
| Maximum Input Level | +21 dBu |
| Input Impedance | 19.5 kOhms |
| Maximum Voltage Gain | Line: 10 dB to line out (balanced) 0 dB to record out (unbalanced) 0 dB to mono out (balanced) |
| Outputs | Line Out Level: 0 dBu (±2 dBu, balanced), max. +21 dBu Mic Out / Mono Out Level: 0 dBu (±2 dBu, balanced), max. +21 dBu Line Out Impedance: 250 Ohms (balanced) Mic Out / Mono Out Impedance: 250 Ohms (balanced) |
| Equalizer | Low: ±15 dB at 80 Hz Mid: ±12 dB at 2.5 kHz High: ±15 dB at 8 kHz |
| Crosstalk | Adjacent Stereo Inputs: < -68 dB Input to Output: < -76 dB at 1 kHz (ch. level at max., flat EQ Line Out level and others at min., Mic Out switch set to off) |
| Operating Voltage | 110 to 120 or 220 to 240 VAC (50/60 Hz), 24 VDC |
| Rack Units | 1 RU 19" |
| Dimensions (W x H x D) | 19.0 x 1.7 x 7.7" / 48.3 x 4.4 x 19.5 cm |
| Weight | 6.4 lb / 2.9 kg |
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4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 3
Pages falling out of binding.
Format: Paperback
I love the book. It’s been fun. My issue is the pages are falling out. I received the book today and every other page comes right out of the binding. I am worried I am going to lose pages.
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Reviewed in the United States on June 2, 2026
★★★★★ 4
Great mystery concept, poor paper quality
Format: Paperback
Love the concept and the book but the quality of the paper and cover just really disappoints me. Because you have to flip back and forth you’re going to be handling this a lot. I had the book at the pool and the edge got wet and the cover just delaminated and came apart.
I have really enjoyed the complexity of this mystery and cannot wait to find out who the killer is!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Perfect for Mystery Lovers and Overthinkers
Format: Paperback, Format: Paperback
I picked this up thinking it would be a quick little puzzle book and ended up way more invested than I expected. The entire concept is basically solving a murder mystery through elimination clues, and it honestly feels like a mix between Clue, logic puzzles, and a detective game you can do by yourself.
Each page gives you clues about who the killer is NOT, so you slowly narrow down the suspects by crossing out names based on things like syllables, vowels, letters in their name, etc. Some clues are super straightforward and others make you stop and really think. It’s surprisingly addicting once you get into it.
What I like most is that it actually keeps your brain busy for a long time. This is not one of those puzzle books you finish in an hour and forget about. I’ve been working through it slowly because there are SO many pages and clues. It’s honestly kind of funny how serious I got trying to figure it out.
The layout is easy to follow, the concept is original, and it’s a great option if you like mystery games, logic puzzles, escape rooms, or anything detective-related. I could also see this being really fun to bring on a trip or keep around for downtime instead of scrolling on your phone.
Definitely worth it if you enjoy interactive mystery books and want something different from the usual word searches or crossword puzzles.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Better Than the Movie
Format: Hardcover, Format: Hardcover
I picked up Remarkably Bright Creatures after hearing so much buzz about it, and it absolutely lived up to the hype. This is one of those rare books that is heartfelt, funny, emotional, and completely unique all at the same time. The characters feel real and layered, and the story unfolds in such a thoughtful, satisfying way.
Marcellus the octopus completely steals the show. I didn’t expect to become so attached to an octopus, but his chapters were easily my favorite part of the book. They added humor, wisdom, and so much heart to the story.
If you’ve already seen the movie adaptation but haven’t read the book yet, you absolutely should. The book goes so much deeper emotionally and gives so much more background and connection between the characters. I enjoyed the movie, but the book made me care about the story on a completely different level.
The writing is approachable and easy to get into, but it still leaves a lasting impact. This would make a great book club pick or gift for anyone who enjoys character-driven stories with warmth and emotional depth.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great story and characters
Format: Kindle
I had to see what all the hype was about and after seeing the trailer on Netflix I knew I had to read the book before I watched the movie. I have to say, this was one of the better books I've read so far this year. It's not a fast paced read but it held my interest the entire time. The characters are very well developed and I really grew to like Tova and Cameron, of course Marcellus is the star of the show and is as witty as they come. If you're looking for a good read I highly recommend this one. The octopus is a difficult creature to care for so I sincerely hope the "octopus tank craze" doesn't start over this like the "clownfish tank craze" did when Finding Nemo came out. Leave it to the expert level saltwater hobbyist to care for them or better yet, leave them in the ocean. I have to mention too that this is the author's debut novel and for a debut novel it's very impressive, I'll look for others from her in the future.
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Reviewed in the United States on May 25, 2026